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Have you ever wondered how insecticides sold at various stores actually work? Why are there so many different types of products in the market?
The simplest answer is that insecticides have a variety of modes of action and not all insecticides are suitable for the multitude insect pest species. While there are many different types of insecticidal formulations and packaging, there are four basic modes of action of organic and conventional insecticides, plus one separate category for insecticides with non-specific action. Below is brief description of each category. For detailed information, we strongly recommend readers to refer to the Insecticide Resistance Action Committee (IRAC) website that has very good educational materials for download.
For more details about individual IRAC Chemical Groups, visit www.irac-online.org. For Alabama Vegetable IPM recommendations please refer to the IPM guides available on Alabama Vegetable IPM.
Ayanava Majumdar, Extension Entomologist and
State SARE Program Coordinator, Auburn University
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