论文部分内容阅读
春季清园可以有效预防和消灭越冬的病虫害,减少病虫害发生的基数;可以补充树体营养,促进萌芽、开花、结果,还能预防倒春寒的发生。1.清扫果园。清扫果园枯枝、落叶、病果、虫果、杂草、废弃果袋和杂物等,并集中深埋或烧毁,消灭其中潜藏越冬的病虫。2.剪除病虫枝。对病虫死枝要及时剪除,拿到园外,集中烧毁。对预防苹果腐烂病、干腐病、白粉病、炭疽病病
Spring Park can effectively prevent and eliminate overwintering pests and diseases, reducing the base of pests and diseases; can supplement the tree nutrition, promote germination, flowering, the results, but also prevent the occurrence of late spring cold. Clean the orchard Sweeping the orchard dead branches, deciduous leaves, diseases and fruit, fruit, weeds, fruit bags and debris, etc., and concentrated in the deep burned or burned, eliminating which lurking pest insects. 2. Cut off the worm sticks. Dead branches on the pests should be promptly cut off, get outside the park, concentrated burned. To prevent apple rot disease, dry rot, powdery mildew, anthrax disease