冬季是病虫、病菌的休眠期,这时病虫比较集中,是防治病虫的最好时机。搞好冬季果树病虫防治,可将翌年果树虫情,病情指数压得很低,起到事半功倍的效果。具体方法如下。 1.清扫落叶。苹果、梨、葡萄等树的病菌,大都藏入土壤中过冬,来年成为新的病菌源。因此,扫除落叶,用作沤肥或烧柴,就可以减轻病虫害。 2.修剪灭病虫。冬季果树叶已全部掉落,能够剪出合理株 Winter is a pest, the dormant period of germs, pests and diseases at this time more concentrated, is the best time to control pests. Doing a good job in winter pest control pests, insects can be the following year, the disease index is very low, play a multiplier effect. Specific methods are as follows. 1. Sweep the leaves. Pathogens such as apples, pears and grapes are mostly stored in the soil for winter and become a new source of germs in the coming year. Therefore, the removal of fallen leaves, used as fertilizer or firewood, you can reduce pests and diseases. 2. Pruning pests. Winter fruit leaves have all fallen, able to cut a reasonable strain