This article summarizes publicly available data on efficacy of commercially available, EPA-registered biochemical biopesticides for plant disease control. For a more detailed introduction see the related eOrganic article Biopesticides for Plant Disease Management in Organic Farming. At the time of writing, these products were allowed for use on organic farms. However, products and their status for use on organic farms change, so before using any of these products, be sure to (1) read the label to assure that the product is labeled for the crop you intend to apply it to and the disease you intend to control, (2) read and understand the safety precautions and application restrictions, and (3) make sure that the brand name product is listed in your Organic System Plan, approved by your certifier AND registered for legal use in your state. For more information on how to determine whether a disease management product can be used on your farm, see the eOrganic article Can I Use this Product for Disease Management on my Organic Farm?
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