{"id":194,"date":"2021-06-13T18:04:10","date_gmt":"2021-06-14T01:04:10","guid":{"rendered":"http:\/\/stage.web.wsu.edu\/path-team\/?page_id=194"},"modified":"2024-10-21T11:27:43","modified_gmt":"2024-10-21T18:27:43","slug":"tomato","status":"publish","type":"page","link":"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/tomato\/","title":{"rendered":"Tomato"},"content":{"rendered":"<div class=\"wsu-row  wsu-color-background--gray-5 wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wsu-cta \" >\n\t<a \t\t\t\t\thref=\"#General\"\t\n\t\tclass=\"wsu-button \">\n\t\t\t\n\t\tGeneral Tomato Disease and Pest Management\t\t\t<\/a>\n<\/div>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wsu-cta  wsu-cta--width-inline\" >\n\t<a \t\t\t\t\thref=\"#Diseases\"\t\n\t\tclass=\"wsu-button \">\n\t\t\t\n\t\tDiseases\t\t\t<\/a>\n<\/div>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wsu-cta  wsu-cta--width-inline\" >\n\t<a \t\t\t\t\thref=\"#InsMite\"\t\n\t\tclass=\"wsu-button \">\n\t\t\t\n\t\tInsect\/Mite Pests\t\t\t<\/a>\n<\/div>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wsu-cta  wsu-cta--width-inline\" >\n\t<a \t\t\t\t\thref=\"#Abiotic\"\t\n\t\tclass=\"wsu-button \">\n\t\t\t\n\t\tAbiotic Problems common to Tomato\t\t\t<\/a>\n<\/div>\n\n<\/div>\r\n\n<\/div>\n\n\n<h2 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-centered\" id=\"home\">Diseases<\/h2>\n\n\n<div class=\"wsu-row wsu-row--thirds\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#Alternaria\">Alternaria<\/a><\/li>\n\n\n\n<li><a href=\"#Bigbud\">Big bud<\/a><\/li>\n\n\n\n<li><a href=\"#Buckeyerot\">Buckeye rot<\/a><\/li>\n<\/ul>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#Lateblight\">Late blight<\/a><\/li>\n\n\n\n<li><a href=\"#Leafmold\">Leaf mold<\/a><\/li>\n\n\n\n<li><a href=\"#Curlytop\">Curly top<\/a><\/li>\n<\/ul>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#Pythiumrot\">Pythium rot<\/a><\/li>\n\n\n\n<li><a href=\"#Verticilliumwilt\">Verticillium wilt<\/a><\/li>\n\n\n\n<li><a href=\"#Whitemold\">White mold<\/a><\/li>\n<\/ul>\n\n<\/div>\r\n\n<\/div>\n\n\n<h2 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-centered\">Insect\/Mite Pests<\/h2>\n\n\n<div class=\"wsu-row wsu-row--thirds\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#Fleabeetle\">Flea beetle<\/a><\/li>\n<\/ul>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#hornworm\">Tomato hornworm<\/a><\/li>\n<\/ul>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#thrips\">Western flower thrips<\/a><\/li>\n<\/ul>\n\n<\/div>\r\n\n<\/div>\n\n\n<h2 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-centered\">Abiotic Problems Common to Tomato<\/h2>\n\n\n<div class=\"wsu-row wsu-row--thirds\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#herbicide\">2,4-D herbicide injury<\/a><\/li>\n\n\n\n<li><a href=\"#Blossom\">Blossom end rot<\/a><\/li>\n<\/ul>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#Parthenocarpy\">Parthenocarpy in tomato fruit<\/a><\/li>\n\n\n\n<li><a href=\"#Physiological\">Physiological leaf roll<\/a><\/li>\n<\/ul>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#Vivipary\">Vivipary<\/a><\/li>\n<\/ul>\n\n<\/div>\r\n\n<\/div>\n\n<div class=\"wsu-row wsu-row--single\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<hr class=\"wp-block-separator has-css-opacity\" \/>\n\n\n\n<p class=\"has-text-align-center\">(Click on photo to enlarge)<\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<h2 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-centered\" id=\"General\">General Tomato Disease and Pest Management<\/h2>\n\n\n\n<ul>\n<li><a href=\"https:\/\/www.canr.msu.edu\/news\/managing_tomato_diseases\">Bacterial canker ravages processing tomatoes<\/a>, Learn how to recognize bacterial canker now to manage this disease in the future.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.canr.msu.edu\/news\/protect_greenhouse_tomato_transplants_from_bacterial_spot\">How to spot and stop diseases on greenhouse tomato seedlings: Stop diseases now on tomato seedlings and produce healthy transplants for the field<\/a>, Mary Hausbeck, Michigan State University Extension.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.plantmanagementnetwork.org\/edcenter\/seminars\/Tomato\/ManagingPerennialWeeds\/\">Managing Perennial Weeds in Tomatoes<\/a>, This Focus on Tomato webcast by Steve Weller at Purdue University summarizes different perennial weed types, shows examples of problem perennial weeds, and discusses techniques available for managing these weeds.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.canr.msu.edu\/news\/michigan-vegetable-crop-report-june-16-2021\">MSU\u2019s Research results for bacterial canker in tomatoes<\/a>, Research indicates it is best to manage canker before field planting tomatoes. Mary Hausbeck, Michigan State University Extension.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.canr.msu.edu\/news\/protect_greenhouse_tomato_transplants_from_bacterial_spot\">Protect tomato transplants in the greenhouse from bacterial diseases<\/a>. Mary Hausbeck, Michigan State University Extension. Although some details are specific to Michigan, the general principles in this post apply to all tomato transplant production operations.<\/li>\n\n\n\n<li><a href=\"https:\/\/msue.anr.msu.edu\/news\/protect_tomato_transplants_in_the_greenhouse_from_fungal_diseases\/\">Protect tomato transplants in the greenhouse from fungal diseases<\/a>. Mary Hausbeck, Michigan State University Extension. Although some details are specific to Michigan, the general principles in this post apply to all tomato transplant production operations.<\/li>\n\n\n\n<li><a href=\"https:\/\/seminisitaly.s3.amazonaws.com\/app\/uploads\/2014\/09\/SEM-12094_TomatoDiseases_x1.pdf\">Tomato Disease Guide (pdf)<\/a>&nbsp;&#8211; A Practical Guide for Seedsmen, Growers and Agricultural Advisors. Published by Seminis Vegetable Seeds, Inc.\u2019s Plant Health Department.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.plantmanagementnetwork.org\/edcenter\/seminars\/Tomato\/HighTunnelGreenhouses\/\">Tomato Diseases Favored by High Tunnel Greenhouses<\/a>&nbsp;(recorded webscast, Dec. 2013)<br>By Judson Reid, Extension Vegetable Specialist, Cornell University.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-centered\" id=\"Diseases\">Diseases<\/h2>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Alternaria\">Alternaria<\/h3>\n\n\n\n<p class=\"collapse_bottom\"><strong>Disease<\/strong>:&nbsp;Alternaria<br><strong>Pathogen<\/strong>:&nbsp;<em>Alternaria solani<\/em><\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-alternaria-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Alternaria-1L.jpg\" alt=\"Alternaria symptoms on tomato-1\" class=\"wp-image-2853\" width=\"143\" height=\"218\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>D.A. Inglis<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-alternaria-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Alternaria-2L-396x264.jpg\" alt=\"Alternaria symptoms on tomato-2\" class=\"wp-image-2854\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Alternaria-2L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Alternaria-2L.