Ethan Grundberg, (Cornell’s Eastern New York Commercial Horticulture Program), presented best practices, explained the USDA National Organic Program and Organic Materials Review Institute, and provided an overview of commonly used applications including Bacillus thuringiensis, neem, pyrethrins, and spinosads. This is the second slideshow presented in the Organic Pesticide Basics / Fundamentos de los Pesticidas Orgánicos webinar recording.