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Your Position ：Home->Past Journals Catalog->2001 Vol.2

The resistance and reproductive potential of Osmia excavata Alfken.
Author of the article:WEI Yong-Ping，YUAN Feng，ZHANG Ya-Lin
Author's Workplace：(Institute of Entomology,Northwest Scitech University of Agriculture and forestry, Yangling, Shaanxi Province 712100,China).
Key Words：Osmia excavata Alfken; resistance; ovary; oocyte
Abstract：In diapause period and free diapause period, adults resistance to temperature was measured.The results indicated that the freezing point and supercooling point are -26.48℃ and -20.91℃ respectiviely in the diapause period, and -18.40℃ and -11.78℃ res
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