{"id":92,"date":"2021-06-13T17:37:34","date_gmt":"2021-06-14T00:37:34","guid":{"rendered":"http:\/\/stage.web.wsu.edu\/path-team\/?page_id=92"},"modified":"2024-10-20T21:10:22","modified_gmt":"2024-10-21T04:10:22","slug":"beet","status":"publish","type":"page","link":"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/beet\/","title":{"rendered":"Beet"},"content":{"rendered":"<div class=\"wsu-row  wsu-color-background--gray-5 wsu-row--thirds\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n<div class=\"wsu-cta \" >\n\t<a \t\t\t\t\thref=\"#Diseases2\"\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 \" >\n\t<a \t\t\t\t\thref=\"#InsMitePest\"\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 \" >\n\t<a \t\t\t\t\thref=\"#AbioticProblems\"\t\n\t\tclass=\"wsu-button \">\n\t\t\t\n\t\tAbiotic Problems\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-color-crimson wsu-heading--mark-centered\" id=\"home\">Diseases<\/h2>\n\n\n<div class=\"wsu-row wsu-row--halves\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#Phoma\">Phoma leaf spot and root rot<\/a><\/li>\n\n\n\n<li><a href=\"#Powdery\">Powdery mildew<\/a><\/li>\n\n\n\n<li><a href=\"#Ramularia\">Ramularia leaf spot<\/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=\"#Rhizoctonia\">Rhizoctonia basal petiole and crown infection<\/a><\/li>\n\n\n\n<li><a href=\"#Rust\">Rust<\/a><\/li>\n\n\n\n<li><a href=\"#Scab\">Scab<\/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-color-crimson wsu-heading--mark-centered\">Insect\/Mite Pests<\/h2>\n\n\n<div class=\"wsu-row wsu-row--halves\" >\r\n    \n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<ul>\n<li><a href=\"#Aphids\">Aphids<\/a><\/li>\n\n\n\n<li><a href=\"#Beet\">Beet leafminer<\/a><\/li>\n\n\n\n<li><a href=\"#Cutworms\">Cutworms<\/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=\"#Rootaphid\">Root aphid<\/a><\/li>\n\n\n\n<li><a href=\"#Springtails\">Springtails<\/a><\/li>\n\n\n\n<li><a href=\"#Spidermites\">Spider mites<\/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<\/h2>\n\n\n\n<ul>\n<li><a href=\"#HerbInj\">Herbicide Injury<\/a><\/li>\n<\/ul>\n\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=\"Diseases2\">Diseases<\/h2>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Phoma\">Phoma leaf spot and root rot<\/h3>\n\n\n\n<p class=\"collapse_bottom\"><strong>Disease<\/strong>:&nbsp;Phoma leaf spot and root rot<br><strong>Pathogens<\/strong>:&nbsp;<em>Phoma betae&nbsp;<\/em>(<em>Pleospora betae<\/em>)<br><b>Host crops<\/b>: Table beet, sugar beet, Swiss chard.<\/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-full is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/beet-phoma-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-1L.jpg\" alt=\"Phoma leaf spot and root rot symptoms-1\" class=\"wp-image-616\" width=\"200\" height=\"150\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-1L.jpg 800w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-1L-396x297.jpg 396w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of Phoma leaf spot on table beet. Note the small, pinhead size, dark fruiting bodies (pycnidia) of the pathogen on the dead tissue in the larger lesions.<br>\n<strong>Photo Source:<\/strong> Lindsey du Toit, Washington State University<\/figcaption><\/figure>\n\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\/beet-phoma-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-2L.jpg\" alt=\"Symptoms of Phoma leaf spot on bottom of table beet\" class=\"wp-image-617\" width=\"200\" height=\"150\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-2L.jpg 800w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-2L-396x297.jpg 396w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of Phoma leaf spot on table beet.<br><strong>Photo Source:<\/strong> Lindsey du Toit, 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-full is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/beet-phoma-3l-2\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-3L.jpg\" alt=\"A colony of Phoma betae growing on potato dextrose agar.\" class=\"wp-image-2168\" width=\"200\" height=\"177\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-3L.jpg 800w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-3L-396x349.jpg 396w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/a><figcaption class=\"wp-element-caption\">A colony of <i>Phoma betae <\/i>growing on potato dextrose agar.<br><strong>Photo Source: <\/strong>Lindsey du Toit, 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-full is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/beet-phoma-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-4L.jpg\" alt=\"Phoma leaf spot and root rot symptoms-2\" class=\"wp-image-619\" width=\"200\" height=\"164\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-4L.jpg 800w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-phoma-4L-396x325.jpg 396w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/a><figcaption class=\"wp-element-caption\">Holdfasts typically formed by <i>Phoma betae<\/i> when the fungus is grown on water agar and the hyphae come into contact with the plastic lower surface of the petri plate.