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35%双扑乳油防治抗性棉铃虫效果研究
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摘要:
1993-1994年分别在安微濉溪、泗县、阜阳等地棉田进行“双扑”防治抗性棉铃虫试验。结果表明:35%“双扑”乳油对抗性棉铃虫幼虫有很强杀伤力,亩用60-75克稀释1000-2000倍,防效达85%以上,7天后残效大于75%,具有速效性和持效期长等特点,显著优于3种对照药剂。对棉蚜等常发害虫亦有很好兼治效果,对棉花安全无药害。
关键词:  双扑 棉铃虫 防治效果
DOI:
基金项目:
On the Field Effect of A Combined Insecticide Shuangpu against Resistant Cotton Bollworms
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Abstract:
Field trials were conducted to compare the effectiveness of a insecticide mixtureShuangpu with other three superior insecticides for the control of cotton bollworms(Heliothisarmigera)during 1993-1994.The results showed that the mixture Shuangpu had very sig-nificant synergistic effects to Heliothis armigera larvae,with a control effect of above 85%atthe dosage of 0.9-1.12kg/ha.In all cases,the control effect of Shuangpu was much moresuperior to that of other three insecticides tested.
Key words:  Shuangpu,Heliothis armigera,Synergistic effect

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