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>D.A. Inglis<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-alternaria-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Alternaria-3L-396x264.jpg\" alt=\"Alternaria symptoms on tomato-3\" class=\"wp-image-2855\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Alternaria-3L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Alternaria-3L.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>D.A. Inglis<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-alternaria-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Alternaria-4L-396x264.jpg\" alt=\"Alternaria symptoms on tomato-4\" class=\"wp-image-2856\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Alternaria-4L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Alternaria-4L.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>D.A. Inglis<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/eorganic.org\/node\/4961\">Early Blight Management for Organic Tomato Production<\/a>, eXtension.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Bigbud\">Big bud<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Disease<\/strong>:&nbsp;Big bud<br><strong>Pathogen<\/strong>: Beet leafhopper transmitted viresence agent (BLTVA), a phytoplasma, transmitted by the beet leafhopper,&nbsp;<em>Circulifer tenellus<\/em><br><strong>Host crops<\/strong>: Tomato and several other plant species, including potato.<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-big-bud-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-big-bud-1L.jpg\" alt=\"big bud symptoms on tomato leaves-1\" class=\"wp-image-2858\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-big-bud-1L.jpg 700w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-big-bud-1L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Phil Hamm, Oregon State University<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-big-bud-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-big-bud-2L.jpg\" alt=\"big bud symptoms on tomato-2\" class=\"wp-image-2859\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-big-bud-2L.jpg 750w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-big-bud-2L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Phil Hamm, Oregon State University<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/www2.ipm.ucanr.edu\/agriculture\/tomato\/Tomato-Big-Bud\/\">Tomato: Tomato Big Bud<\/a>, How to Manage Pests: UC Pest Management Guidelines, UC IPM Online, University of California.<\/li>\n\n\n\n<li><a href=\"http:\/\/vegetablemdonline.ppath.cornell.edu\/PhotoPages\/Tomatoes\/Tom_Viruses\/Tom_VirusesFS8.htm\">Virus Diseases and Disorders of Tomato: Big Bud<\/a>, Vegetable MD Online, Cornell University.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Buckeyerot\">Buckeye rot<\/h3>\n\n\n\n<p><strong>Disease<\/strong>:&nbsp;Buckeye rot<br><strong>Pathogen<\/strong>: Non pathogenic disorder<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<figure class=\"wp-block-image alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-buckeye-rot\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Buckeye-rot-396x264.jpg\" alt=\"Buckeye rot on tomato\" class=\"wp-image-2860\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Buckeye-rot-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Buckeye-rot.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>E. J. Sorensen\n\n<\/figcaption><\/figure>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Curlytop\">Curly top<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Disease<\/strong>:&nbsp;Curly top<br><strong>Pathogen<\/strong>:&nbsp;<em>Beet curly top virus<\/em>&nbsp;(BCTV), vectored by the beet leafhopper&nbsp;<em>Circulifer tenellus<\/em><br><strong>Host crops<\/strong>: Numerous plant species including many vegetables such as&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/bean\/#CurlyTop\">bean<\/a>, beet, carrot,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/eggplant\/#Curlytop\">eggplant<\/a>,&nbsp;<br><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/coriander-cilantro\/#Curlytop\">coriander<\/a>, pepper,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/potato\/#Curlytop\">potato<\/a>,&nbsp;tomato, and various cucurbits such as&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/squash\/#Curlytop\">squash<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/cucumber\/#Curly\">cucumber<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/pumpkin\/#Curlytop\">pumpkin<\/a>,&nbsp;and <a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/watermelon\/#Curlytop\">watermelon<\/a>, etc.<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-curly-top-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Curly-top-1L-396x264.jpg\" alt=\"curly top on tomato-1\" class=\"wp-image-2867\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Curly-top-1L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Curly-top-1L.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>E. J. Sorensen<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-beet-curly-top-virus-1l-2\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-1L-1-396x286.jpg\" alt=\"tomato plants showing symptoms of beet curly top virus\" class=\"wp-image-2581\" width=\"198\" height=\"143\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-1L-1-396x286.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-1L-1.jpg 650w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of curly top on tomato leaves.<br><strong>Photo Source: <\/strong>Phil Hamm, Oregon State University<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-beet-curly-top-virus-2l-2\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-2L-1.jpg\" alt=\"symptoms of beet curly top virus on tomato plants\" class=\"wp-image-2582\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-2L-1.jpg 450w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-2L-1-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of curly top on tomato leaves.<br><strong>Photo Source: <\/strong>Phil Hamm, Oregon State University<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-beet-curly-top-virus-3l-2\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-3L-1-396x273.jpg\" alt=\"symptoms of beet curly top-1\" class=\"wp-image-2583\" width=\"198\" height=\"137\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-3L-1-396x273.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-3L-1.jpg 700w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of curly top on tomato leaves.<br><strong>Photo Source: <\/strong>Phil Hamm, Oregon State University<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n<\/div>\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-beet-curly-top-virus-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-4L-396x264.jpg\" alt=\"tomato plants showing symptoms of beet curly top virus-4\" class=\"wp-image-1478\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-4L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-4L.jpg 550w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of curly top on tomato leaves.