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机构地区:[1]苏州大学金螳螂建筑与城市环境学院,江苏苏州215123
出 处:《中国森林病虫》2013年第4期16-17,共2页Forest Pest and Disease
基 金:苏州市科技计划项目(编号SYN201107)
摘 要:研究了黄带山钩蛾Oreta pulchripes Butler各虫态在恒温16,19,22,25,28℃下的发育历期、发育起点温度和有效积温。结果表明,随着温度的升高,发育历期逐渐缩短;黄带山钩蛾的卵、幼虫、蛹、成虫期和世代发育起点温度分别为(8.28±1.27),(8.47±1.33),(7.20±1.12),(10.70±0.97),(8.40±0.46)℃。相应的有效积温分别为(85.39±7.58),(223.40±20.94),(131.91±9.60),(62.98±5.08),(507.97±16.53)日度。根据发育起点温度和有效积温,初步测得黄带山钩蛾在苏州一带的年发生世代数为7代左右,与实际调查情况基本一致。The developmental duration,developmental threshold temperature(DTT) and effective accumulated temperature(EAT) of Oreta pulchripes were studied at five constant temperatures.The results showed the egg,larva,pupa and adult could normally develop at the temperatures between 16 ℃ and 28 ℃ and the development duration shortened with the increase of the temperature.The DTT of egg,larva,pupa,adult and the whole generation were(8.28±1.27),(8.47±1.33),(7.20±1.12),(10.70±0.97),(8.40±0.46)℃ respectively and their EAT were(85.39±7.58),(223.40±20.94),(131.91±9.60),(62.98±5.08),(507.97±16.53) day-degrees respectively.Based on that,it was concluded that Oreta pulchripes had about 7 generations a year in Suzhou.The results were according with the actual situation.
分 类 号:S763.42[农业科学—森林保护学]
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