| 滞育和非滞育棉铃虫血淋巴类固醇蜕皮素含量变化的比较 |
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| 引用本文： | 王方海,龚和.滞育和非滞育棉铃虫血淋巴类固醇蜕皮素含量变化的比较[J].昆虫学报,1997,40(3):261-264. |
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| 作者姓名： | 王方海 龚和 |
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| 作者单位： | 中国科学院动物研究所!北京100080 |
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| 摘 要： | 采用放射免疫分析法对不同时期的注定滞育和非滞育棉铃虫的血淋巴中的类固醇蜕皮素的含量进行了测定，发现在预蛹期间，注定滞育的棉铃虫的类固醇蜕皮素含量高于非滞育的棉铃虫，化蛹后，注定滞育的棉铃虫的类固醇蜕皮素含量则迅速降到极低的水平，明显低于非滞育棉铃虫。用20-羟基蜕皮素处理不同时期的滞育蛹，均能打破滞育。由此可见，类固醇蜕皮素含量的降低或缺乏乃是导致棉铃虫滞育的关键因子之一。
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| 关 键 词： | 棉铃虫 类固醇蜕皮素 滞育 |
THE ROLE OF ECDYSTEROIDS ON DIAPAUSE OF HELICOVERPA ARMIGERA |
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| Wang Fanghai,Gong He.THE ROLE OF ECDYSTEROIDS ON DIAPAUSE OF HELICOVERPA ARMIGERA[J].Acta Entomologica Sinica,1997,40(3):261-264. |
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| Authors: | Wang Fanghai Gong He |
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| Abstract: | The ecdysteroids in the haemolymph of larvae and pupae from diapause andi non-diapause destined Helicoverpa armlerra were measured by radioimmunoassay. It was found that the ecdysteroid titer in the prepupal stage of diapause-destined pupa was higher than that of non-diapause-destined one. There was magnificent difference in titer of ecdysteroids between diapause and non-diapause pupae of H. armigera, the ecdysteroid titer in the diapause pupae was much lower. Pupal diapause in H. armigera could be immediately terminated with the injection of 20-hydroxyecdysterone. |
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| Keywords: | Helicoverpa armigera ecdysteroids diapause |
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