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Issue:ISSN 2095-1353
           CN 11-6020/Q
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Your Position :Home->Past Journals Catalog->2016年53 No.4

Effects of brief exposure to high temperature on the survival andreproduction of Oryzaephilus surinamensis (Linnaeus) during thestorage period of Lonicera japonica Thunb
Author of the article:XIANG Yu-Yong** DAI Rong-Tao
Author's Workplace:School of Biology and Food Engineering, Chuzhou University, Chuzhou 239000, China
Key Words:Oryzaephilus surinamensis, brief exposure to high temperature, survival rate, reproduction
Abstract:

 [Objectives]  This study aims to evaluate the effects of brief exposure to high temperatures on the survival and reproduction of Oryzaephilus surinamensis (Linnaeus) during the storage period of Lonicera japonica Thunb. [Methods]  The survival rate, pre-oviposition period, oviposition period, number of eggs laid per female, hatching rate, and eclosion rate of F1 progeny of O. surinamensis were measured under laboratory conditions after adults were exposed to temperatures of 36, 39, 42, 45 and 48℃ for either 1, 3, 5 or 7 hours. [Results]  Brief exposure to high temperatures had a significant effect on the survival rate, pre-oviposition period, oviposition period, number of eggs laid per female, hatching rate and eclosion rate. With increasing duration of exposure to temperatures in the range of 36-48, adult survival rate decreased, the pre-oviposition period was prolonged, the oviposition period decreased, the number of eggs laid per female decreased, and the hatching and eclosion rates of F1 progeny decreased. Exposure to each of the five temperatures for 7 h respectively decreased the adult survival rate by 29.19%, 34.47%, 39.84%, 55.64% and 66.68%, prolonged the pre-oviposition period by 2.06, 3.48, 4.88, 6.51 and 8.31 d, shortened the oviposition period by 4.99, 7.89, 12.07, 16.89 and 23.14 d, decreased the number of eggs laid per female by 52.26, 61.06, 70.82, 82.87 and 92.97, decreased the hatching rate of F1 progeny by 21.52%, 44.27%, 73.44%, 97.16% and 100%, and decreased the eclosion rate of F1 progeny by 20.61%, 32.85%, 57.59%, 95.15% and 100%. A two-way ANOVA indicated a significant interaction between temperature and time on adult survival rate, hatching rate, and eclosion rate of F1 progeny (P<0.05), but not on pre-oviposition period, oviposition period and the number of eggs laid per female  (P0.05). [Conclusion]  Brief exposure to high temperatures significantly reduced the survival and reproduction of O. surinamensis (Linnaeus) during the storage period of L. japonica.

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