<br><strong>Photo Source: <\/strong>Krishna Mohan, University of Idaho<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-beet-curly-top-virus-5l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-5L-396x265.jpg\" alt=\"tomato plants showing symptoms of beet curly top virus-5\" class=\"wp-image-1479\" width=\"198\" height=\"133\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-5L-396x265.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-beet-curly-top-virus-5L.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of curly top on tomato leaves.<br><strong>Photo Source: <\/strong>Krishna Mohan, University of Idaho<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/node\/3614\/print\">Pacific Northwest Plant Disease Management Handbook: Tomato (Lycopersicon esculentum) \u2013 Curly Top<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/hortsense.cahnrs.wsu.edu\/fact-sheet\/tomato-curly-top-beet-curly-top-virus\/\">Tomato: Curly top (Beet curly top virus)<\/a>, Washington State University Hortsense.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.plantmanagementnetwork.org\/edcenter\/seminars\/Tomato\/curlytop\/\">Curly Top Disease of Tomato<\/a>, Plant Management Network International.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Lateblight\">Late blight<\/h3>\n\n\n\n<p><strong>Disease<\/strong>:&nbsp;Late blight<br><strong>Pathogen<\/strong>:&nbsp;<em>Phytophthora infestans<\/em><\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-late-blight-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-1L-396x264.jpg\" alt=\"Late blight symptoms on tomato-1\" class=\"wp-image-2870\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-1L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-1L.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>D.A. Inglis<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-late-blight-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-2L.jpg\" alt=\"Late blight symptoms on tomato-2\" class=\"wp-image-2871\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-2L.jpg 700w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-2L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Matt Tregoning, Sol to Seed Farm, Carnation, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-late-blight-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-3L.jpg\" alt=\"Late blight symptoms on tomato-3\" class=\"wp-image-2872\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-3L.jpg 700w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-3L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Matt Tregoning, Sol to Seed Farm, Carnation, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-late-blight-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-4L.jpg\" alt=\"Late blight symptoms on tomato-4\" class=\"wp-image-2873\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-4L.jpg 750w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-4L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Matt Tregoning, Sol to Seed Farm, Carnation, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n<\/div>\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-late-blight-5l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-5L.jpg\" alt=\"Late blight symptoms on tomato-5\" class=\"wp-image-2874\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-5L.jpg 750w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-late-blight-5L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Matt Tregoning, Sol to Seed Farm, Carnation, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/plantdisease\/host-disease\/tomato-solanum-lycopersicum-late-blight\">Pacific Northwest Plant Disease Management Handbook: Tomato (Lycopersicon esculentum) \u2013 Late Blight<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/eorganic.org\/node\/3340\">Organic Management of Late Blight of Potato and Tomato (Phytophthora infestans)<\/a>, eXtension.<\/li>\n\n\n\n<li>Protect tomatoes in the greenhouse from late blight, Michigan State University.<\/li>\n\n\n\n<li><a href=\"https:\/\/hortsense.cahnrs.wsu.edu\/fact-sheet\/tomato-late-blight\/\">Tomato: Late blight<\/a>, Washington State University Hortsense.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Leafmold\">Leaf mold<\/h2>\n\n\n\n<p><strong>Problem<\/strong>:&nbsp;Leaf mold<br><strong>Pathogen<\/strong>:&nbsp;<em>Fulvia fulva<\/em>&nbsp;(formerly&nbsp;<i>Cladosporium fulvum<\/i>)<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-leaf-mold-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-1L.jpg\" alt=\"leaf mold on top on tomato leaves-1\" class=\"wp-image-2876\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-1L.jpg 800w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-1L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Carol Miles, Washington State University<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-leaf-mold-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-2L.jpg\" alt=\"leaf mold on bottom of tomato leaf-2\" class=\"wp-image-2877\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-2L.jpg 800w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-2L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Carol Miles, Washington State University<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-leaf-mold-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-3L.jpg\" alt=\"symptoms of leaf mold on tomato-3\" class=\"wp-image-2878\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-3L.jpg 550w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-3L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Very severe symptoms of leaf mold of tomato, caused by <i>Fulvia fulva,<\/i> in a hoophouse in western Washington as a result of high humidity caused by warm days and cool nights in late summer.<br><strong>Photo Source: <\/strong>Sacha Buller, Washington State University Skagit Co. Extension Master Gardener Coordinator<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-leaf-mold-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-4L.jpg\" alt=\"symptoms of leaf mold on tomato-4\" class=\"wp-image-2879\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-4L.jpg 600w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-4L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Very severe symptoms of leaf mold of tomato, caused by <i>Fulvia fulva,<\/i> in a hoophouse in western Washington as a result of high humidity caused by warm days and cool nights in late summer.<br><strong>Photo Source: <\/strong>Sacha Buller, Washington State University Skagit Co. Extension Master Gardener Coordinator<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n<\/div>\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-leaf-mold-5l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-5L.jpg\" alt=\"symptoms of leaf mold on tomato plant-3\" class=\"wp-image-2880\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-5L.jpg 700w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-5L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Very severe symptoms of leaf mold of tomato, caused by <i>Fulvia fulva,<\/i> in a hoophouse in western Washington as a result of high humidity caused by warm days and cool nights in late summer.