Question

 

How do insect growth regulators (IGRs) function as insecticides? What role do enzyme inhibitors play in the action of pesticides?

04 Sep 2025
Answer :
Word Count : 250
Insect growth regulators (IGRs) function as insecticides by interfering with the normal growth, development, and reproduction of insects rather than causing immediate mortality. They act by mimicking or blocking insect hormones, particularly juvenile hormone (JH) and ecdysone, which regulate molting and metamorphosis. Juvenile hormone analogs maintain the insect in an immature stage, preventing metamorphosis into a reproductively mature adult, while ecdysone inhibitors _______ _________ _______ ____ __________ _______.
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