<br><strong>Photo Source:<\/strong> Lindsey du Toit, Washington State University<p><\/p><\/figcaption><\/figure><\/div>\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>Online Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/plantdisease\/host-disease\/beet-red-beta-vulgaris-phoma-leaf-spot-root-rot\">Plant-disease beet-red-beta-vulgaris-phoma-leaf-spot-and-root-rot<\/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=\"Powdery\">Powdery mildew<\/h3>\n\n\n\n<p><strong>Disease<\/strong>:&nbsp;Powdery mildew<br><strong>Pathogens<\/strong>:&nbsp;<em>Erysiphe betae<\/em>&nbsp;(=&nbsp;<em>E. polygoni<\/em>&nbsp;or&nbsp;<em>Microsphaera&nbsp;betae<\/em>)<br><b>Host crops<\/b>: Table beet, sugar beet, Swiss chard<\/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\/beet-powdery-mildew-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-powdery-mildew-1L-396x528.jpg\" alt=\"Powdery mildew symptoms\" class=\"wp-image-621\" width=\"198\" height=\"264\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-powdery-mildew-1L-396x528.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-powdery-mildew-1L.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Powdery mildew on a table beet leaf.<br><strong>Photo Source:<\/strong> Lindsey du Toit, 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-full is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/beet-powdery-mildew-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-powdery-mildew-2L.jpg\" alt=\"A table beet leaf infected with powdery mildew (left) compared to a non-infected leaf (right)\" class=\"wp-image-622\" width=\"200\" height=\"150\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-powdery-mildew-2L.jpg 800w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-powdery-mildew-2L-396x297.jpg 396w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/a><figcaption class=\"wp-element-caption\">A table beet leaf infected with powdery mildew (left) compared to a non-infected lead (right).<br><strong>Photo Source:<\/strong> Lindsey du Toit, Washington 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>Online Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/plantdisease\/host-disease\/sugar-beet-beta-vulgaris-powdery-mildew\">Beet, Red (<i>Beta vulgaris<\/i>)-Powery Mildew<\/a>.<\/li>\n\n\n\n<li><a href=\"http:\/\/ipm.ucanr.edu\/PMG\/r735100611.html\">Sugarbeet, Powdery Mildew-UC Pest Management Guidelines<\/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=\"Ramularia\">Ramularia leaf spot<\/h3>\n\n\n\n<p><strong>Disease<\/strong>:&nbsp;Ramularia leaf spot<br><strong>Pathogen<\/strong>:&nbsp;<em>Ramularia beticola<\/em><br><strong>Host crops<\/strong>: Most vegetables in the Chenopodiaceae, i.e., sugar beet, table beet, and&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/swiss-chard\/#Ramularia\">swiss chard<\/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\/dg7l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg7L-396x594.jpg\" alt=\"symptoms of Ramularia on a Swiss chard leaf\" class=\"wp-image-626\" width=\"198\" height=\"297\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg7L-396x594.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg7L.jpg 400w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Ramularia leaf spot on Swiss chard leaves.<br><strong>Photo Source: <\/strong>D.A. Inglis,\nWashington State University<\/figcaption><\/figure>\n\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\/dg6l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg6L-396x594.jpg\" alt=\"Swiss chard leaves having ramularia spots\" class=\"wp-image-625\" width=\"198\" height=\"297\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg6L-396x594.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg6L.jpg 400w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Ramularia leaf spot on Swiss chard leaves.<br><strong>Photo Source: <\/strong>D.A. Inglis,\nWashington State University<\/figcaption><\/figure>\n\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\/swiss-chard-ramularia-leaf-spot-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/swiss-chard-ramularia-leaf-spot-1L-396x527.jpg\" alt=\"discrete, circular, necrotic lesions of Ramularia leaf spot\" class=\"wp-image-627\" width=\"198\" height=\"264\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/swiss-chard-ramularia-leaf-spot-1L-396x527.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/swiss-chard-ramularia-leaf-spot-1L.jpg 413w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Typical large, necrotic leaf spots caused by <i>Ramularia beticola<\/i> on a leaf sampled from a Swiss chard seed crop.<br><strong>Photo Source:<\/strong> Lindsey du Toit,\nWashington State University<\/figcaption><\/figure>\n\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\/swiss-chard-ramularia-leaf-spot-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/swiss-chard-ramularia-leaf-spot-2L-396x527.jpg\" alt=\"Swiss chard seed crop sample having necrotic lesions\" class=\"wp-image-628\" width=\"198\" height=\"264\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/swiss-chard-ramularia-leaf-spot-2L-396x527.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/swiss-chard-ramularia-leaf-spot-2L.jpg 413w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Discrete, circular, necrotic lesions of Ramularia leaf spot on a leaf sampled from a Swiss chard seed crop.