<br><strong>Photo Source: <\/strong>Sacha Buller, Washington State University Skagit Co. Extension Master Gardener Coordinator<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-leaf-mold-6l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-6L.jpg\" alt=\"symptoms of leaf mold on tomato-6\" class=\"wp-image-2881\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-6L.jpg 700w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-leaf-mold-6L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Very severe symptoms of leaf mold of tomato, caused by <i>Fulvia fulva,<\/i> in a hoophouse in western Washington as a result of high humidity caused by warm days and cool nights in late summer.<br><strong>Photo Source: <\/strong>Sacha Buller, Washington State University Skagit Co. Extension Master Gardener Coordinator<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/plantdisease\/host-disease\/greenhouse-plants-tomato-leaf-mold\">Greenhouse Plants, Tomato-Leaf Mold<\/a>, PNW Plant Disease Management Handbook.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.canr.msu.edu\/news\/tomato-leaf-mold-in-hoophouse-tomatoes\">Tomato leaf mold in hoophouse tomatoes<\/a>. Authors: Marissa Schuh and Benjamin Phillips. Michigan State University Extension, 2019.<\/li>\n\n\n\n<li><a href=\"https:\/\/pnwhandbooks.org\/plantdisease\/host-disease\/tomato-solanum-lycopersicum-leaf-mold\">Tomato (Lycopersicon esculentum)-Leaf Mold<\/a>, PNW Plant Disease Management Handbook.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Pythiumrot\">Pythium rot<\/h3>\n\n\n\n<p><strong>Disease<\/strong>:&nbsp;Pythium rot<br><strong>Pathogen<\/strong>:&nbsp;<em>Pythium&nbsp;species<\/em><\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<figure class=\"wp-block-image alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-pythium-rot\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Pythium-rot-396x264.jpg\" alt=\"Pythium rot on tomato\" class=\"wp-image-2883\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Pythium-rot-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Pythium-rot.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>E. J. Sorensen\n\n<\/figcaption><\/figure>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Verticilliumwilt\">Verticillium wilt<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Disease<\/strong>:&nbsp;Verticillium wilt<br><strong>Pathogen<\/strong>:&nbsp;<em>Verticillium&nbsp;species<\/em><br><b>Host crops<\/b>: Numerous vegetables including many brassica vegetables (but not broccoli), cucumber,&nbsp;<br><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/eggplant\/#Verticilliumwilt\">eggplant<\/a>, pepper,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/potato\/#Verticilliumwilt\">potato<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/pumpkin\/#Verticilliumwilt\">pumpkin<\/a>, radish,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/spinach\/#Verticillium\">spinach<\/a>, tomato,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/watermelon\/#Verticilliumwilt\">watermelon<\/a>, etc.<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-verticillium-wilt-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Verticillium-wilt-1L.jpg\" alt=\"Verticillium wilt on tomato-1\" class=\"wp-image-2884\" width=\"162\" height=\"240\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>D.A. Inglis<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-verticillium-wilt-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-verticillium-wilt-2L.jpg\" alt=\"Verticillium wilt on tomato-2\" class=\"wp-image-2885\" width=\"180\" height=\"240\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Lindsey du Toit<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-verticillium-wilt-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-verticillium-wilt-3L.jpg\" alt=\"Verticillium wilt on tomato-3\" class=\"wp-image-2886\" width=\"180\" height=\"240\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Lindsey du Toit<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-verticillium-wilt-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-verticillium-wilt-4L.jpg\" alt=\"Verticillium wilt on tomato-4\" class=\"wp-image-2887\" width=\"180\" height=\"240\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>Lindsey du Toit<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/plantdisease\/host-disease\/tomato-solanum-lycopersicum-verticillium-wilt\">Pacific Northwest Plant Disease Management Handbook: Tomato (Lycopersicon esculentum) \u2013 Wilts {Fusarium wilt, Verticillium wilt}<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/hortsense.cahnrs.wsu.edu\/fact-sheet\/tomato-verticillium-wilt\/\">Tomato: Verticillium wilt<\/a>, Washington State University Hortsense.<\/li>\n\n\n\n<li>See&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/diseases-pests-and-other-problems-common-to-many-vegetables\/#Verticillium\">Diseases, pests, and other problems common to many vegetables: Verticillium wilt<\/a>.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Whitemold\">White mold<\/h3>\n\n\n\n<p><strong>Disease<\/strong>:&nbsp;White mold<br><strong>Pathogen<\/strong>:&nbsp;<em>Sclerotinia&nbsp;species<\/em><br><b>Host crops<\/b>:&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/bean\/#WhiteMold\">Bean<\/a>, various brassica vegetables,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/carrot\/#Whitemold\">carrot<\/a>, eggplant, <a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/lettuce\/#WhiteMold\">lettuce<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/potato\/#Whitemold\">potato<\/a>, tomato, etc.<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/dg70l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg70L-396x264.jpg\" alt=\"White mold on tomato\" class=\"wp-image-2889\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg70L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg70L.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">White mold infection of a tomato plant.<br><strong>Photo Source: <\/strong>E. J. Sorensen<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-white-mold-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-white-mold-2L.jpg\" alt=\"White mold on stem\" class=\"wp-image-2890\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-white-mold-2L.jpg 800w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-white-mold-2L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Tomato stem white mold mycelium and sclerotia.<br><strong>Photo Source: <\/strong>Jenny Glass, WSU Puyallup PIDL<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/plantdisease\/host-disease\/tomato-solanum-lycopersicum-white-mold\">Pacific Northwest Plant Disease Management Handbook: Tomato (Lycopersicon esculentum) \u2013 White Mold<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/hortsense.cahnrs.wsu.edu\/fact-sheet\/tomato-white-mold\/\">Tomato: White mold<\/a>, Washington State University Hortsense.