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COVID-19 Advisory. WSU Extension is working to keep our communities safe. All Extension programming is being provided virtually, postponed or canceled. Effective March 16, 2020, WSU Extension county offices and WSU Research & Extension Centers will be closed to the public. We are available via email, phone and webconference.

Standing events and work parties may be impacted by this closure; please contact the event organizer if you have questions.

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September 2020

Lunch & Learn | Preplant to replant: Fumigation in red raspberry / Fungicide resistance and proper rotation

September 30 @ 11:00 am - 12:00 pm

Preplant to replant: Fumigation in red raspberry Presented by Lisa DeVetter. Fumigation is a widely implemented practice to manage soil borne diseases and parasitic nematodes in the Washington red raspberry system. This presentation will provide an overview of fumigation in the raspberry system and research done to improve management of key soil borne pathogens with an emphasis on pre-plant management decisions. Fungicide resistance and proper rotation Presented by Anthony Keinath. Discussion of fungicide active ingredients by FRAC Code and managing…

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October 2020

Lunch & Learn | Introduction to small fruit lepidoptera / Strategies for controlling lepidoptera in small fruit

October 7 @ 11:00 am - 12:00 pm

Introduction to small fruit lepidoptera / Strategies for controlling lepidoptera in small fruit Presented by Ben Diehl and Bev Gerdeman. Small fruit are hosts for multiple pests including many lepidoptera. Damage may be direct/berries or indirect/foliar and larvae can contaminate harvest. This program will highlight their life cycles and biology and best approaches to control them. We will discuss insecticide applications and the potential for mating disruption in small fruit as a future tactic. You will need to register to…

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Lunch & Learn | Know your weeds: Scotch broom and blackberry / Pesticide transport in soil water

October 14 @ 11:00 am - 12:00 pm

Know your weeds: Scotch broom and blackberry Presented by Steven Seefeldt. Where did these weeds come from and what are they doing on our farms? Learn about their biology and ecology while getting information on how to control them using old and new technologies. Pesticide transport in soil water Presented by Gabe LaHue. Implications of soil properties, soil-water relations, and subsurface water flows for pesticide fate and transport. You will need to register to receive a link to attend the…

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Lunch & Learn | Controlling latent infections of black dot with early fungicide applications / Using all the tools in the Fusarium management toolbox

October 21 @ 11:00 am - 12:00 pm

Controlling latent infections of black dot with early fungicide applications Presented by Lydia Tymon. Colletotrichum coccodes causes black dot, which can lead to reduced tuber yield and quality. Although this disease has been studied for many years, black dot continues to be a challenge to manage because the fungus can infect its hosts without causing symptoms. Chemical management tactics such as fumigation and in furrow applications have been shown to be ineffective. Applications of azoxystrobin prior to infection can significantly…

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Close-ups of diseased chard flank agar plate with live culture; two women stand next to text plot.

Lunch & Learn | Epidemiology and integrated management of bacterial leaf spot caused by Pseudomonas syringae pv. aptata in table beet and Swiss chard seed production in the Pacific Northwest

October 28 @ 12:00 pm - 1:00 pm

Epidemiology and integrated management of bacterial leaf spot caused by Pseudomonas syringae pv. aptata in table beet and Swiss chard seed production in the Pacific Northwest Presented by Marilen Nampijja and Stephanie Crane. Bacterial leaf spot (BLS) of beet and Swiss chard (Beta vulgaris subsp. vulgaris) is caused by the bacterial pathogen Pseudomonas syringae pv. aptata (Psa). The bacterium can cause significant economic losses in Swiss chard, table beet, and sugar beet. In 2017 alone, the incidence of BLS in…

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November 2020

Lunch & Learn | Predicting and managing the impacts of invasive insects

November 4 @ 11:00 am - 12:00 pm

Predicting and managing the impacts of invasive insects Presented by Patrick Tobin. Expansion of global trade and trade has facilitated the arrival and subsequent establishment of nonnative insects. Forest ecosystems are especially threatened by non-native insects due to the worldwide importance of solid wood packaging material used in global trade, the importation of lumber and wood products, and the importation of live trees for planting, all of which provide a mechanism on which an insect can 'hitchhike.' Fortunately, of the…

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