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淡色库蚊DDVP抗性与酯酶活性的相关性
淡色库蚊 DDVP 酯酶 抗性
2009/2/26
目的检测抗DDVP品系各世代的抗性指数及蚊体内酯酶(esterase)的活性,探讨蚊虫抗性与酯酶的关系。方法生物测定法,微滴定板法。结果淡色库蚊经过43代选育,抗性指数达12.17倍,蚊体内非特异性酯酶(nonpecificesterase,NSE)的活力随世代增加抗性增高而增强。OD≥0.9的个体频率逐渐增高,与生物测试法基本一致。乙酰胆碱酯酶(AChE)的平均抑制率随世代的增加、抗性增高而变低...
Toxicity of Crude Neem Leaf Extract Against Housefly Musca domestica L. Adults as Compared With DDVP, Dichlorvos
Neem (Azadirachta indica) extract DDVP LD50 House fly (Musca domestica L.)
2010/3/31
Toxicity of neem extract in comparison with DDVP (Dichlorvos) was determined against the housefly ( Musca domestica L). Neem leaf extract was applied at 5, 10, 20, 40 and 80 microgram/fly and DDVP was...