Sometimes, as a result of prolonged use of pesticides in the fields, a sharp increase in the number of insect pests is observed

Sometimes, as a result of prolonged use of pesticides in the fields, a sharp increase in the number of insect pests is observed. Name 3 reasons for their growth.

1) After chemical treatment of fields, individuals of pests survive, the genotype of which is resistant to pesticides. 2) Pesticides destroy the natural enemies of insect pests – insectivorous birds, insectivorous mammals and competitors. 3) The surviving individuals multiply intensively due to the abundance of food, the absence of competitors and natural enemies.

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