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冬季果树进入休眠阶段,危害果树的种种病虫害也以不同形式进入越冬期。潜伏场所一般固定而集中,抓紧在冬季清理果园,是消灭病虫来源,减轻病虫危害的有利时机。为此,应做好以下几件事:一、清扫果园。梨黑星病,葡萄的褐斑病、白腐病,一般都是藏在落叶和病果里过冬,第二年成为新的病源。果树害虫中,如葡萄浮尘子、盲蝽象等,也是藏在落叶里越
Winter fruit trees into the dormant stage, endangering the fruit trees all kinds of pests and diseases also entered the winter in different forms. Lying places generally fixed and concentrated, pay close attention to cleaning orchards in the winter, is to eliminate the source of pests and diseases, reduce pests and diseases of the favorable opportunity. To this end, should do the following things: First, clean the orchard. Pear scythes, brown spots of grapes, white rot, are generally hidden in the leaves and sick fruits in the winter, the second year to become a new source of disease. Pests in fruit trees, such as grape dust, lizards, etc., but also hidden in the leaves more