<\/li>\n\n\n\n<li>See&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/diseases-pests-and-other-problems-common-to-many-vegetables\/#Whitemold\">Diseases, pests, and other problems common to many vegetables: White mold<\/a>.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-centered\" id=\"InsMite\">Insect\/Mite Pests<\/h2>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Fleabeetle\">Flea beetle<\/h3>\n\n\n\n<p class=\"collapse_bottom wsu-max-width--hero\"><strong>Common name<\/strong>:&nbsp;Flea beetle<br><strong>Latin binomial<\/strong>: Pictured is the western potato flea beetle,&nbsp;<i>Epitrix subcrinita<\/i>, but the tuber flea beetle,&nbsp;<i>Epitrix tuberis<\/i>, may also damage foliage.<br><b>Host crops<\/b>: Eggplant,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/pepper\/#Fleabeetle\">pepper<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/potato\/#Fleabeetle\">potato<\/a>, and tomato.<\/p>\n\n\n<div class=\"wsu-row wsu-row--thirds\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/potato-potato-flea-beetle-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/potato-potato-flea-beetle-1L.jpg\" alt=\"damaged potato leaf by a flea beetle\" class=\"wp-image-2542\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/potato-potato-flea-beetle-1L.jpg 624w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/potato-potato-flea-beetle-1L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Potato flea beetle damage on potato foliage appears as scallop-like scoops, rounded pits or shotholes originating from the underside of the potato leaf.<br><strong>Photo Source: <\/strong>Michael Bush, WSU Extension, Yakima, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/potato-potato-flea-beetle-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/potato-potato-flea-beetle-2L-396x316.jpg\" alt=\"adult potato flea beetle\" class=\"wp-image-2543\" width=\"198\" height=\"158\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/potato-potato-flea-beetle-2L-396x316.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/potato-potato-flea-beetle-2L.jpg 587w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">The adult flea beetle is small (~1\/16 inch long), oblong, and dark brown to bronze in color.<br><strong>Photo Source: <\/strong>Michael Bush, WSU Extension, Yakima, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/potato-potato-flea-beetle-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/potato-potato-flea-beetle-3L-396x287.jpg\" alt=\"adult potato flea beetle showing enlarged hind legs\" class=\"wp-image-2544\" width=\"198\" height=\"144\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/potato-potato-flea-beetle-3L-396x287.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/potato-potato-flea-beetle-3L.jpg 646w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">The most distinctive feature of the flea beetle is the enlarged hind legs that provide the insect the ability to jump considerable distances when approached or disturbed.<br><strong>Photo Source: <\/strong>Michael Bush, WSU Extension, Yakima, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"http:\/\/whatcom.wsu.edu\/ag\/documents\/seedpotatoes\/eb1198e.pdf\">Potato Flea Beetles: Biology and Control (pdf)<\/a>, Washington State University Extension Bulletin 1198E.<\/li>\n\n\n\n<li><a href=\"https:\/\/ippc2.orst.edu\/potato\/fleabeetles.pdf\">Potato Flea Beetles. Coleoptera: Chrysomelidae Western Potato Flea Beetle&nbsp;<i>Epitrix subcrinita<\/i>, Tuber Flea Beetle&nbsp;<i>Epitrix tuberis (pdf)<\/i><\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/pnwhandbooks.org\/insect\/vegetable\/irish-potato\">Pacific Northwest Insect Management Handbook<\/a>. Chapter: Irish Potatoes, Section: Flea Beetle to Grasshopper.<\/li>\n\n\n\n<li><a href=\"https:\/\/hortsense.cahnrs.wsu.edu\/fact-sheet\/tomato-flea-beetles\/\">Vegetables: Tomato: Flea beetles<\/a>. Washington State University Hortsense.<\/li>\n\n\n\n<li>See&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/diseases-pests-and-other-problems-common-to-many-vegetables\/#Fleabeetle\">Diseases, pests, and other problems common to many vegetables: Flea beetle<\/a>.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"hornworm\">Tomato hornworm<\/h3>\n\n\n\n<p><strong>Common name<\/strong> (of damaging stage):&nbsp;Tomato hornworm<br><strong>Latin binomial<\/strong>:&nbsp;<em>Manduca quinquemaculata<\/em><br><b>Host crops<\/b>:&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/pepper\/#Tomatohornworm\">Pepper<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/eggplant\/#Tomatohornworm\">eggplant<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/potato\/#Tomatohornworm\">potato<\/a>, and tomato.<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-tomato-hornworm-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-1L-396x263.jpg\" alt=\"mature tomato hornworm-1\" class=\"wp-image-1492\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-1L-396x263.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-1L.jpg 468w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Mature tomato hornworms can reach 3 inches long. They come in various hues of green to gray, but are distinguished from other hornworms by the eight v-shaped stripes running along the length of their bodies and a black horn on their rear end. The coloration allows these large caterpillars to remain cryptic within the canopy of tomato plants.<br><strong>Photo Source: <\/strong>Michael Bush, WSU Extension, Yakima, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-tomato-hornworm-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-2L-396x300.jpg\" alt=\"tomato hornworm-2\" class=\"wp-image-1493\" width=\"198\" height=\"150\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-2L-396x300.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-2L.jpg 468w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Tomato hornworm is a plant defoliator feeding on entire leaves, small stems, and even parts of immature fruit. Often this defoliation is first noticed near the end of the growing season (August or early September) when the hornworm is approaching maturity.<br><strong>Photo Source: <\/strong>Michael Bush, WSU Extension, Yakima, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-tomato-hornworm-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-3L-396x263.jpg\" alt=\"tomato hornworm on ground\" class=\"wp-image-1494\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-3L-396x263.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-3L.jpg 468w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">The tomato hornworm has one generation per year and overwinters as a pupa in the soil. Adults will emerge in the spring.<br><strong>Photo Source: <\/strong>Michael Bush, WSU Extension, Yakima, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-tomato-hornworm-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-4L-396x263.jpg\" alt=\"measuring the size of a tomato hornworm adult\" class=\"wp-image-1491\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-4L-396x263.