Fruit diseases and pests can seriously affect the yield and quality of fruits. In the autumn, the pests that eliminate fruit trees can receive more effective results. There are mainly the following methods for exterminating fruit trees in autumn:

Trapping and killing pests use insect pests to select the sites for wintering. After the fall, they are tied with grass or broken sacks on large branches of fruit trees to trap pests and larvae for overwintering and then concentrate on killing. According to the survey, this method has an effect of collecting 47% to 78% of apple and pear borerworms, and it is also very good for spider mites, red spider mites, spiny leaf miners, leaf roller moths, and leaf roller moths. The trapping effect, especially when the density of overwintering worms was greater in the year, was more pronounced.

The removal of fallen leaves in autumn and winter, combined with pruning to remove the diseased shoots and insect shoots, and the removal of weeds and litter from the orchard and the surrounding litters, can eliminate a large number of overwintering pests.

Plowing in garden fields is not only an important measure to improve the soil and promote fruit production, but also an effective method to eliminate overwintering pests. Through ploughing, the deep soil pests and pathogens can be turned to the surface and frozen to death, dry or eaten by natural enemies, so that buried insects can not be feathered and suffocated, thereby reducing the overwintering base.

Pharmacy prevention and control of autumn is the peak period of fruit tree branches such as peaches, plums, apricots, apples, etc. If damage is found on fruit tree trunks, the poisonous swabs can be removed after the excrement is removed, and the holes are closed with slime; it is also possible to inject a large amount of 80% dichlorvos-emulsion 1500 times directly into the hole, and then seal the hole with slime; The shallower parts of the larvae can be digged, smashed, and assassinated by wire. In the deciduous dormancy period of fruit trees, spraying 1 to 2 times of Baume sulfur mixture at 5 degrees, etc., and various scale insects, red spiders and apple rot disease, pear tree scab, and grape black spot disease, etc., which damage fruit trees. Has a significant control effect.

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