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桔子树病虫害防治方法有哪些

更新时间: 2020-05-31 00:00:00     

1、严格执行检疫的制度,防止病苗与病接穗和传播病源的昆虫进入;

2、建立无病苗圃,选用无病母树做繁殖材料,种植无病苗木;

3、加强果园土、肥、水的管理,增强树势,从根源上提高抗病力;

4、防治传病昆虫,每次嫩梢抽发期用80%敌敌畏乳油或40%氧化乐果等有机磷农药喷杀;

5、及时发现病株,挖除并烧毁。

关键词: 桔子 树病 虫害 防治 方法 哪些

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