<br><strong>Photo Source:<\/strong> Lindsey du Toit,\nWashington State University<\/figcaption><\/figure>\n\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\n<figure class=\"wp-block-image alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/swiss-chard-ramularia-leaf-spot-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/swiss-chard-ramularia-leaf-spot-3L-396x264.jpg\" alt=\"two-celled hyaline spores of Ramularia beticola\" class=\"wp-image-629\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/swiss-chard-ramularia-leaf-spot-3L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/swiss-chard-ramularia-leaf-spot-3L.jpg 750w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Two-celled, hyaline spores of <i>Ramularia beticola <\/i>from an infected Swiss chard leaf.<br><strong>Photo Source:<\/strong> Lindsey du Toit,\nWashington State University<\/figcaption><\/figure>\n\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t<\/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\/3586\/print\">Pacific Northwest Plant Disease Management Handbook: Sugar Beet (Beta vulgaris) \u2013 Ramularia Leaf Spot<\/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=\"Rhizoctonia\">Rhizoctonia basal petiole and crown infection<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Disease<\/strong>:&nbsp;Rhizoctonia basal petiole and crown infection<br><strong>Pathogens<\/strong>: <em>Rhizoctonia<\/em><br><b>Host crops<\/b>: Many vegetables are susceptible to infection by&nbsp;<em>Rhizoctonia&nbsp;<\/em>spp., which are common soilborne fungi. In beet and&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/swiss-chard\/#Rhizoctonia\">swiss chard<\/a>, these fungi can infect the base of petioles and the crown or main root at or below the soil surface, particularly in moist soil conditions. During very wet conditions, infection can also occur on the leaves.<\/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\/beta-rhizoctonia-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-1L-396x296.jpg\" alt=\"Rhizoctonia on Chard seed crop.\" class=\"wp-image-632\" width=\"198\" height=\"148\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-1L-396x296.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-1L.jpg 1361w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Severe root and crown symptoms caused by infection of plants in a Swiss chard seed crop by Rhizoctonia.<br>\n<strong>Photo Source: <\/strong>Lindsey du Toit, Washington State University<\/figcaption><\/figure>\n\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\/beta-rhizoctonia-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-2L-scaled-1-396x528.jpg\" alt=\"Swiss chard Rhizoc lesion.\" class=\"wp-image-633\" width=\"198\" height=\"264\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-2L-scaled-1-396x528.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-2L-scaled-1.jpg 1920w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Lesion at the base of a Swiss chard petiole caused by <i>Rhizoctonia.<\/i><br><strong>Photo Source:<\/strong> Lindsey du Toit, 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\/beta-rhizoctonia-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-3L-396x332.jpg\" alt=\"Rhizoctonia on Chard foliar lesions.\" class=\"wp-image-634\" width=\"198\" height=\"166\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-3L-396x332.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-3L.jpg 1309w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Swiss chard foliar lesions caused by<i>Rhizoctonia.<\/i><br><strong>Photo Source:<\/strong> Lindsey du Toit, 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\/beta-rhizoctonia-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-4L-396x603.jpg\" alt=\"Rhizoctonia on Chard closeup\" class=\"wp-image-635\" width=\"198\" height=\"302\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-4L-396x603.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beta-rhizoctonia-4L.jpg 909w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Severe root, crown, and petiole infection by <i>Rhizoctonia<\/i> on a Swiss chard plant.<br><strong>Photo Source:<\/strong> Lindsey du Toit, Washington State University<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>Online Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/plantdisease\/beet-red-beta-vulgaris-rhizoctonia-root-rot-pocket-rot\">Pacific Northwest Plant Disease Management Handbook<\/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=\"Rust\">Rust<\/h3>\n\n\n\n<p><strong>Disease<\/strong>:&nbsp;Rust<br><strong>Pathogens<\/strong>: <em>Uromyces betae<\/em><br><b>Host crops<\/b>: Table beet<\/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\/beet-rust-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-rust-1L-396x297.jpg\" alt=\"rust symptoms\" class=\"wp-image-637\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-rust-1L-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-rust-1L.jpg 800w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of rust on table beet.