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Integrated Clubroot Management Strategies for Brassica Crops

Join eOrganic for a webinar on clubroot management! The webinar will take place on February 15, 2017 at 2PM Eastern Time, 1PM Central, 12PM Mountain, 11AM Pacific Time. It's free and open to the public, and advance registration is required. Presenters are Aaron Heinrich and Alex Stone of Oregon State University.

Register now at: https://attendee.gotowebinar.com/register/4636044978955220481

About the webinar

Clubroot is a major soilborne disease of brassica crops worldwide (causal organism, Plasmodiophora brassicae), and disease incidence and severity have been increasing on lon-term organic farms in western Oregon. The disease occurs on most brassica family crops including broccoli, cabbage, cauliflower, turnip, rutabaga, and kale. In severe cases it can cause significant crop losses and heavily infested fields may be taken out of production. Thick walled resting spores of the pathogen have been shown to remain viable in soil for up to 20 years, making it difficult to eliminate the pathogen from an infested field. Therefore, once pathogen populations have developed to levels that cause economically damaging clubbing, the goal of the farmer is to manage rather than eradicate the disease. In this webinar we will explore the life-cycle of clubroot, environmental factors influence disease incidence and severity, prevention measures to minimize between field and in-field spread, and management strategies to reduce crop damage. Particular attention will be focused on soil pH management using lime because implementing an effective clubroot liming program is more challenging than liming for crop production.

About the Presenters

Aaron Heinrich is a Faculty Research Assistant in the Department of Horticulture at Oregon State University. He has an M.S. in Soils and Biogeochemistry from University of California at Davis and works on vegetable crop production issues including soil pH, nutrient, weed, irrigation, and soilborne disease management.

Alex Stone is a Vegetable Cropping Systems Specialist at the Oregon State University Department of Horticulture. She formerly worked as an organic vegetable farmer in Massachussetts.

System Requirements

View detailed system requirements here. Please connect to the webinar 10 minutes in advance, as the webinar program will require you to download software. To test your connection in advance, go here. You can either listen via your computer speakers or call in by phone (toll call). Java needs to be installed and working on your computer to join the webinar. If you are running Mac OSU with Safari, please test your Java at http://java.com/en/download/testjava.jsp prior to joining the webinar, and if it isn't working, try Firefox or Chrome.


http://articles.extension.org/...sica-crops

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This technology is supported in part by New Technologies for Agriculture Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture and membership funding. Any opinions, findings, conclusions, or recommendations expressed in the content are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture. For more information, please visit extension.org. You can view the terms of useat extension.org/terms.

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