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当前位置: 首页 > 文章 > 雪莲果温室白粉虱的发育起点温度和有效积温的研究 北方园艺 2013 (19) 128-130
Position: Home > Articles > Study on Developmental Threshold Temperature and Effective Accumulated Temperature of Trialeurodes vaporariorum(Westwood) on Smallanthus sanchifalius Northern Horticulture 2013 (19) 128-130

雪莲果温室白粉虱的发育起点温度和有效积温的研究

作  者：
涂勇
单  位：
西昌学院农业科学学院
关键词：
雪莲果;温室白粉虱;发育历期;发育起点温度;有效积温
摘  要：
以雪莲果为试材,在恒温10、15、20、25、30℃条件下对寄主雪莲果上的温室白粉虱(Trialeurodes vaporariorum(Westwood))各虫态以及全世代的发育历期、发育起点温度和有效积温进行了研究。结果表明:随着温度升高,其发育历期呈缩短趋势,发育速率与温度呈直线关系;雪莲果温室白粉虱卵、若虫、拟蛹、成虫和全世代的发育起点温度分别是(7.4±0.71)、(8.9±1.94)、(8.0±0.59)、(9.4±0.64)、(8.4±0.85)℃;对应的有效积温依次为(86.6±4.28)、(109.1±16.2)、(54.1±1.20)、(44.1±2.22)、(296.6±18.55)℃/d。依据发育起点温度和有效积温,预测出雪莲果温室白粉虱在西昌的年发生代数为6.4～7.3代,此结果符合田间发生规律和调查实际情况。
译  名：
Study on Developmental Threshold Temperature and Effective Accumulated Temperature of Trialeurodes vaporariorum(Westwood) on Smallanthus sanchifalius
作  者：
TU Yong;School of Agricultural Science,Xichang College;
关键词：
Smallanthus sanchifalius;;Trialeurodes vaporariorum(Westwood);;developmental periods;;developmental threshold temperature;;effective accumulated temperature
摘  要：
Taking Smallanthus sanchifalius as material,the developmental periods,the developmental threshold temperature and effective accumulated temperature of Trialeurodes vaporariorum(Westwood)on Smallanthus sanchifalius were studied under five constant temperatures with 10,15,20,25℃ and 30℃ in the laboratory.The results showed that the developmental periods gradually cut down with a rise of temperature.A linear relationship was found between the developmental velocity and the temperature.The developmental threshold temperature of egg,nymphae,subnymph,adult and the yearly generation of Trialeurodesvaporariorum(Westwood)on Smallanthuss anchifalius were(7.4±0.71),(8.9±1.94),(8.0±0.59),(9.4±0.64)and(8.4±0.85)℃respectively;Their corresponding effective accumulated temperature were(86.6±4.28),(109.1±16.2),(54.1±1.20),(44.1±2.22)and(296.6±18.55)℃/d respectively.Based on the investigation of its annual life history,it could be concluded that the occurrence of Trialeurodes vaporariorum(Westwood)on Smallanthus sanchifalius was 6.4~7.3 generations annually in Xichang.The results were according with its actual occurrence records and field investigations.

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