<br><strong>Photo Source: <\/strong>Lindsey du Toit, Washington State University\n<\/figcaption><\/figure>\n\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\/beet-rust-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-rust-2L-396x297.jpg\" alt=\"Symptoms of rust on table beet leaf\" class=\"wp-image-638\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-rust-2L-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-rust-2L.jpg 800w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Symptoms of rust on table beet.<br><strong>Photo Source: <\/strong>Lindsey du Toit, Washington State University\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<\/div>\n\n\n<p><strong>Online Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/plantdisease\/host-disease\/beet-red-beta-vulgaris-rust\">Plantdisease-beet-red-beta-vulgaris-rust<\/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=\"Scab\">Scab<\/h3>\n\n\n\n<p><strong>Disease<\/strong>:&nbsp;Scab<br><strong>Pathogen<\/strong>:&nbsp;<em>Streptomyces scabies<\/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\/dg13l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg13L-396x264.jpg\" alt=\"beet having scab\" class=\"wp-image-640\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg13L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/dg13L.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\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<h2 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-centered\" id=\"InsMitePest\">Insect\/Mite Pests<\/h2>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"Aphids\">Aphids<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Common names<\/strong>:&nbsp;Numerous aphids can infest vegetable crops, e.g., bean aphid, cowpea aphid, green peach aphid, melon aphid, and potato aphid.<br><strong>Latin binomial<\/strong>: Numerous types of aphids including&nbsp;<em>Aphis fabae<\/em>&nbsp;(bean aphid),&nbsp;<em>Myzus persicae<\/em>&nbsp;(green peach aphid),&nbsp;<em>Aphis gossypii<\/em>&nbsp;(melon aphid), and&nbsp;<em>Acrosiphum euphorbiae<\/em> (potato aphid).<br><strong>Host crops<\/strong>: In addition to beet, cucumber, corn seed, melon,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/potato\/#Aphids\">potato<\/a>, tomato, eggplant and pepper, aphids can feed on many other vegetables including broccoli, cabbage, spinach, Swiss chard,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/squash\/#Aphids\">squash<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/cucurbits\/pumpkin\/#Aphids\">pumpkin<\/a>, as well as many weed species including brassicaceae (cruciferous) weeds.<\/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\/beet-cowpea-aphid-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cowpea-aphid-1L-396x264.jpg\" alt=\"Aphids-1\" class=\"wp-image-642\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cowpea-aphid-1L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cowpea-aphid-1L.jpg 1280w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Cowpea aphid infesting a table beet seed crop.<br><strong>\nPhoto Source:<\/strong> Bev Gerdeman, WSU Entomologist<\/figcaption><\/figure>\n\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\/beet-cowpea-aphid-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cowpea-aphid-2L-396x264.jpg\" alt=\"Aphids-2\" class=\"wp-image-643\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cowpea-aphid-2L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cowpea-aphid-2L.jpg 1280w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Cowpea aphid infesting a table beet seed crop.<br><strong>\nPhoto Source:<\/strong> Bev Gerdeman, WSU Entomologist<\/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<\/div>\n\n\n<p><strong>Online Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a rel=\"noopener\" href=\"https:\/\/pnwhandbooks.org\/insect\/vegetable\/vegetable-pests\/common-vegetable\/vegetable-crop-aphid\">Pacific Northwest Insect Management Handbook: Vegetable crop pests-Aphid<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/hortsense.cahnrs.wsu.edu\/fact-sheet\/common-insects-and-mites-aphids\/\">Common Insect &amp; Mite: Aphids, Washington State University Hortsense<\/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=\"Beet\">Beet leafminer<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Common name<\/strong>: Beet leafminer and spinach leafminer<br><strong>Latin binomial<\/strong>:&nbsp;<em>Pegomya betae<\/em>&nbsp;and&nbsp;<em>Pegomya hyoscyami<\/em><br><strong>Host crops<\/strong>: Beet, spinach, sugar beet, Swiss chard, and many weeds including lamb\u2019s-quarters, chickweed, and nightshade.<\/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\/beet-leafminer-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-leafminer-1L-396x528.jpg\" alt=\"damaged beet plants\" class=\"wp-image-646\" width=\"198\" height=\"264\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-leafminer-1L-396x528.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-leafminer-1L.jpg 600w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Damage from beet leafminer.