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-tomato-hornworm-4L.jpg 468w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">The tomato hornworm adult is a large (3.5 to 5.25-inch wingspan) moth known as the five-spotted hawk moth for the five pairs of orange spots on the abdomen. The adult is rarely encountered by growers and home gardeners as it tends to fly around dusk.<br><strong>Photo Source: <\/strong>Michael Bush, WSU Extension, Yakima, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/uspest.org\/pnw\/insects\">Pacific Northwest Insect Management Handbook<\/a>. Washington State Chapter: Vegetables, Section: Tomato Part2: Fleabeetle to Wireworm.<\/li>\n\n\n\n<li><a href=\"https:\/\/hortsense.cahnrs.wsu.edu\/fact-sheet\/tomato-tomato-hornworm\/\">Vegetables: Tomato: Tomato hornworm<\/a>. Washington State University Hortsense.<\/li>\n\n\n\n<li><a href=\"https:\/\/www2.ipm.ucanr.edu\/agriculture\/tomato\/Hornworms\/\">UC Pest Management Guidelines: Tomato Hornworms<\/a>. UC IPM Online, University of California.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"thrips\">Western flower thrips<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Common name<\/strong> (of damaging stage):&nbsp;Western flower thrips<br><strong>Latin binomial<\/strong>:&nbsp;<em>Frankliniella occidentalis<br><\/em><b>Host&nbsp;crops:<\/b>&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/basil\/#Thrips\">Basil<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/brassicaceae\/broccoli\/#Western\">Broccoli<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cabbage\/#Western\">Cabbage<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/brassicaceae\/cauliflower\/#Western\">Cauliflower<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/cucumber\/#Western\">Cucumber<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/onion-allium\/#Thrips\">Onion<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/potato\/#thrips\">Potato<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/pumpkin\/#thrips\">Pumpkin<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/squash\/#thrips\">Squash<\/a>, Tomato, and&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/watermelon\/#thrips\">Watermelon<\/a>.<\/p>\n\n\n<div class=\"wsu-row wsu-row--thirds\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-western-flower-thrips-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Western-flower-thrips-1L.jpg\" alt=\"Western flower thrips-1\" class=\"wp-image-2894\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Western-flower-thrips-1L.jpg 468w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Western-flower-thrips-1L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Adult Western flower thrips are minute (less than 1\/8 inch long) narrow-bodied insects that range from straw to dark yellowish-brown in color. Their four wings are very narrow and characterized by long fringed hairs.<br><strong>Photo Source: <\/strong>Michael Bush, WSU Extension, Yakima, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-western-flower-thrips-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Western-flower-thrips-2L-396x277.jpg\" alt=\"immature Western flower thrips\" class=\"wp-image-2895\" width=\"198\" height=\"139\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Western-flower-thrips-2L-396x277.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Western-flower-thrips-2L.jpg 468w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">An immature Western flower thrip resembles the adult, but is smaller, wingless and translucent yellow in color. There may be multiple generations per year and thrips may invade vegetable fields when alternate flowering plants dry up in the summer or when an adjacent host crop is harvested.<br><strong>Photo Source: <\/strong>Michael Bush, WSU Extension, Yakima, WA<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<figure class=\"wp-block-image alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-western-flower-thrips-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Western-flower-thrips-3L-396x263.jpg\" alt=\"cosmetic damage to tomato fruit by thrips\" class=\"wp-image-2896\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Western-flower-thrips-3L-396x263.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-Western-flower-thrips-3L.jpg 468w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Thrips rasp (by puncturing individual surface cells and sucking cellular contents) the surface of flower and fruit tissues as they feed. Their feeding can weaken and deform flowers and reduce flower viability. The most visible damage is caused when they rasp the surface of the fruit in areas where two fruit come in contact or when a leave lies up against the fruit. This damage is cosmetic only and does not extend beneath the fruit skin.\n<br><strong>Photo Source: <\/strong>Michael Bush, WSU Extension, Yakima, WA<\/figcaption><\/figure>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/uspest.org\/pnw\/insects\">Western Flower Thrips Thysanoptera:&nbsp;Thripidae Frankiniella occidentalis<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/uspest.org\/pnw\/insects?22VGTB14.dat\">Pacific Northwest Insect Management Handbook<\/a>. Chapter: Vegetables, Section: Broccoli, Cabbage, Other Crucifers.<\/li>\n\n\n\n<li><a href=\"https:\/\/uspest.org\/pnw\/insects\">Pacific Northwest Insect Management Handbook<\/a>. Chapter: Vegetables, Section: Cucumber (garden symphylan to wireworm).<\/li>\n\n\n\n<li><a href=\"https:\/\/hortsense.cahnrs.wsu.edu\/fact-sheet\/bean-thrips\/\">Vegetables: Bean: Thrips<\/a>. Washington State University Hortsense.<\/li>\n\n\n\n<li><a href=\"https:\/\/hortsense.cahnrs.wsu.edu\/fact-sheet\/broccoli-cole-crops-thrips\/\">Vegetables: Broccoli, Cole crops: Thrips<\/a>. Washington State University Hortsense.<\/li>\n\n\n\n<li>See&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/diseases-pests-and-other-problems-common-to-many-vegetables\/#thrips\">Diseases, pests, and other problems common to many vegetables: Western flower thrips<\/a>.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-centered\" id=\"Abiotic\">Abiotic Problems Common to Tomato<\/h2>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"herbicide\">2,4-D herbicide injury<\/h3>\n\n\n\n<p class=\"collapse_bottom\"><strong>Problem<\/strong>:&nbsp;2,4-D herbicide injury<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-2-4-d-injury-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-2-4-D-injury-1L.jpg\" alt=\"2,4-D herbicide injury to a tomato plant\" class=\"wp-image-2898\" width=\"159\" height=\"119\" \/><\/a><\/figure>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li>2,4-D on Tomato: Postemergence. Video of injury to a tomato plant from a postemergence application of the herbicide 2,4-D. Jerry L. Hill, Ed Peachey, Larry C. Burrill, and Craig Anderson, Oregon State University.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Blossom\">Blossom end rot<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Problem<\/strong>:&nbsp;Blossom end rot<br><strong>Cause<\/strong>: Calcium deficiency resulting from various environmental conditions and management practices, e.g., inadequate Ca in the soil, inconsistent water as a result of alternating wet and dry periods that decrease Ca uptake by plants, and even excellent growing conditions such as a period of very bright sunshine and warm temperatures mid-season.