| 阿维菌素对斜纹夜蛾3龄幼虫的亚致死效应研究 |
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| 引用本文： | 鄢铮,王正荣.阿维菌素对斜纹夜蛾3龄幼虫的亚致死效应研究[J].热带作物学报,2011,32(10):1945-1950. |
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| 作者姓名： | 鄢铮 王正荣 |
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| 作者单位： | 福州市农业科学研究所,福建福州,350018 |
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| 基金项目： | 福州市科技发展基金项目(No.2008-N-66) |
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| 摘 要： | 采用常规的生物测定方法和酶活力测定方法,研究阿维菌素亚致死剂量对斜纹夜蛾生长发育及解毒酶的诱导效应,以了解阿维菌素对斜纹夜蛾的影响,并为指导其合理使用提供理论依据.结果表明:随着剂量的增大,阿维菌素对斜纹夜蛾的亚致死效应逐渐增强.当剂量达到LC20时,与对照相比,化蛹率降低了13.04％,蛹重减轻了24.56％,羽化率降低了18.22％,孵化率减少了11.90％,成虫寿命缩短了22.65％,单雌产卵量减少了10.62％,但幼虫发育历期却延长了0.57d,且下一代的发育历期延长了1.02 d.另外,经过不同时间、不同亚致死剂量处理后,斜纹夜蛾3龄幼虫体内的羧酸脂酶活性均出现不同程度的上升.处理36h后,LC10、LC15和LC20试验组的羧酸脂酶活性比对照分别提高了16.59％、20.24％和22.76％.但谷胱甘肽S-转移酶和多功能氧化酶O-脱甲基活性在试验期间无显著变化.结果说明阿维菌素能够影响斜纹夜蛾的生长发育,且对其体内的解毒酶系产生一些影响.
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| 关 键 词： | 斜纹夜蛾 阿维菌素 亚致死效应 解毒酶 |
Sublethal Effect of Abamectin on 3rd Instar Larvae of Prodenia litura |
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| YAN Zheng and WANG Zhengrong.Sublethal Effect of Abamectin on 3rd Instar Larvae of Prodenia litura[J].Chinese Journal of Tropical Crops,2011,32(10):1945-1950. |
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| Authors: | YAN Zheng and WANG Zhengrong |
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| Institution: | YAN Zheng,WANG Zhengrong Fuzhou Institute of Agricultural Sciences,Fuzhou,Fujian 350018,China |
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| Abstract: | Effects on the growth,development,fecundity and activities of carboxylesterase,glutathione s-transferase and acetyl cholinesterase by sublethal doses of abamectin were investigated in the 3rd instar of Prodenia litura in the laboratory with conventional methods.Results showed that compared with the control,pupation rate decreased by 13.04%;the weight of pupae reduced by 24.56%;emergence rate reduced by 18.22%;egg hatchability decreased by 11.90%;adult longevity reduced by 22.65% and oviposition numbers of f... |
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| Keywords: | Prodenia litura Fabricius Abamectin Sublethal effect Detoxification enzyme |
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