<br><strong>Photo Source:<\/strong>\nKari Saunders<\/figcaption><\/figure>\n\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\/beet-leafminer-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-leafminer-2L-396x297.jpg\" alt=\"damaged beet leaf\" class=\"wp-image-647\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-leafminer-2L-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-leafminer-2L.jpg 1024w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Damage from beet leafminer.<br><strong>Photo Source:<\/strong> Lindsey du Toit, Washington 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>Online Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/insect\/vegetable\/vegetable-pests\/hosts-pests\/beet-table-leafminer\">Pacific Northwest Plant Disease Management Handbook: Beet, table-leafminer.<\/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=\"Cutworms\">Cutworms<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Common name<\/strong>: Cutworms<br><strong>Latin binomial<\/strong>: Various cutworms can feed on beets, e.g.,&nbsp;<i>Agrostis ipsilon<\/i>&nbsp;(black cutworm),&nbsp;<i>Apamea devastator&nbsp;<\/i>(glassy cutworm), redbacked cutworm (<i>Euxoa ochrogaster<\/i>), army cutworm (<i>Euxoa auxiliaris<\/i>), spotted cutworm (<i>Xestica c-nigrum<\/i>), and variegated cutworm (<i>Peridroma saucia<\/i>).<br><strong>Host crops<\/strong>: Wide host range, including many vegetables such as beet (sugar beet, table beet, fodder beet), bean, carrot, onion, spinach, potato, etc. Subterranean species feed on plant roots and stems, cutting the plants at the soil surface. Climbing species are nocturnal, i.e., they hide in the soil during the day and cut off plants at the soil surface or feed on new leaves and stems in the crown.<\/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\/beet-cutworm-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cutworm-1L-396x264.jpg\" alt=\"cutworm-1\" class=\"wp-image-649\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cutworm-1L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cutworm-1L.jpg 640w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">A table beet showing feeding injury from cutworms, and a cutworm larva found feeding on the root.<br><strong>Photo Source:<\/strong> Bev Gerdeman, Washington State University Entomologist\n<\/figcaption><\/figure>\n\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\/beet-cutworm-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cutworm-2L-396x264.jpg\" alt=\"cutworm-2\" class=\"wp-image-650\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cutworm-2L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cutworm-2L.jpg 640w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">A cutworm larva found feeding on plants in a table beet crop.<br><strong>Photo Source:<\/strong> Bev Gerdeman, Washington State University Entomologist\n<\/figcaption><\/figure>\n\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\/beet-cutworm-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cutworm-3L-396x264.jpg\" alt=\"cutworm-3\" class=\"wp-image-651\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cutworm-3L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-cutworm-3L.jpg 640w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">A cutworm larva feeding on a golden table beet root.<br><strong>Photo Source:<\/strong> Bev Gerdeman, Washington State University Entomologist\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<\/div>\n\n\n<p><b>Online resources:<\/b><\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/insect\/vegetable\/vegetable-pests\/hosts-pests\/beet-table-armyworm-cutworm\">https:\/\/insect.pnwhandbooks.org\/vegetable-seed\/table-beet\/table-beet-seed-armyworm-cutworm-and-looper<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/pnwhandbooks.org\/insect\/agronomic\/sugar-beet\/sugar-beet-cutworm\">https:\/\/insect.pnwhandbooks.org\/legume-grass-field-seed\/sugar-beet\/sugar-beet-seed-cutworm<\/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=\"Rootaphid\">Root aphid<\/h3>\n\n\n\n<p><strong>Common name<\/strong>: Root aphid<br><strong>Latin binomial<\/strong>:&nbsp;<em>Pemphigus betae<\/em>,&nbsp;<em>Pemphigus populivenae<\/em><br><strong>Host crops<\/strong>: Table beet, sugar beet, swiss chard<\/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\/beet-root-aphid-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-root-aphid-1L-396x297.jpg\" alt=\"Root aphids on the root of a beet plant\" class=\"wp-image-655\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-root-aphid-1L-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-root-aphid-1L.jpg 800w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Root aphids on the root of a plant in a table beet seed crop.<br><strong>\t \nPhoto Source:<\/strong> Lindsey du Toit, Washington State University<\/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>Online Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/insect\/agronomic\/sugar-beet\/sugar-beet-sugar-beet-root-aphid\">https:\/\/pnwhandbooks.org\/insect\/agronomic\/sugar-beet\/sugar-beet-sugar-beet-root-aphid<\/a>.<\/li>\n\n\n\n<li><a href=\"http:\/\/ipm.ucanr.edu\/PMG\/r735300511.html\">Sugarbeet Root Aphid-UC Pest Management Guidelines<\/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=\"Springtails\">Springtails<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Common name<\/strong>:&nbsp;Springtails&nbsp;(subterranean types)<br><strong>Latin binomial<\/strong>: Order Collembola. There are numerous types of springtails or collembola, which are divided into two groups \u2013 subterranean springtails and surface springtails.