The main pests of peach trees are peach aphid, peach whitefly and peach aphid. Among them, peach aphid is the most common hazard.
In the 10th to 20th generation of the year, the green peach aphid breeds miscellaneous foods. In winter, it eggs in buds, branch gaps and branches of branches, wintering, and the eggs begin to hatch in the next year. The clusters damage on the buds, and they are transferred after flowering and spreading. Hazardous flowers and leaves are bred by parthenogenetic reproduction during this hazardous period. The back of the victim's leaf curls, causing a large number of falling flowers and leaves. The winter peach production has caused a certain impact.
Control methods:
1. Remove weeds from orchards in the winter, scrape off old bark, and spray 5 degrees lime sulfur before sprouting to kill aphids overwinter eggs.
2, after the Xiehua, spray once a net 2000 times liquid or spray 5% high-quality liquid Chrysanthemum EC 2000 to 3000 times for control.
3, to protect the seven-star ladybugs, grasshoppers and other natural enemies. Try not to spray pesticides during the active period of natural enemies.
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