| 20%毒死蜱微胶囊悬浮剂防治松墨天牛成虫药效试验 |
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| 引用本文： | 张梅秀,王小艺,蒲宏春,谢东黎,刘珩.20%毒死蜱微胶囊悬浮剂防治松墨天牛成虫药效试验[J].中国森林病虫,2011,30(1). |
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| 作者姓名： | 张梅秀 王小艺 蒲宏春 谢东黎 刘珩 |
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| 作者单位： | 1. 中方县林业局,湖南,中方,418000
2. 中国林业科学研究院森林生态环境与保护研究所,北京,100091 |
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| 基金项目： | 林业公益性行业科研专项项目(200904025)资助 |
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| 摘 要： | 以8%氯氰菊酯(绿色威雷)微胶囊悬浮剂为对照药剂,测定了20%毒死蜱微胶囊悬浮剂对松墨天牛成虫的防治效果。野外罩笼试验结果表明,药后1 d,毒死蜱500,400,300倍和8%氯氰菊酯300倍处理的松墨天牛成虫校正死亡率分别为60.13%,60.78%,73.63%和60.73%;药后第3天,各处理校正死亡率达83.92%~89.68%,处理之间差异不显著。罩笼试验的持效期可达15 d以上。野外原木材垛上的药效试验结果显示,药后第7天,毒死蜱600,300倍和8%氯氰菊酯300倍处理的防治效果依次为64.68%,63.12%和72.92%,处理间无明显差异。研究结果表明,20%毒死蜱微胶囊悬浮剂对松墨天牛成虫的防治效果与8%氯氰菊酯微胶囊悬浮剂接近,可以作为替代药剂交替使用,以延缓靶标害虫抗药性的产生。
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| 关 键 词： | 毒死蜱 微胶囊悬浮剂 松墨天牛 药效试验 |
Efficacy of chlorpyrifos 20% microcapsule suspension against Monochamus alternatus adults |
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| ZHANG Meixiu,et al..Efficacy of chlorpyrifos 20% microcapsule suspension against Monochamus alternatus adults[J].Forest Pest and Disease,2011,30(1). |
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| Authors: | ZHANG Meixiu |
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| Institution: | ZHANG Meixiu,et al.(Forestry Bureau of Zhongfang County,Hunan Province,Zhongfang 418000,China) |
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| Abstract: | The efficacy of chlorpyrifos 20% microcapsule suspension(CS) against adults of Monocha-mus alternatus Hope was tested with cypermethrin 8% CS as control.The results of cage tests in field showed that the corrected mortalities of the adults treated with chlorpyrifos 500,400,300 time and cypermethrin 300 time dilutions were 60.13%,60.78%,73.63% and 60.73% respectively one day after the treatment and between 83.92% and 89.68% on the 3rd day with no significant differences among the 4 treatments.The insecticide... |
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| Keywords: | chlorpyrifos microcapsule suspension Monochamus alternatus Hope efficacy trials |
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