<br><strong>Crops affected<\/strong>: Tomato,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/pepper\/#Blossom\">pepper<\/a>, eggplant, and various&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/#Blossom\">cucurbits<\/a>.<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-blossom-end-rot-1l-2\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-blossom-end-rot-1L-1-396x261.jpg\" alt=\"blossom end rot stymptoms on tomato\" class=\"wp-image-2552\" width=\"198\" height=\"131\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-blossom-end-rot-1L-1-396x261.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-blossom-end-rot-1L-1.jpg 750w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of blossom end rot on tomato fruit.<br><strong>Photo Source: <\/strong>Krishna Mohan, University of Idaho<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-blossom-end-rot-2l-2\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-blossom-end-rot-2L-1.jpg\" alt=\"damaged tomato fruit\" class=\"wp-image-2900\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-blossom-end-rot-2L-1.jpg 750w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-blossom-end-rot-2L-1-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of blossom end rot on tomato fruit.<br><strong>Photo Source: <\/strong>Carol Miles, Washington State University<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-blossom-end-rot-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-blossom-end-rot-2L.jpg\" alt=\"symptoms of blossom end rot on tomato fruit\" class=\"wp-image-2553\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-blossom-end-rot-2L.jpg 750w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-blossom-end-rot-2L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Blossom-end rot is a physiological disorder that first appears as a water-soaked, light brown spot on the distil end of the fruit. As the fruit matures, the spot becomes sunken, leathery, and brown to black. Secondary pathogens can infect the area, causing fruit rot. The disorder is more common on earliest maturing fruit. Blossom end rot is associated with a low concentration of calcium in developing fruit. In eastern Washington, this is often caused by excessive soil moisture fluctuations, drought stress, or excessive nitrogen fertilization. Soil surface mulches, appropriate irrigation timing and frequency, soil amendment with limestone, and foliar applications of calcium may reduce the incidence of this disorder.<br><strong>Photo Source: <\/strong>Mike Bush, WSU Yakima Co. Extension Educator<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/pepper-blossom-end-rot-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/pepper-blossom-end-rot-1L-396x290.jpg\" alt=\"symptoms of blossom end rot on pepper\" class=\"wp-image-2551\" width=\"198\" height=\"145\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/pepper-blossom-end-rot-1L-396x290.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/pepper-blossom-end-rot-1L.jpg 750w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Blossom-end rot is a physiological disorder that first appears as a water-soaked, light brown spot on the distil end of the fruit. As the fruit matures, the spot becomes sunken, leathery, and brown to black. Secondary pathogens can infect the area, causing fruit rot. The disorder is more common on earliest maturing fruit. Blossom end rot is associated with a low concentration of calcium in developing fruit. In eastern Washington, this is often caused by excessive soil moisture fluctuations, drought stress, or excessive nitrogen fertilization. Soil surface mulches, appropriate irrigation timing and frequency, soil amendment with limestone, and foliar applications of calcium may reduce the incidence of this disorder.<br><strong>Photo Source: <\/strong>Mike Bush, WSU Yakima Co. Extension Educator<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li>Blossom-end-rot on Tomatoes. By M. Ophardt, 2013. WSU Extension Garden Tips.<\/li>\n\n\n\n<li><a href=\"https:\/\/msue.anr.msu.edu\/news\/blossom_end_rot_understanding_a_perennial_problem?utm_source=Vegetable+-+MSU+Extension+News+-+11-8-13&amp;utm_campaign=Vegetables+11-8-13&amp;utm_medium=email\">Blossom end rot: Understanding a perennial problem<\/a>. Michigan State University Extension.<\/li>\n\n\n\n<li><a href=\"https:\/\/ohioline.osu.edu\/hyg-fact\/3000\/3117.html\">Blossom-End Rot of Tomato, Pepper, and Eggplant<\/a>. By Miller, S.A., R. C. Rowe, and R. M. Riedel, The Ohio State University Extension Fact Sheet HYG-3117-96.<\/li>\n\n\n\n<li><a href=\"https:\/\/ir.library.oregonstate.edu\/xmlui\/bitstream\/handle\/1957\/16949\/fs139.pdf\">Blossom-end Rot of Tomatoes (pdf)<\/a>. Oregon State University Extension Service Bulletin FS 139. By I.C. MacSwan, 2000. Oregon State University Extension Service Bulletin.<\/li>\n\n\n\n<li><a href=\"https:\/\/hortsense.cahnrs.wsu.edu\/fact-sheet\/tomato-blossom-end-rot\/\">Vegetables: Tomato: Blossom-end Rot<\/a>. Washington State University Hortsense.<\/li>\n\n\n\n<li>See&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/diseases-pests-and-other-problems-common-to-many-vegetables\/#Blossom\">Diseases, pests, and other problems common to many vegetables: Blossom end rot of vegetables<\/a>.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Parthenocarpy\">Parthenocarpy in tomato fruit<\/h3>\n\n\n\n<p><strong>Problem<\/strong>:&nbsp;Parthenocarpy (secondary ovary formation) in tomato fruit<br><strong>Cause<\/strong>: Various environmentally stressful conditions<br><strong>Crops affected<\/strong>: Tomato and many other vegetables.<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-parthenocarpy-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-parthenocarpy-1L.jpg\" alt=\"parthenocarpy in tomato\" class=\"wp-image-2903\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-parthenocarpy-1L.jpg 700w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/Tomato-parthenocarpy-1L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source:&nbsp;<\/strong>Jenny Glass, WSU Puyallup<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Parthenocarpy\">Parthenocarpy<\/a>, Wikipedia.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Physiological\">Physiological leaf roll<\/h3>\n\n\n\n<p><strong>Problem<\/strong>:&nbsp;Physiological leaf roll<br><strong>Cause<\/strong>: Various environmental conditions and management practices<br><strong>Crops affected<\/strong>: Tomato and&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/potato\/#Physiological\">Potato<\/a>.