Integrated Disease Management on New Virginia-Type Peanut Cultivars


North Carolina State University

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North Carolina


North Carolina

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The cultivars Bailey and Sugg were the first virginia-type cultivars to have resistance to several peanut diseases that are important in North Carolina and Virginia. These releases have been followed by the release of Sullivan, Wynne, and Spain. Previous work has clearly shown that Bailey and Sugg can be grown with reduced inputs for leaf spot and stem rot control, but integrated disease management practices have not been tested on the more recently released cultivars. The purpose of this research was to evaluate disease development and yield of new cultivars under five management regimes. This project will allow North Carolina peanut growers to pick the best approach for integrated disease management on currently available cultivars. This project is expected to lead to reduced inputs for disease management on some cultivars. Specifically, integrated management on partially resistant cultivars may reduce use of fungicides for leaf spot, stem rot, CBR, and Sclerotinia blight control without reductions in yield. 

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