一、农业的方法１选用抗、耐病优良丰产品种，且在播种前用强力精等药剂浸种。２降低过冬病虫源的基数：冬天，把大田四周和果园的杂草及带病虫害的各种寄主体清理干净，且用火烧尽；实行冬翻土，晒干或灌水浸泡。３实行轮作换茬：与非寄主不同作物品种轮作，可降低... First, the method of agriculture 1  selection of anti-disease and disease-resistant varieties of good yield, and sowing before using strong extract such as fine chemicals. 2  reduce the base of winter pest source: In winter, the field around the orchard and weeds and pests and diseases with a variety of host clean up, and burn with fire; the implementation of winter soil, dried or immersed in water. 3  implementation of crop rotation cropping: rotation with different host varieties of non-host can reduce ...