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首页> 外文期刊>Journal of entomology >The Toxicity of Selected Monoterpene Hydrocarbons as Single Compounds and Mixtures against Different Developmental Stages of Colorado Potato Beetle, Leptinotarsa decemlineata Say (Coleoptera: Chrysomelidae)
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The Toxicity of Selected Monoterpene Hydrocarbons as Single Compounds and Mixtures against Different Developmental Stages of Colorado Potato Beetle, Leptinotarsa decemlineata Say (Coleoptera: Chrysomelidae)

机译：选定的单萜碳氢化合物作为单一化合物和混合物对科罗拉多马铃薯甲虫Leptinotarsa decemlineata说不同发育阶段的毒性（鞘翅目：金眼科）

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摘要

In the present study, 6 pure monoterpene hydrocarbons were tested as single compounds and mixtures for their toxicity against the second and third instars larvae and adults of Colorado potato beetle (Leptinotarsa decemlineata Say). In order to measurethe toxicity of compounds tested insects were placed in glass Petri dishes, in which monoterpene hydrocarbons had been sprayed. Tested compounds used in 2 different doses, 5 and 10 mg/Petri dish. The majority of tested compounds were found to be toxic to the larvae and adults; however, the percentage of mortality varied from 15 to 100%. In general, Limonene and Myrcene showed strong toxicity against the second instars larvae and adults. alpha-Pinene had relatively high toxicity against the adults. However, y-Terpinene was more toxic against the second instars larvae. The toxicity of Camphene was low against all developmental stages. In mixtures, gamma-Terpinene displayed antagonistic effects but other compounds showed effects varying from no observable to additive. According to the outcome of this study these 6 compounds can be used as potential control agents against both larvae and adults of Colorado potato beetle either as single compounds or in mixtures.
机译：在本研究中，测试了6种纯单萜碳氢化合物作为单一化合物和混合物对科罗拉多马铃薯甲虫的第二和第三龄幼虫和成虫的毒性（Leptinotarsa decemlineata说）。为了测量化合物的毒性，将昆虫放在玻璃培养皿中，在该培养皿中喷洒单萜烃。以2种不同剂量（5和10毫克/培养皿）使用被测化合物。发现大多数受试化合物对幼虫和成虫均具有毒性。但是，死亡率百分比从15％到100％不等。通常，柠檬烯和月桂烯对第二龄幼虫和成年幼虫表现出强烈的毒性。 α-P烯对成年人具有相对较高的毒性。然而，γ-地平烯对第二龄幼虫的毒性更大。樟脑对所有发育阶段的毒性均较低。在混合物中，γ-松油烯显示出拮抗作用，但其他化合物显示出从无到累加的变化。根据这项研究的结果，这6种化合物既可以作为单一化合物，也可以作为混合物，用作对抗科罗拉多马铃薯甲虫的幼虫和成虫的潜在控制剂。

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