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In organic systems, insecticides are used as a tool of last resort… after all non-chemical approaches have been employed. They are not intended as the basis for insect management in these systems. This often puts the products at a disadvantage because they frequently work best on immature stages of pest's life cycle.
Many pest control products are listed at OMRI, (Organic Materials Research Institute) and are approved under the USDA National Organic Program but double check with you certifying agency before proceeding.
Organic insecticides have several problems or limitations compared to conventional insecticides, including:
Despite these limitations, organic growers have several good tools for insect management. Here is an overview:
In order to improve the efficacy of your organic insecticides:
Prepared by Scott Guiser, former Penn State Extension Educator
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