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(一)消除残枝落叶。苹果的褐斑病,黄斑病,生梨的黑星病,葡萄的褐斑病,白腐病,桃树的褐斑病等病菌的越冬场所是残根落叶及杂草。对生梨的瘤蛾,苹果顶梢卷时蛾等形成的虫苞,虫巢,虫梢,应结合清园,冬季修剪,集中烧毁,以消灭越冬害虫。 (二)冬畈园地。冬天土壤深畈,可破土壤中各种害虫巢穴,在害虫卵巢,茧,蛹等畈到地表冻死,于死或被鸟类吃掉,随着深畈,各种病菌也可畈到土壤深层,可减少病虫害的
(A) eliminate residual leaves. Apple brown spots, maculosus, pears scab, grapes brown spots, white rot, peach brown spots and other pathogens overwintering places are the residual roots and weeds. Insect pests on the tumor moths, apple top roll when the formation of moths and other insect bract, insect nests, insect tips, should be combined with the Park, winter pruning, concentrated burned to eliminate overwintering pests. (Two) Dongliuyuan. Winter deep soil, can break all kinds of pests in the soil nests in the pests ovary, cocoon, pupae, etc. 畈 to the surface of the frozen to death or be eaten by birds, with the deep fry, all kinds of bacteria can also boil to the soil Deep, can reduce pests and diseases