| 噻虫嗪对B型烟粉虱成虫的毒力及田间药效试验 |
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| 引用本文： | 徐宝云,肖利锋,吴青君,张友军,朱国仁.噻虫嗪对B型烟粉虱成虫的毒力及田间药效试验[J].中国蔬菜,2005,1(3):14-15. |
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| 作者姓名： | 徐宝云 肖利锋 吴青君 张友军 朱国仁 |
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| 作者单位： | 中国农业科学院蔬菜花卉研究所; |
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| 基金项目： | 中央级科研院所社会公益研究专项 ( 2003DIA6N003 )，农业部“948”重大项目(2003-Z69)资助 |
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| 摘 要： | 室内毒力测定及田间药效试验结果表明, 25 %噻虫嗪水分散粒剂对B型烟粉虱成虫的生物活性高,为毒死蜱的269. 09倍。田间喷雾对黄瓜上烟粉虱成虫有优良的防效,药后第3天的防效为95. 39 %,持效期10d以上。用该制剂防治烟粉虱田间喷雾以5 000~6 000倍稀释液为宜。
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| 关 键 词： | 噻虫嗪 B型烟粉虱 毒力 防治效果 |
| 收稿时间： | 2004-02-10; |
| 修稿时间： | 2004年2月10日 |
Toxicity and Controlling Effect of Thiamethoxam against Bemisia tabaci B-biotype |
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| Xu Baoyun,Xiao Lifeng,Wu Qingjun,et al..Toxicity and Controlling Effect of Thiamethoxam against Bemisia tabaci B-biotype[J].China Vegetables,2005,1(3):14-15. |
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| Authors: | Xu Baoyun Xiao Lifeng Wu Qingjun |
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| Institution: | Institue of Vegetable and Flowers; Chinese Academy of Agricultural Sciences; Beijing 100081 |
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| Abstract: | Both foliar spray in laboratory and field trails were conducted to evaluate the effect of thiamethoxam 25 % WG against adults of Bemisia tabaci B-biotype on cucumber seedlings. The laboratory bioassay indicated that the activity of thiamethoxam was 290-fold as much as chlopyrifos, and the results in field trials showed that the controlling effects reached 95.39 % in 3 days. The suitable dosage concentration was 1∶5 000-6 000 dilution for foliar spray. |
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| Keywords: | Thiamethoxam Bemisia tabaci B-biotype Toxicity Controlling effect |
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