２０％灭多威乳油防治棉铃虫２０％灭多威乳油１０００倍液药后３天校正防效为７５．２％～９２．２％；药后７天校正防效为７６．２％～７９．５％。保花蕾率药后３天为６４．７％～９３．０％；７天为３２．９％～６０．６％。两者均高于久效磷和来福灵。灭多威１５００... 20% methomyl cream control cotton bollworm 20% methomyl EC 1000 times 3 days after the drug solution, the control effect was 75.2% ~ 92.2%; 7 days after the drug correction effect was 76.2% ~ 79 .5%. Paul flower bud rate three days after drug was 64.7% ~ 93.0%; 7 days was 32.9% ~ 60.6%. Both were higher than monocrotophos and leflunin. Methomyl 1500 ...