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Effects of alternating temperatures on development and reproduction of the armyworm,Mythimna separata (Walker)
引用本文:Li Xiuzhen,Wu Kunjun Gong PeiyuInstitute of Zoology,Chinese Academy of Sciences,Beijing 100080,China. Effects of alternating temperatures on development and reproduction of the armyworm,Mythimna separata (Walker)[J]. 环境科学学报(英文版), 1993, 0(2)
作者姓名:Li Xiuzhen  Wu Kunjun Gong PeiyuInstitute of Zoology  Chinese Academy of Sciences  Beijing 100080  China
作者单位:Li Xiuzhen,Wu Kunjun Gong PeiyuInstitute of Zoology,Chinese Academy of Sciences,Beijing 100080,China
摘    要:Effects of cycling and constant temperature on development and reproduction of the armyworm, Mythimna separata (Walker) were investigated by rearing the insects on the artificial diet under temperatures covering low(16-24℃ vs. 20 ℃ ), medial(20-28℃ vs. 24℃ ) and high(24-32 ℃ vs. 28 ℃) regions. In the low region, all the immature stages of the insect developed significantly faster under alternating temperatures than at corresponding constant temperatures. For the medial region, their development was little affected by variable temperatures. For the high region, developmental durations tended to be longer under cycling temperatures except egg stage.Mean fecundities of the adult moths markedly increased under cycling temperatures as compared with those at respective constant temperature in all regions.Possible reasons for effect of alternating temperatures on insect development are discussed in some details.


Effects of alternating temperatures on development and reproduction of the armyworm,Mythimna separata (Walker)
Li Xiuzhen,Wu Kunjun Gong PeiyuInstitute of Zoology,Chinese Academy of Sciences,Beijing ,China. Effects of alternating temperatures on development and reproduction of the armyworm,Mythimna separata (Walker)[J]. Journal of environmental sciences (China), 1993, 0(2)
Authors:Li Xiuzhen  Wu Kunjun Gong PeiyuInstitute of Zoology  Chinese Academy of Sciences  Beijing   China
Affiliation:Li Xiuzhen,Wu Kunjun Gong PeiyuInstitute of Zoology,Chinese Academy of Sciences,Beijing 100080,China
Abstract:
Keywords:alternating temperature  armyworm (Mythimna separata)  development duration  population parameters  fecundity.
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