<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/plr1l\/\"><img decoding=\"async\" loading=\"lazy\" width=\"185\" height=\"278\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/plr1L.jpg\" alt=\"Physiological leaf roll on tomato\" class=\"wp-image-2720\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>PNW VEG members<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/plr2l\/\"><img decoding=\"async\" loading=\"lazy\" width=\"151\" height=\"278\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/plr2L.jpg\" alt=\"Tomato Physiological leaf roll\" class=\"wp-image-2721\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>PNW VEG members<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/plr3l\/\"><img decoding=\"async\" loading=\"lazy\" width=\"163\" height=\"278\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/plr3L.jpg\" alt=\"Physiological leaf roll symptoms\" class=\"wp-image-2722\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Photo Source: <\/strong>PNW VEG members<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/s3.wp.wsu.edu\/uploads\/sites\/2723\/2021\/08\/Case-Study-9-Leaf-roll-tomato-potato-1.pdf\">Physiological Leaf Roll of Tomato\/Potato (pdf)<\/a>, Identification &amp; Management of Emerging Vegetable Problems in the Pacific Northwest. Pacific Northwest Vegetable Extension Group.<\/li>\n\n\n\n<li><a href=\"https:\/\/s3.wp.wsu.edu\/uploads\/sites\/2723\/2021\/08\/PhysiologicalLeafRollOfTomato-PNW_VEG_FactSheet-2.pdf\">Physiological Leaf Roll of Tomato (pdf)<\/a>,&nbsp;<i>A Fact Sheet prepared by The Pacific Northwest Vegetable Extension Group.<\/i><\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Vivipary\">Vivipary<\/h3>\n\n\n\n<p><b>Problem<\/b>:&nbsp;Vivipary (germination of seeds while still attached to the mother plant)<br><b>Crops affected<\/b>: Solanaceaous vegetables like tomato and&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/pepper\/#Vivipary\">pepper<\/a>.<\/p>\n\n\n<div class=\"wsu-row wsu-row--quarters\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<figure class=\"wp-block-image alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/tomato-vivipary-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-vivipary-1L-396x264.jpg\" alt=\"symptoms of vivipary of tomato\" class=\"wp-image-2554\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-vivipary-1L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/tomato-vivipary-1L.jpg 750w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">This atypical tomato developed a dark discoloration just under the skin of the ripe fruit. When cut open, seeds within the tomato fruit were germinating. This physiological disorder is known as vivipary, where the seeds germinate while still in the fruit. It is suspected to be caused by plant stress such as drought, water stress, or potassium deficiency within the fruit. The fruit are still edible.<br><strong>\nPhoto Source: <\/strong>Michael Bush, Washington State University Extension, Yakima, WA<\/figcaption><\/figure>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<p><\/p>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/journals.ashs.org\/downloadpdf\/journals\/jashs\/123\/5\/article-p925.pdf\">Effect of potassium nutrition during bell pepper seed development on vivipary and endogenous levels of abscisic acid (ABA). (pdf)<\/a>. By Marrush, M., M. Yamaguchi and M. E. Saltveit. 1998. J. Amer. Soc. Hort. Sci. 123(5):925\u2013930.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.uky.edu\/Ag\/IPM\/ipmveg\/solanaceousother\/pg_5.pdf\">Physiological and Nutrient Disorders (pdf)<\/a>. University of Kentucky Vegetable Integrated Pest Management Program. Vegetable Manuals.<\/li>\n\n\n\n<li>See&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/diseases-pests-and-other-problems-common-to-many-vegetables\/#Vivipary\">Diseases, pests, and other problems common to many vegetables: Vivipary<\/a>.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#home\">Return to the Top<\/a><\/p>\n\n\n<div class=\"wsu-callout  wsu-border--add-top\" >\r\n        \n<div class=\"wsu-note\">\n\t\n\t\t\t<div class=\"wsu-note__title\">\n\t\t\tPDF Accessibility\t\t<\/div>\n\t\t\n\t\n\n<p class=\"wsu-max-width--hero\">If you need the content provided on this site in an alternate format or for further information on the Vegetable Seed Pathology program, <\/p>\n\n\n\n<p class=\"wsu-max-width--hero\">please contact:&nbsp;<strong>Lindsey du Toit at&nbsp;<a href=\"mailto:dutoit@wsu.edu\">dutoit@wsu.edu<\/a>&nbsp;or at 360-848-6140<\/strong>.<\/p>\n\n<\/div>\n\n<\/div>\r\n\n\n<section  class=\"wsu-section wsu-width--full\"  >\r\n    <div class=\"wsu-section__inner wsu-width--content\">    \n\n<p class=\"wsu-max-width--hero wsu-spacing-after--none wsu-spacing-bottom--none wsu-spacing-before--default\">Our pages provide links to external sites for the convenience of users. WSU Extension does not manage these external sites, nor does Extension review, control, or take responsibility for the content of these sites. These external sites do not implicitly or explicitly represent official positions and policies of WSU Extension.<\/p>\n\n    <\/div><\/section>\n        <div id=\"cahnrs-back-to-top\" class=\"cahnrs-back-to-top\" hidden aria-hidden=\"true\">\n            <a id=\"cahnrs-back-to-top-btn\" class=\"cahnrs-back-to-top__btn\" href=\"#product-top\" aria-label=\"Back to top\">\n                <span class=\"cahnrs-back-to-top__icon\" aria-hidden=\"true\">\u2191<\/span>\n                <span class=\"cahnrs-back-to-top__label\">Back to top<\/span>\n            <\/a>\n        <\/div>\n        <div id=\"cahnrs-back-to-top\" class=\"cahnrs-back-to-top\" hidden aria-hidden=\"true\">\n            <a id=\"cahnrs-back-to-top-btn\" class=\"cahnrs-back-to-top__btn\" href=\"#product-top\" aria-label=\"Back to top\">\n                <span class=\"cahnrs-back-to-top__icon\" aria-hidden=\"true\">\u2191<\/span>\n                <span class=\"cahnrs-back-to-top__label\">Back to top<\/span>\n            <\/a>\n        <\/div>","protected":false},"excerpt":{"rendered":"<p>Diseases[action label=&quot;Insect\/Mite Pests&quot; link=&quot;https:\/\/stage.web.wsu.edu\/path-team\/photo-gallery-of-vegetable-problems\/tomato\/#Insect\/Mite Pests&quot; style=&quot;in-page-action&quot; ]Alternaria Big bud Buckeye rotInsect\/Mite PestsLate blight Leaf mold Curly topPythium rot Verticillium wilt White moldFlea beetle Tomato hornworm Western flower thripsAbiotic Problems Common to Tomato 2,4-D herbicide injury&amp;hellip;<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":52,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_expiration_date":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/pages\/194"}],"collection":[{"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/comments?post=194"}],"version-history":[{"count":14,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/pages\/194\/revisions"}],"predecessor-version":[{"id":8327,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/pages\/194\/revisions\/8327"}],"up":[{"embeddable":true,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/pages\/52"}],"wp:attachment":[{"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/media?parent=194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/categories?post=194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/tags?post=194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}