论文部分内容阅读
一、前言柑桔大实蝇,其危害程度在本地区目前暂次于瘤壁虱、矢尖蚧、桔褐天牛和柑桔潜叶蛾,局部地方造成毁灭性落果,位居魁首。黔南自治州地处贵州南部,紧邻广西,按全国气候类型属中亚热带湿润季风气候,冬暖夏热,水热资源丰富,具备适宜柑桔生长的良好条件,是省果树区划的重点发展地区。为了适应生产的发展,引导病虫防治,在1981-1983年的8月中旬至11月上旬,对检疫性害虫柑
I. INTRODUCTION Citrus Drosophila melanogaster has the most serious harm in the region. It is currently the first time in the region that it has the highest incidence of rufous ticks, sagittae, tangerine pests and citrus leafminers. Qiannan Autonomous Prefecture is located in the south of Guizhou, close to Guangxi. According to the climate type of the subtropical humid monsoon climate, the winter, warm summer and warm summer are rich in water and heat resources. It possesses favorable conditions for citrus growth and is the key development area of province fruit tree zoning. In order to adapt to the development of production, and guide pest control, in mid-August 1981 to 1983 to early November, the quarantine pest