小菜蛾（Plutella xylostella (Linn)）二龄幼虫短期热预处理与阿维菌素之间的相互作用
Interaction between short-term heat pretreatment and avermectin on 2nd instar larvae of diamondback moth, Plutella xylostella (Linn).
作者信息
Gu Xiaojun, Tian Sufen, Wang Dehui, Gao Fei
机构信息
Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China.
出版信息
Dose Response. 2009 Jun 25;7(3):270-83. doi: 10.2203/dose-response.08-029.Gu.
Based on the cooperative virulence index (c.f.), the interaction effect between short-term heat pretreatment and avermectin on 2(nd) instar larvae of diamondback moth (DBM), Plutella xylostella (Linnaeus), was assessed. The results suggested that the interaction results between short-term heat pretreatment and avermectin on the tested insects varied with temperature level as well as its duration and avermectin concentration. Interaction between heat pretreatment at 30 degrees C and avermectin mainly resulted in addition. Meanwhile, pretreatment at 35 degrees C for 2 or 4 h could antagonize the toxicity of avermectin at lower concentrations, which indicated a hormetic effect occurred. The results indicate that cooperative virulence index (c.f.) may be adopted in hormetic effect assessment.
基于协同毒力指数（c.f.），评估了短期热预处理与阿维菌素对小菜蛾（Plutella xylostella (Linnaeus)）二龄幼虫的交互作用。结果表明，短期热预处理与阿维菌素对受试昆虫的交互作用结果随温度水平、持续时间以及阿维菌素浓度而变化。30℃热预处理与阿维菌素之间的交互作用主要表现为相加作用。同时，35℃预处理2或4小时可拮抗较低浓度阿维菌素的毒性，这表明产生了 hormetic 效应。结果表明，协同毒力指数（c.f.）可用于 hormetic 效应评估。
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