<br><b>Host crops<\/b>: Multiple vegetables, but most damage has been reported on&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/spinach\/#Springtails\">spinach<\/a>&nbsp;and beets, primarily in heavier, organic soils during very wet, cool spring conditions.<\/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\/spinach-springtails-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/spinach-springtails-4L-396x264.jpg\" alt=\"springtail extracted from soil in a spinach seed crop\" class=\"wp-image-657\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/spinach-springtails-4L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/spinach-springtails-4L.jpg 750w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">A subterranean springtail extracted from soil in a spinach seed crop.<br><strong>\nPhoto Source:<\/strong> Lindsey du Toit, Washington State University<\/figcaption><\/figure>\n\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\/spinach-springtails-5l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/spinach-springtails-5L-396x264.jpg\" alt=\"springtail\" class=\"wp-image-658\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/spinach-springtails-5L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/spinach-springtails-5L.jpg 750w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">A subterranean springtail extracted from soil in a spinach seed crop.<br><strong>\nPhoto Source:<\/strong> Lindsey du Toit, Washington State University<\/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<\/div>\n\n\n<p><strong>On-Line Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/www.ag.ndsu.edu\/extensionentomology\/field-crops-insect-pests\/Documents\/sugarbeets\/e-1205-springtails-in-sugarbeets\/view\">Springtails Springtails in Sugarbeet: Identification, Biology, and Management<\/a>. North Dakota State University, Fargo.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sbreb.org\/wp-content\/uploads\/2018\/09\/Subterranean-1.pdf\">Control of Subterranean Springtails in Sugarbeet Using Granular, Liquid, and Seed Treatment Insecticides (pdf)<\/a>. North Dakota State University, Fargo.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.canr.msu.edu\/fieldcropsent\/uploads\/files\/12SpringtailsBeet.pdf\">Springtail feeding on emerging crops (especially sugarbeet) (pdf)<\/a>. Michigan State University.<\/li>\n\n\n\n<li><a href=\"https:\/\/cropscience.bayer.co.uk\/threats\/pest-and-slugs\/springtail\/\">Pest: Springtail<\/a>. Pest Spotter, Bayer CropScience.<\/li>\n\n\n\n<li>Also, see&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/swiss-chard\/#Springtails\">Swiss chard: springtails<\/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=\"Spidermites\">Spider mites<\/h3>\n\n\n\n<p class=\"wsu-max-width--hero\"><strong>Common name<\/strong>:&nbsp;Spider mites<br><strong>Latin binomial<\/strong>:&nbsp;<em>Tetranychus<\/em>&nbsp;spp. including twospotted spider mite (<em>Tetranychus urticae<\/em>), strawberry spider mite (<em>Tetranychus turkestani<\/em>), and Pacific spider mite (<em>Tetranychus pacificus<\/em>)<br><strong>Host crops<\/strong>: Wide host range, including many vegetables such as bean,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/carrot\/#Spidermites\">carrot<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/spinach\/#mites\">spinach<\/a>,&nbsp;<a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/photo-gallery-of-vegetable-problems\/potato\/#Spidermites\">potato<\/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\n<figure class=\"wp-block-image size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/beet-spider-mite-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-1L-396x264.jpg\" alt=\"two-spotted spider mite on a table beet\" class=\"wp-image-662\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-1L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-1L.jpg 1024w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Severe two-spotted spider mite infestation in a table beet seed crop, with webbing, mites, and eggs on seed stalks.<br>\n<strong>Photo Source:<\/strong> Bev Gerdeman, WSU Entomologist\t<\/figcaption><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/twospotted-spider-mite-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/twospotted-spider-mite-1L.jpg\" alt=\"twospotted-spider-mite\" class=\"wp-image-554\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/twospotted-spider-mite-1L.jpg 800w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/twospotted-spider-mite-1L-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Eggs of the two-spotted spider mite,<i> Tetranychus urticae<\/i>.<br><strong>Photo Source: <\/strong>Silvia Rondon, Oregon State University<\/figcaption><\/figure><\/div>\n<\/div>\r\n\n\n<div class=\"wsu-column\"  style=\"\">\r\n\t\n\n<figure class=\"wp-block-image size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/beet-spider-mite-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-2L-396x201.jpg\" alt=\"two-spotted spider mite table beet seed crop\" class=\"wp-image-663\" width=\"198\" height=\"101\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-2L-396x201.