摘要
采有点滴法测定灭多威、辛硫磷及其混剂对棉铃虫的毒力,结果表明,灭多威与辛硫磷混配,各个配比均有增效作用,其中以1︰2.6(有效成分)的配比增效作用最大,毒性比率和共毒系数分别为1.58和151.41。田间试验表明,灭多威与辛硫磷的混剂对棉铃虫有较好的防治效果,室内结果在田间试验中得到验证。
The test to determine the toxicological effect of methomyl, phoxim and their mixtures on Heliothis armigera was performed by using topical application. The result showed that all mix-proportions at the dosage of available ingredient had remarkable synergetic effect and 1︰2.6 was the most remarkable, Its index of relative toxicity and co-toxicity coefficient were 1.58 and 151.41 respectively. It was found that the mixture gave better control effect against Heliothis armigera. The results got indoors have been testes in the open field.
出处
《江西植保》
2003年第1期11-13,共3页
Jiangxi Plant Protection
