论文部分内容阅读
试验结果表明,辉丰菊酯防治麦蚜速效性较好,残效期较长,每667m~2用量20~30ml 药后1d 防效82%以上,药后14d 防效达91%以上。
The results showed that the fast-acting pest was better and the residual period was longer. The anti-effervescent effect was more than 82% 1d after 20 ~ 30ml dosage of 667m ~ 2 and over 91% after 14 days.