Fruit trees spraying pesticides note several times
2021-03-27 15:04:04
In order to improve the yield and quality of fruits, reduce the number of spraying of pesticides, and increase the years of tree growth, the following key periods are mainly grasped in the prevention of pests and diseases. The first is the period of significant swelling of the buds, namely the light rod medicine. During this period, spray high-concentration fungicides with insecticides and spray them under trees and trees. It mainly controls a variety of overwintering germs and pests. The second is to spray buds with higher concentrations of fungicides and insecticides to prevent and control flower rot. The third is to spray fungicide and insecticide one week after flowering, mainly to prevent a variety of diseases and aphids, spider mites, pear hibiscus and so on. The fourth is to spray the bactericidal agents and insecticides at higher concentrations before defoliation after the fruit picking to eliminate the overwintering pests and reduce the second year’s damage.
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