7种杀虫剂防治甘蓝蚜虫田间药效试验

摘要

对7种杀虫剂防治甘蓝蚜虫的田间防治效果进行了研究,结果表明：7种制剂对甘蓝蚜虫均具有较好的控制效果,药后1d防效为70.62%～84.80%,药后7d、14d防效均在90%以上。%The result of field trials showed that 7 kinds of Insecicide had good effect for controlling R. Lipaphis erysimi, the efficacy was 70.62% -84.80% after 1 days, the efficacy were more than 90% after 7 and 14 days.