棉铃虫脑在控制滞育中的作用  

Role of brain in controlling diapause in Helicoverpa armigera

作　　者：王方海[1] 龚和[2] 钦俊德[2] 

机构地区：[1]中山大学昆虫学研究所 [2]中国科学院动物研究所,北京100080

出　　处：《昆虫学报》2002年第3期416-418,共3页Acta Entomologica Sinica

基　　金：国家自然科学基金资助项目 ( 39870 475 )

摘　　要：脑摘除试验表明 :棉铃虫蛹的初期发育 (化蛹后 12h内 )受脑的控制 ;化蛹 12h后的滞育蛹发育与脑无关。注射活性脑的匀浆液可阻止部分注定滞育的预蛹和化蛹后 1～ 2天的蛹进入滞育状态 ,说明滞育的个体很有可能从预蛹期开始其脑的活性就已降低。It was confirmed that the pupae of Helicoverpa armigera needed brain in the early development stage by the experiment of brain excision. The development of diapause pupae did not need brain in the mid or later development stage. The pupal diapause in H. armigera could be terminated with the injection of active brain, and it was suggested that the activation of brain in diapause-destined H. armigera had descended since prepupal stages. The role of brain in diapause in H. armigera was discussed based on these results.

关 键 词：棉铃虫 滞能 脑 

分 类 号：Q965[生物学—昆虫学]