棉田捕食性瓢虫控害功能的分析

应用生态学报 ›› 2002, Vol. ›› Issue (7): 841-844.

棉田捕食性瓢虫控害功能的分析

戈峰, 刘向辉, 潘卫东, 丁岩钦

中国科学院动物研究所农业虫鼠害综合治理国家重点实验室, 北京 100080

收稿日期:2000-04-03 修回日期:2002-04-04 出版日期:2002-07-15
通讯作者: 戈峰,男,1963年生,博士,研究员,博士生导师,主要从事昆虫生态学研究,发表论文70多篇,E-mail:gef@panda.ioz.ac.cn
基金资助:
国家重点基础研究发展规划(973)项目(G2000016209);国家自然科学基金资助项目(39970137).

Biological control efficiency of ladybirds on arthropod pests in cotton agroecosystems

GE Feng, LIU Xianghui, PANG Weidong, DANG Yanqin

Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100080

Received:2000-04-03 Revised:2002-04-04 Online:2002-07-15

摘要/Abstract

摘要： 在系统调查棉田捕食性瓢虫种群数量动态的基础上,应用生态能学的方法,分析并比较了不同播种期、套间作等农业措施对棉田捕食性瓢虫控害功能的影响.结果表明,不同类型棉田瓢虫对害虫的摄入量为26.45～70kJ·m^-2·年^-1,分别占整个捕食性天敌摄入量的28.30%～47.88%,是棉田捕食性天敌的优势种类;不同类型棉田瓢虫对棉蚜的控害系数为5.07%～12.85%,并随着棉花播种期的推后和间套作呈现出下降趋势,它们在棉田生态系统害虫生态调控中发挥着重要作用.

Abstract: Based on the systematical investigation of population dynamics of predacious ladybird in different cotton agroecosystem, the energy flow for predacious ladybirds was analyzed by the way of ecological energetic. The biological control efficiency of ladybirds was compared in different planting time and inter crop cotton agroecosystems using available date on the prepapers of ladybird ingestion to pest production. The results showed that the ingestion of predacious ladybirds were 26.45～70kJ·m^-2 yr^-1., accounting for 28.30～47.88% of all predacious natural enemies in different cotton agroecosystems. The biological control efficiency of ladybirds to aphids were 5.07～12.85%, which was decreased in inter crop cotton agroecosystems and the ecosystems with the delay of planting time. It is suggested that the ladybirds play the important role of potential biological control in cotton agroecosystems.

中图分类号:

S435.62

戈峰, 刘向辉, 潘卫东, 丁岩钦. 棉田捕食性瓢虫控害功能的分析[J]. 应用生态学报, 2002, (7): 841-844.

GE Feng, LIU Xianghui, PANG Weidong, DANG Yanqin. Biological control efficiency of ladybirds on arthropod pests in cotton agroecosystems[J]. Chinese Journal of Applied Ecology, 2002, (7): 841-844.

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