论文部分内容阅读
田间试验结果表明 ,2 5%高氯·辛微乳剂对棉铃虫和菜青虫具有较好的防治效果。用 10 0 0~ 150 0倍液防治棉铃虫 ,药后 5d防效和保蕾效果分别达 79%和 74 %以上 ;用 10 0 0~ 2 0 0 0倍液防治菜青虫 ,药后 7d防效达 94 %以上。与氯氰菊酯和高效氯氰菊酯的防效相当 ,优于常规农药辛硫磷。
Field experiments showed that 25% high-chlorine micro-microemulsions had good control effects on cotton bollworm and cabbage worm. The bollworm was treated with 10 0 ~ 150 0 times, and the control effect and boll protection effect reached 79% and 74% respectively after 5 days. The cabbage worm was controlled with 10 000 ~ 200 times, Effective up to 94%. And cypermethrin and beta-cypermethrin control effect is superior to the conventional pesticide phoxim.