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1198-1989年5、10月,我们与有关高等院校、科研生产单位协作,用我国生产的6种生物农药,防治甘蓝、花椰菜上的青虫,并与速灭杀丁对照,进行了田间药效筛选试验,结果如下:
1198 - In May and October 1989, in collaboration with relevant institutions of higher learning and scientific research and production units, we used 6 kinds of biological pesticides produced in our country to control the caterpillars on cabbage and broccoli. Screening test results are as follows: