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首页> 外文期刊>Journal of Agricultural Science >Studies on Temperature Influence on Oviposition and Development of Immature Stages of the Yam Beetle Dinoderus Porcellus Lesne. Coleoptera: Bostrichidae on Dried Yam Species
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Studies on Temperature Influence on Oviposition and Development of Immature Stages of the Yam Beetle Dinoderus Porcellus Lesne. Coleoptera: Bostrichidae on Dried Yam Species

机译：温度对山药甲壳虫Dioderus Porcellus Lesne的发育和未成熟阶段的影响的研究。鞘翅目：干燥山药种类上的鸵鸟科

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Teneral adults of Dinoderus porcellus were raised in the laboratory and exposed to various temperature regimes 10 0 , 15 0, 20 0 , 30 0 , 35 0 and 40 0 C respectively. Four dried yam species Dioscorea rotundata, Dioscorea alata, Dioscorea dumetorum and Dioscorea cayenensis were used, to determine the effect of temperature on oviposition and developmental stages of the insect. At 10 0 C, there was no oviposition, at 15 0 C fewer eggs were laid. Oviposition increases with little variation as temperature increases from 20 0 C 30 0 C. There is reduction in the number of eggs laid at 35 0 C , while zero oviposition was recorded at 40 0 C. Egg incubation ranges between 6 to 8 days and there were significance difference (P<0.05) in the developmental period of larva and no significance difference (P<0.05) at the pupal stage. However, developmental period was prolonged on Dioscorea cayenensis as temperature increases.
机译：在实验室中饲养了双节肢动物的成年雌性，并使其分别暴露于10 0，15 0，20 0，30 0，35 0和40 0 C的不同温度下。使用四种干燥的山药Dioscorea rotundata，Dioscorea alata，Dioscorea dumetorum和Dioscorea cayenensis，以确定温度对昆虫产卵和发育阶段的影响。在10 0 C时，没有产卵，在15 0 C时，产卵量减少。随着温度从20 0 C 30 0 C升高，产卵量几乎没有变化。在35 0 C产卵的数量减少，而在40 0 C产卵量为零。卵的孵化范围为6至8天幼虫发育期显着性差异（P <0.05），up期无显着性差异（P <0.05）。然而，随着温度的升高，薯Di的发育期延长。

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