河南农业科学2012，Vol.41Issue(5)：96-99,4.
烟夜蛾滞育期间日失重、含水量及呼吸速率的变化
Changes of Daily Weight Loss,Water Content and Respiratory Intensity of Diapause and Non-diapause Pupae of Helicoverpa assulta
摘要
Abstract
In order to explore diapause mechanism of oriental tobacco budworm, Helicoverpa as-sulta ,the study was conducted on the changes of daily weight loss, water content and respiratory intensity of diapause and non-diapause pupae. The results showed that the weight and the water content of diapause pupae were lower than those of non-diapause pupae significantly. The daily weight loss of diapause pupae changed mildly without the peak of weight loss, and the average value was about 3. 19 mg per pupa, but the daily weight loss of non-diapause pupae changed quickly with the high peak in 4-day-old pupae, with the average value up to 13. 67 mg per pupa. There was no significant difference of CO2 exhalation amount between diapause and non-diapause pupae. The change of diapause pupal respiratory rate was relatively small,the curve of which was nearly a beeline, however, that of non-diapause pupae was relatively big, which presented an up and down fluctuating curve. It was deduced that diapause pupae enhanced the cold resistance by change of postures and respiratory intensity.关键词
烟夜蛾/滞育/日失重/含水量/呼吸速率/滞育机制Key words
Helicoverpa assulta / diapause/ daily weight loss/ water content/ respiratory intensity/ diapause mechanism分类
农业科技引用本文复制引用
高玉红,张艳丽,王冬燕,郭线茹..烟夜蛾滞育期间日失重、含水量及呼吸速率的变化[J].河南农业科学,2012,41(5):96-99,4.基金项目
河南省教育厅自然科学基金项目(2006180010) （2006180010）
