The emergence of diamondback moth has seriously affected the growth of crops. Pesticides such as insect growth regulators have been used to completely eliminate the diamondback moth. One can use 10.8% pyriproxyfen EC spray 800 ~ 1500 times; two can use 5% chlorfluazuron EC 30 ~ 60 ml watered 30 kg spray; three can be used 5% A-dimensional salt water dispersant granules 5 grams Water 30 pounds sprayed; four available 6% avermectin suspension agent 30 to 50 ml per mu, watered 60 to 90 pounds, control effect for up to 15 days.
The above types of pesticides should be selected flexibly according to the actual situation in each region. One should pay attention to the use of drugs during the high period; the second should be applied during the low-age of the larvae; and the third should be cross-administration, and one species of pesticide should not be used frequently.
YT-H711
YT-H711
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