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-2L.jpg 1024w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Severe two-spotted spider mite infestation in a table beet seed crop, with webbing, mites, and eggs on seed stalks.<br>\n<strong>Photo Source:<\/strong> Bev Gerdeman, WSU Entomologist\t<\/figcaption><\/figure>\n\n\n<div class=\"wp-block-image wsu-spacing-before--xxmedium\">\n<figure class=\"alignleft size-medium is-resized\"><a href=\"https:\/\/mtvernon.wsu.edu\/path_team\/spider-mite-eggs-1l-2\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/spider-mite-eggs-1L-1.jpg\" alt=\"Eggs of the two-spotted spider mite, Tetranychus urticae.\" class=\"wp-image-1192\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/spider-mite-eggs-1L-1.jpg 850w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/spider-mite-eggs-1L-1-396x297.jpg 396w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Eggs of the two-spotted spider mite,<i> Tetranychus urticae.<\/i><br><strong>Photo Source:<\/strong> Silvia Rondon, Oregon State University<\/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\/beet-spider-mite-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-3L-396x264.jpg\" alt=\"two-spotted spider mite and its eggs\" class=\"wp-image-664\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-3L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-3L.jpg 1024w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Severe two-spotted spider mite infestation in a table beet seed crop, with webbing, mites, and eggs on seed stalks.<br>\n<strong>Photo Source:<\/strong> Bev Gerdeman, WSU Entomologist\t<\/figcaption><\/figure>\n\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\/beet-spider-mite-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-4L-396x264.jpg\" alt=\"spider mite webbing\" class=\"wp-image-665\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-4L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-spider-mite-4L.jpg 1280w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Lower surface of a beet leaf showing stippling and webbing from two-spotted spider mite infestation.<br>\n<strong>Photo Source:<\/strong> Bev Gerdeman, WSU Entomologist\t<\/figcaption><\/figure>\n\n<\/div>\r\n\n<\/div>\n\n\n<p><strong>Online Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/pnwhandbooks.org\/insect\/vegetable-seed\/carrot\/carrot-seed-twospotted-spider-mite\">Carrot seed \u2013 Twospotted spider mite<\/a>. PNW Insect Management Handbook, Chapter: Vegetable Seed, Section: Carrot Seed.<\/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\/#Spidermites\">Diseases, pests, and other problems common to many vegetables: Spider mites<\/a>.<\/li>\n\n\n\n<li><a href=\"http:\/\/ipm.ucanr.edu\/PMG\/PESTNOTES\/pn7405.html\">Managing spider mites in gardens and landscapes<\/a>. University of California Online Statewide Integrated Pest Management Program.<\/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=\"AbioticProblems\">Abiotic Problems<\/h2>\n\n\n\n<h3 class=\"wp-block-heading  wsu-heading--style-marked wsu-heading--mark-color-vineyard\" id=\"HerbInj\">Herbicide Injury<\/h3>\n\n\n\n<p class=\"collapse_bottom wsu-max-width--hero\"><strong>Problem<\/strong>: Injury from application of specific herbicides to certain parent lines in seed crops, higher rates of application of some herbicides, or application of tank mixes (combinations) of some herbicides.<br><strong>Crops affected<\/strong>: Some table beet and Swiss chard parent lines are more sensitive than others to injury by specific herbicides, even when these products are applied at recommended (labeled) rates; or injury can occur when higher rates of certain herbicides are applied to beet and chard crops; or injury may occur when certain herbicides are applied in tank-mix combinations.<\/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\/beet-herbicide-injury-1l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-1L-396x264.jpg\" alt=\"Damage to the new growth of a table beet\" class=\"wp-image-667\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-1L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-1L.jpg 1280w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Damage to the new growth of a female inbred line in a hybrid table beet seed crop associated with application of a combination of herbicides.<br><strong>Photo Source:<\/strong> Tim Miller, 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\/beet-herbicide-injury-2l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-2L-396x264.jpg\" alt=\"Herbicide injury to beet\" class=\"wp-image-668\" width=\"198\" height=\"132\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-2L-396x264.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-2L.jpg 1280w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Damage to the new growth of a female inbred line in a hybrid table beet seed crop associated with application of a combination of herbicides.