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谈谈冬季苹果树病虫害防治技术冬季苹果树落叶后进入休眠期，在此期间病虫害的特点是为害苹果树的各种病菌及害虫也都以不同形态、方式在隐蔽的场所潜伏越冬，越冬场所比较集中、稳定，因此易于集中消灭，而且方法简便，一劳多得。可达到减少病虫越冬基数，事半功倍的效益...
Talk about the winter apple tree pest control technology Apple trees fall into the dormant period in the winter, during which pests and diseases are characterized by various pathogenic bacteria and pests of apple trees are also different forms, ways hidden in the hidden places of winter, wintering places Concentrate, stable, so easy to eliminate, and the method is simple, get more. Can reduce the number of pests and diseases overwintering base, do more with less ...