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“6711”是江苏省研制成功的新农药。我省临海县农科所今年作了药效试验,表明对二化螟和黑尾叶蝉有良好效果。他们于5月29日用50%6711乳剂3两/亩加水5担泼浇早稻广陆矮四号,于31日考查,二化螟虫死亡率为71.6%,于6月10日检查,枯心率在0.1%以下,而不施药的为2.1%。花园大队用500倍液防治晚稻秧田黑尾叶蝉成虫,12小时后虫口降低率为100%;东鲁屈家大队用1500倍液,24小时后成虫降低率为95—100%;农科所分别用500、
“6711” is a new pesticide successfully developed in Jiangsu Province. Linhai County Agricultural Science this year made a pharmacodynamic test, indicating that the rice stem borer and rice have a good effect. On May 29, they dumped 5 danglings of 5% / 6711 emulsion 3 / mu into Guanglu Dwarf No. 4 on May 29 and examined them on the 31st. The mortality of stem borers was 71.6%. On June 10, they were checked for heart rate Below 0.1% without application of 2.1%. The garden brigade used 500 times of liquid to control the adult rice leafhopper of late rice seedling. After 12 hours, the reduction rate of the insect population was 100%. The east Luqujia brigade used 1,500 times of liquid and the reduction rate of adult was 95-100% after 24 hours. Respectively, with 500,