我站从1986年开始对柑桔重要害虫矢尖蚧的发生规律,在柑桔上的分布部位以及药剂防治应用技术进行了探讨,提出“准确掌握防治最适时期,以树冠中下部为重点,集中狠治第一代,压低虫源基数,控制二代,减轻三代为害”的有效防治措施,具体要点如下: 综合4年调查材料表明,幼蚧抗药力弱,特别是第一代幼蚧发生较为整齐,所以必须准确掌握第一代幼蚧盛发期,调查方法是:每年从4月中下旬开始,剪取带有越冬代虫态的枝条,放置在盛有水的瓶中逐日观察,查到 Starting from 1986, I started to study the occurrence rules of important insects, Agrimony, Agaricus citri, the distributing parts in citrus and the application of pesticides. I put forward that “the most appropriate period for prevention and control should be accurately grasped, Focus on ruthlessly cure the first generation, reduce the base of insect population, control the second generation and reduce the harm of the third generation. ”The specific points are as follows: The comprehensive survey data for 4 years shows that the resistance of young scale is weak, especially the first generation of young scale Occur more neat, so you must accurately grasp the first generation of juveniles flourishing period, the survey method is: every year from the beginning of late April, cut with the overwintering on behalf of the insect state of the branches, placed in water bottles observed daily , Found