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近年来,危害枣树的病虫害种类和数量都呈上升趋势,在生长季节进行化学防治确有必要。但化学防治投入大、费工多,还易造成农药残留,也与生产绿色果品的要求相悖。根据枣树病虫害的越冬特点,结合冬季管理,有的放矢地加以防治,可起到事半功倍的效果。
In recent years, the types and quantities of pests and diseases that endanger jujube trees are on the rise, and it is indeed necessary to carry out chemical control in the growing season. However, large-scale chemical prevention and control, labor-intensive, but also easily lead to pesticide residues, but also contrary to the requirements of the production of green fruits. According to jujube pests characteristics of winter, combined with winter management, targeted to be controlled, can play a multiplier effect.