In order to reduce the pests and diseases of pears, reduce pesticide pollution, and improve the appearance quality of fruits, it is very important to pack pears. We should pay attention to the following seven points when bagging:
　　 1. During the whole bagging process, do not touch the young fruit with your hands to prevent artificial peeling of the peel.
　　 2 , tying the elastic should be appropriate, do not use too much force, to prevent damage to the fruit stalk, or tied the wire too tight to affect the growth of the fruit, or too loose and cause the fruit to fall off when the wind.
　　 3 , the mouth of the bag can not be tied into a bell mouth, in order to prevent rain, drug inflow or pests into the bag, do not put the leaves into the bag.
　　 4. When bagging, the ventilation drain should be opened and the fruit must be in the middle of the bag.
　　 5 , in the bagging period when the rain or the drug is not finished 5 days after the drug , should be carefully sprayed.
　　 6. If the dew is not dry or the liquid is not dry, the bag cannot be bagged, otherwise the surface of the fruit is prone to black spots and fruit rust.
　　 7. Bagging trees should choose the moderate tree in the fruiting period. Do not choose old weak trees, virtual trees, pest trees, fengkou trees, and small old trees.
Source: Shanxi Farmers Daily  Chen Yingbang
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