论文部分内容阅读
近年来,上海郊区黑尾叶蝉发生数量有较大幅度上升,除直接造成为害外,更主要的是传播矮缩病,给水稻生产带来一定影响。针对这一问题,从1972～73年,我们和上海县顓桥公社,奉贤县胡桥公社,金山县廊下公社,青浦县白鹤公社、朱家角公社,川沙县六里公社,崇明县海桥公社,上海市东风农场等地广大贫下中农、农场职工和科技人员一起,选用了以速灭威、混灭威为主的十几种农药,对黑尾叶蝉进行田间和室内试验。田间试验面积,速灭
In recent years, the number of black-leafhoppers in the suburbs of Shanghai has risen by a large margin. In addition to causing direct damage, the more important thing is the spread of dwarf diseases, which has a certain impact on rice production. In response to this problem, from 1972 to 1973, we worked with Shanghai Zhuanqiao Commune, Fengxian County Huqiao Commune, Jinshan County Langxia Commune, Qingpu County Baihe Commune, Zhujiajiao Commune, Chuansha County Liuli Commune, Chongming County Haiqiao Commune, Shanghai Dongfeng Farm and other places in the vast majority of poor and middle peasants, farm workers and scientific and technical personnel together, to speed off Viagra, get rid of Wei dominated a dozen pesticides on the black-tailed leafhopper field and laboratory tests. Field test area, speed off