How to control Robinia pseudoacacia moth?
The control methods of Robinia pseudoacacia moth are as follows: first, light traps and kills adults. Second, protect and utilize natural enemies, such as cocoon wasps. Third, spray 50% fenitrothion EC 1000 to 1500 times, 2.5% deltamethrin EC 2000 to 3000 times, or 90% trichlorfon crystals 800 to 2000 times and other insecticides.
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How to control locust aphids?
The control methods of Robinia pseudoacacia aphids are as follows: first, protect natural enemies such as ladybugs, aphid flies, lacewings and aphid cocoon wasps. Second, strengthen the pest situation prediction, when it is found that the number of winged aphids has increased suddenly, and the rate of aphids is up to 20% to 30%, it should be sprayed in time, such as when the proportion of ladyaphids reaches 1: 100, the number of aphids has a downward trend, stop spraying control and protect natural enemies. 3. Spray 50% aphid spray wettable powder 1500 times, imidacloprid 10% wettable powder 1500 times, or spray EB-82 to kill aphids 300 times
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How to control Robinia pseudoacacia diamondback moth?
The control methods of Robinia pseudoacacia Spodoptera litura (Spodoptera litura) are as follows: first, light traps and kills adults. Second, after the larvae enter the soil or before the adult Eclosion, the larvae and pupae can be dug as appropriate. Or 25% phoxim is sprayed on the ground to kill pupae of insects in the soil. Or drop irrigation. Remove weeds, dead branches and leaves on the ground before using cool drugs. After the medicine, mix the soil well with a hoe to improve the control effect. Third, spray Bt emulsion containing more than 100 billion spores per milliliter or 1000 times of trichlorfon crystal during larval occurrence.
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