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冬季,果园防病治虫有许多好处:害虫越冬场所集中,便于消灭;果树处于休眠期,抗药力强;果树已落叶,喷药方便,着药均匀;省工省时,节省农药。——刮除老翘皮。梨小食心虫、山楂红蜘蛛、卷叶虫类等,常隐藏在果树的粗老翘皮中越冬,可在冬季将老翘皮刮除,集中烧毁,消灭虫源。
In winter, the orchard has many benefits for pest control: the pests are concentrated in the wintering places and are easy to eliminate; the fruit trees are in dormant period and strong resistance; the fruit trees have fallen leaves, the spraying is convenient and the medicines are even; the time and labor are saved, the pesticides are saved. - Scratch the old Alice skin. Pear Mung Beetles, hawthorn spider mites, leaf-roll insects, etc., often hidden in the rough old tree bark in the fruit wintering, in the winter will be scraping away the old warp, concentrated burned to eliminate the source of insects.