Discuss three levels of IPM.

Levels of IPM :

Food drives these systems, when you kill pests, you are killing the food or host of beneficial insects. Even seemingly safe pesticides may kill fungi on leaves that is a secondary food for some beneficials. Spray only if there is a pest problem! Repeated use of all classes of chemical poisons on your farm results in pest resistance to the poisons. The natural enemies of pests are also killed, or are starved away from the fields, and, therefore, do not have an equal chance to develop resistance as do the pests. Predators and parasites do not leave completely, _________ _____ __________ ____ ___ __________.
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