【作者】 张志恒； 王官国；

【Author】 Zhang Zhiheng Wang Guanguo(Gitrus Institute,Zhejiang Academy of Sciences, Huangyan 318020)

【机构】 浙江省科学院柑桔研究所；

【摘要】 1995～1997年在浙江黄岩用生命表的方法研究了未受座壳孢菌寄生的柑桔粉虱的自然种群动态.结果显示,柑桔粉虱第一二三世代的种群趋势指数分别为8.91、4.08和5.94,存活曲线也稍有差异,其中第二世代基本上属于SlobodkinⅣ型,而第一三世代则介于Slobod-kinⅣ型和SlobodkinⅢ型之间.对柑桔粉虱的种群数量起控制作用的主要因子是自然死亡和因风雨冲刷等造成的失踪,其次是寄生蜂的寄生死亡.更多还原

【Abstract】 The life table for field population of citrus whitefly free of parasitic fungus Asch-ersonia was studied in Huangyan, Zhejiang Province in 1995 - 1997. The population trend indexes for its 1^st,2^rdand 3^rdgeneration were 8.91,4.08 and 5.94,respectively.Their survival curves varied slightly with generatons either, i.e. , for the 2^nd generation. it basically tallicd with slobodkin’ s curve Ⅳ , and it was between slobodkin’ s curve Ⅳ adn Ⅲ for the 1^st and 3^rd generation The most inportant factors controlling population of citrus whitefly were first, naturaldeath and disappearance caused by wind and rain etc. , second, parasitization of parasitic insects.更多还原