不同季节黄瓜上烟粉虱自然种群生命表研究  

Life table of natural Bemisia tabaci population on cucumber plants in different seasons.

作　　者：沈斌斌[1] 陈超[1] 任顺祥[1] 

机构地区：[1]华南农业大学资源环境学院,广州510642

出　　处：《应用生态学报》2005年第12期2473-2475,共3页Chinese Journal of Applied Ecology

基　　金：国家"十五"科技攻关资助项目(2001BA509B0604).

摘　　要：The study showed that in the early growth stage of cucumber in spring,the predation on Bemisia tabaci egg was the key factor for controlling B.tabaci population,and the exclusion index of population control was 1.7333.In the late growth stage of cucumber in spring,summer and autumn,the predation on B.tabaci elder nymph was the critical factor for controlling B.tabaci population,and the exclusion index of population control was 4.5372,4.0429 and 7.9021,respectively.From spring to autumn,the index of population development trend was decreased from 21.0610 to 5.8523,because of the increasing controlling effect of the predators,and the exclusion index of population control was from 4.0560 to 17.8662.The study showed that in the early growth stage of cucumber in spring, the predation on Bemisia tabaci egg was the key factor for controlling B. tabaci population, and the exclusion index of population control was 1. 7333. In the late growth stage of cucumber in spring, summer and autumn, the predation on B. tabaci elder nymph was the critical factor for controlling B. tabaci population, and the exclusion index of population control was 4. 5372, 4. 0429 and 7. 9021, respectively. From spring to autumn, the index of population development trend was decreased from 21. 0610 to 5. 8523, because of the increasing controlling effect of the predators, and the exclusion index of population control was from 4. 0560 to 17. 8662.

关 键 词：自然种群生命表 烟粉虱 自然种群动态 生命表技术 黄瓜 季节 卷叶蛾 云杉 组配 

分 类 号：S436.421.2[农业科学—农业昆虫与害虫防治]