A: Both cyhalothrin and acetamiprid have good control effects on aphids, and some species of aphids are resistant to cyhalothrin. Low temperatures will affect the control of acetamiprid, and winter and spring should be applied at high temperatures. Both lambda cyhalothrin and acetamiprid did not absorb the conductivity. Pay attention to the amount of water sprayed.

In addition, the use of pymetrozine, nitenpyram, imidacloprid, omethoate, avermectin and other drugs can also be considered control aphids. Among them, pymetrozine and nitenpyram have good internal absorption conductivity, and have a long duration of validity. The aphids have low resistance to them and have a good prevention and treatment effect. They also have little damage to natural enemies such as spiders (predatory spiders can continue to effectively Control of locust occurrence, use of polyester pesticides to control aphids have a strong effect on the killing of spiders, so the amount of glutinous rebound in the field soon after application will be retaliatory rebound), when the use of other drugs is not ideal control effect can be given priority Use these drugs.

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