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首页> 外文期刊>African Journal of Biotechnology >Effect of diethyl maleate on toxicity of linalool against two stored product insects in laboratory condition
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Effect of diethyl maleate on toxicity of linalool against two stored product insects in laboratory condition

机译：马来酸二乙酯对实验室条件下芳樟醇对两种贮藏昆虫的毒性的影响

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Essential oil extracted from plants has been widely investigated for pest control properties, with some proving to be toxic in insect pests.?In this?study,?effect of the synergist?diethyl maleate (DEM) on toxicity of one monoterpenoids, linalool?was studied against?two most common stored-product insects such as?Callosobruchus maculatus?and?Rhyzopertha dominica. Diethyl maleate was combined in mass ratios (1:8 and 1:4) with acetone used and applied on?C. maculatus?and?R. dominica?adult. Five concentrations of linalool were tested with four replications at 24 and 48 h with 30 adult insect in each replication. After 24 h of exposure, the LC50values were estimated to be 23.61 and 31.01 μl/l air, and after 48 h, they were 15.07 and 21.84 for each insect, respectively. A combination of inalool with the synergist after 24 h of exposure, the LC50?values was estimated to be 11.93 and 13.07 μl/l air and after 48 h, they were 7.38 and 7.93, respectively for each insect. The synergist is able to block the specific system of enzymes involved in selection of tolerance in susceptible generations. Diethyl maleate is an inhibitor of glutathione S-transferase (GST) activity. These results show that diethyl maleate decrease doses of linalool.
机译：从植物中提取的香精油已被广泛研究了害虫的控制特性，其中一些被证明对害虫有毒。在这项研究中，马来酸二乙酯增效剂对一种单萜类化合物芳樟醇的毒性产生了影响。研究人员针对两种最常见的储藏昆虫进行了研究，例如“黄斑Callosobruchus”和“ Rhyzopertha dominica”。用丙酮将马来酸二乙酯按质量比（1∶8和1∶4）合并，并加到℃上。黄斑和R。多米尼加？测试了五种浓度的芳樟醇，分别在24和48小时进行了四次重复，每次重复中有30只成虫。暴露24小时后，LC50值估计为空气的23.61和31.01μl/ l，48小时后，每种昆虫的LC50值分别为15.07和21.84。暴露24小时后，将吲哚洛尔和增效剂结合使用，空气中的LC50值估计为11.93和13.07μl/ l，48小时后，每种昆虫的LC50值分别为7.38和7.93。增效剂能够阻断易感世代中选择耐受性的酶的特定系统。马来酸二乙酯是谷胱甘肽S-转移酶（GST）活性的抑制剂。这些结果表明马来酸二乙酯降低了芳樟醇的剂量。

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