<br><strong>Photo Source:<\/strong> Tim Miller, 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\/beet-herbicide-injury-3l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-3L-396x297.jpg\" alt=\"Herbicide Injury to a beet plant\" class=\"wp-image-669\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-3L-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-3L.jpg 1280w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Damage to the new growth of plants in an open-pollinated table beet seed crop observed in May 2016 following application of a high rate of the herbicide Nortron (active ingredient ethofumesate).<br><strong>Photo Source:<\/strong> Lindsey du Toit, 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\/beet-herbicide-injury-4l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-4L-396x297.jpg\" alt=\"Herbicide Injury of a beet plant in a field\" class=\"wp-image-670\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-4L-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-4L.jpg 1280w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Damage to the new growth of plants in an open-pollinated table beet seed crop observed in May 2016 following application of a high rate of the herbicide Nortron (active ingredient ethofumesate).<br><strong>Photo Source:<\/strong> Lindsey du Toit, Washington 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\/beet-herbicide-injury-5l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-5L-396x297.jpg\" alt=\"Herbicide Injury\" class=\"wp-image-671\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-5L-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-5L.jpg 1280w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Damage to the new growth of plants in an open-pollinated table beet seed crop observed in May 2016 following application of a high rate of the herbicide Nortron (active ingredient ethofumesate).<br><strong>Photo Source:<\/strong> Lindsey du Toit, 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\/beet-herbicide-injury-6l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-6L-396x297.jpg\" alt=\"Herbicide Injury problem\" class=\"wp-image-672\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-6L-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-6L.jpg 1280w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Damage to the new growth of plants in an open-pollinated table beet seed crop observed in May 2016 following application of a high rate of the herbicide Nortron (active ingredient ethofumesate).<br><strong>Photo Source:<\/strong> Lindsey du Toit, 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\/beet-herbicide-injury-7l\/\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-7L-396x297.jpg\" alt=\"close up view of Herbicide Injury\" class=\"wp-image-673\" width=\"198\" height=\"149\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-7L-396x297.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/31\/beet-herbicide-injury-7L.jpg 1280w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/a><figcaption class=\"wp-element-caption\">Damage to the new growth of plants in an open-pollinated table beet seed crop observed in May 2016 following application of a high rate of the herbicide Nortron (active ingredient ethofumesate).<br><strong>Photo Source:<\/strong> Lindsey du Toit, Washington 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<\/div>\n\n\n<p><strong>Online Resources<\/strong>:<\/p>\n\n\n\n<ul>\n<li><a href=\"http:\/\/herbicidesymptoms.ipm.ucanr.edu\/\">Herbicide Symptoms<\/a>, University of California, Division of Agriculture and Natural Resources<\/li>\n\n\n\n<li><a href=\"https:\/\/s3.wp.wsu.edu\/uploads\/sites\/2723\/2021\/06\/Hcide-modes-of-action-and-symptoms-on-plants-R-Smith-UCCE.pdf\">Herbicide Modes and Action and Symptoms on Plants (pdf)<\/a>, Richard Smith, Farm Advisor, University of California Cooperative 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<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\n<b><div style=\"border: 1px solid gray;margin-right: auto;margin-left: auto;width: 850px;padding: 8px;margin-top: 25px\"><span style=\"font-size: 9pt\">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. <\/span><\/div><\/b>\n\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\/beet\/#Insect\/Mite Pests&quot; style=&quot;in-page-action&quot; ][action label=&quot;Abiotic Problems&quot; link=&quot;https:\/\/stage.web.wsu.edu\/path-team\/photo-gallery-of-vegetable-problems\/beet\/#Abiotic Problems&quot; style=&quot;in-page-action&quot; ]Phoma leaf spot and root rot Powdery mildew Ramularia leaf spotRhizoctonia basal petiole and crown infection Rust Scab Insect\/Mite PestsAphids Beet leafminer CutwormsRoot&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\/92"}],"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=92"}],"version-history":[{"count":17,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/pages\/92\/revisions"}],"predecessor-version":[{"id":8172,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/pages\/92\/revisions\/8172"}],"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=92"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/categories?post=92"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mtvernon.wsu.edu\/path_team\/wp-json\/wp\/v2\/tags?post=92"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}