转Bt基因棉田与常规棉田节肢动物群落多样性的比较研究

生态学杂志 ›› 2003, Vol. ›› Issue (5): 26-29.

转Bt基因棉田与常规棉田节肢动物群落多样性的比较研究

门兴元¹, 戈峰¹, 尹新明², 蔡东章²

1. 中国科学院动物研究所农业虫鼠害国家重点实验室, 北京, 100080;
2. 河南农业大学植物保护学院, 郑州, 450002

收稿日期:2002-11-19 修回日期:2002-01-17 出版日期:2003-05-10
基金资助:
国家重点基础研究发展规划资助项目(G2000016209);中国科学院创新工程方向资助项目(KSXC2-01-2和KSCX2-SW-103)

Diversities of arthropod community in transgenic Bt cotton and nontransgenic cotton agroecosystems

MEN Xingyuan¹, GE Feng¹, YIN Xinming², CAI Dongzhang ²

1. Institute of Zoology, Chinese Academy of Sciences, Beijing 100080, China;
2. Henan Agricultural University, Zhengzhou 450002, China

Received:2002-11-19 Revised:2002-01-17 Online:2003-05-10

摘要/Abstract

摘要： 研究了在棉花生长的早期、中期和后期转Bt(bacillus thuringiensis)基因棉和常规棉两种棉田的节肢动物群落、害虫亚群落和天敌亚群落多样性.结果表明,GK-12未防治区的节肢动物群落多样性指数和害虫亚群落的多样性指数在棉花生长前期和后期要高于泗棉3号未防治区;GK未防治区的天敌亚群落多样性指数在棉花生长后期高于泗棉3号未防治区,在棉花生长的早期和中期,两者的大小没有表现出显著性差异.对影响棉田生态系统3种多样性指数的因子的方差分析表明,棉花品种和化学防治措施的共同作用是影响棉田生态系统节肢动物群落和天敌亚群落多样性指数的主要因子.

关键词: 生物修复, 浮游植物, 群落

Abstract: In the first, middle and late stage of cotton growth, diversities of arthropod community, pest sub-community and natural enemy sub-community in the transgenic Bt cotton(GK-12)and nontransgenic cotton(SI Cotton 3)agroecosystems were studied. The treatments included:(i)GK-12 with no insecticide treatment,(ii)GK-12 with insecticide treatments,(iii)SI cotton with no insecticide treatment and(iv)SI cotton with insecticide treatments. The results indicated that in the first stage and late stage of cotton growth, diversity indexes of arthropod community and pest sub-community in the GK-12 with out insecticide treatment were higher than those in the SI cotton with out insecticide treatment. In the late stage of cotton growth, diversity index of natural enemy sub-community in the GK-12 with out insecticide treatment were higher than those in the SI cotton with not insecticide treatment. The F-test indicated that varieties譱nsecticide-treatment was the main factor influencing the diversity of arthropod community and natural enemy sub-community in cotton agroecosystem.

Key words: Bio-remediation, Phytoplankton, Community

中图分类号:

Q958.15

门兴元, 戈峰, 尹新明, 蔡东章. 转Bt基因棉田与常规棉田节肢动物群落多样性的比较研究[J]. 生态学杂志, 2003, (5): 26-29.

MEN Xingyuan, GE Feng, YIN Xinming, CAI Dongzhang . Diversities of arthropod community in transgenic Bt cotton and nontransgenic cotton agroecosystems[J]. cje, 2003, (5): 26-29.

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