It is necessary to combine the different insect states of the dried pests at different times to use the medicine, and take appropriate methods.
In spring, the larvae are active in the tree, and a cotton ball can be dipped in a little 80% dichlorvos emulsifiable concentrate to make a poison swab and stuffed into the penultimate 1 or 2nd fecal hole, and immediately seal all the fecal holes with wet mud to achieve the effect of fumigation and insecticide.
During the occurrence period of adult worms in summer, chlorpyrifos, chlorcyn, chlorpyrifos, cypermethrin, thiamethoxam, bifenthrin and other insecticides should be sprayed and controlled alternately in the trunk according to the required ratio, and attention should be paid to spraying thoroughly, especially the epidermal tissue and leaves of young shoots.
In the oviposition stage of the adult worms, infusion and spraying can be used at the same time for control, or directly hammer the oviposition site.
In autumn, the plant roots will enter the second peak growth period, and the absorption capacity is strong, and the roots can be irrigated by applying phosphine, chlorpyrifos, thiamethoxam and other agents through the root system, and the agent is diluted 1000-1200 times to irrigate the roots.
How to control fruit tree boring pests is introduced here, I hope it will be helpful to everyone. If you want to buy high-quality and high-yield fruit trees, you can download the seed bank App, and the country's excellent fruit tree varieties are available for everyone to choose.
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