论文部分内容阅读
本刊从农业部有关方面获悉,一种严重影响蔬菜生产的毁灭性害虫——美洲斑潜蝇自1994年在海南省首次发现以来,在短短2年内,已经扩散到了12个省、自治区和直辖市,仅蔬菜发生的面积就达2000多万亩,占全国1.3亿亩蔬菜的1/6。据调查,该虫在我国的寄主植物多达22科110多种。除危害黄瓜、番
The magazine from the Ministry of Agriculture was informed that a devastating pest that seriously affect the vegetable production - the leaf plum leaf in Hainan Province since 1994 was first discovered in just two years, has spread to 12 provinces and autonomous regions and Municipalities directly under the Central Government, only vegetable area reached more than 2000 acres, accounting for 1/6 of the country’s 130 million mu of vegetables. According to the survey, the insect host plants in our country up to 22 more than 110 kinds. In addition to hazardous cucumber, Fan