| 马尾松毛虫幼虫生长发育的光周效应* |
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| 引用本文： | 李兆麟,贾凤友,何忠,侯无危.马尾松毛虫幼虫生长发育的光周效应*[J].林业科学研究,1993,6(3):276-281. |
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| 作者姓名： | 李兆麟 贾凤友 何忠 侯无危 |
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| 作者单位： | 中国林业科学研究院林业研究所，中国科学院动物研究所，中国科学院动物研究所 研究员，北京 100091 |
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| 摘 要： |
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| 关 键 词： | 马尾松毛虫 光照周期反应 生长 |
| 收稿时间： | 1992/1/28 0:00:00 |
Effect of Photoperiods on Larval Growth and Development of Dendrolimus punctatus |
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| Li Zhaolin,Jia Fengyou,He Zhong and Hou Wuwei.Effect of Photoperiods on Larval Growth and Development of Dendrolimus punctatus[J].Forest Research,1993,6(3):276-281. |
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| Authors: | Li Zhaolin Jia Fengyou He Zhong and Hou Wuwei |
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| Institution: | The Research Institute of Forestry, CAF Beijing 100091;The Research Institute of Forestry, CAF Beijing 100091;Institute of Zoology, CAS;Institute of Zoology, CAS |
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| Abstract: | The duration and age of Dendrblimus punctatus Walker vary greatly with the photoperiods experienced by the larvae during larval period. The larvae treated with longday cycles (L:D = 15:9) in the earlier in-stars can develop into pupae in the 5th and 6th instar and their average larval duration is about one month, and there is no obvious variation between the durations no matter what photoperiods the larvae experienced in the later instars. But, the larvae exposed under shortday cycles (L:D= 12: 12) in the earlier instars can produce one or two more instars and their duration can exceed two months. The photoperiods in the later instars also exert important effect on the larval duration and age, longday cycles can curtail larval duration and shortday cycles can procrastinate larval period. However, the impact of short photoperiods in the later instars on larval duration and age depends on the photoperiods undergone by the larvae in the earlier instars. With the characteristic of oligopause, some of the larvae treated with the life-long short photoperiods can even pupate in the 10th instar and experience five-month larval period. |
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| Keywords: | Dendrolimus punctatus photoperiod growth and development |
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