]*>","")" /> Determination of Toxicity to Aphis Gossypii by Organic Pesticide and Test of Pesticide Effects in Field
Xinjiang Agricultural Sciences

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Determination of Toxicity to Aphis Gossypii by Organic Pesticide and Test of Pesticide Effects in Field

GAO You-hua;YU Jiang-nan;WANG Hua   

  • Received:2011-02-25 Revised:2011-02-25 Online:2011-02-25 Published:2011-02-25

有机农药对棉蚜的毒力测定及田间药效试验

高有华;于江南;王华   

  1. 新疆农业大学农学院,乌鲁木齐,830052;新疆农业大学草业与环境科学学院,乌鲁木齐,830052





摘要： [目的]测定0.6;苦内酯水剂和1.5;除虫菊素水乳剂对棉蚜的防治效果,以用于有机棉田棉蚜的防治.[方法]室内试验测定0.6;苦内酯水剂和1.5;除虫菊素水乳剂对棉蚜的LD50和LC50,并进行田间防效测定.[结果]0.6;苦内酯水剂和1.5;除虫菊素水乳剂对棉蚜在处理24的LC50值分别为430.064 1和473.1395 mg/L;LD50值分别为0.0001和0.000 3 μg/g,[结论]田间药效试验表明1.5;除虫菊素水乳剂持效性较好,施药7 d后的防效为80.13;,0.6;苦内酯水剂的持效期较短药7 d后的防效为43.72;.