| 转Bt基因水稻对稻田节肢动物群落的影响 |
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| 引用本文： | 焦晓国,崔旭红,张国安,王利金.转Bt基因水稻对稻田节肢动物群落的影响[J].湖北大学学报(自然科学版),2007,29(4):413-416. |
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| 作者姓名： | 焦晓国 崔旭红 张国安 王利金 |
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| 作者单位： | 湖北大学 生命科学学院，华中农业大学 植物科技学院，华中农业大学 植物科技学院，华中农业大学 教务处 湖北 武汉 430062，湖北 武汉 430070，湖北 武汉 430070，湖北 武汉 430070 |
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| 摘 要： | 以转crylAb/crylAc基因水稻汕优63(以下简称汕优63/Bt水稻)为材料,亲本汕优63(以下简称汕优63/CK水稻)为对照,在田间自然条件下研究了汕优63/Bt水稻对稻田节肢动物群落的影响.结果表明,白背飞虱Sogatella furcifera Horváth和黑尾叶蝉Nephotettix cincticeps Ubler为汕优63/Bt水稻上优势种.在整个调查期间,汕优63/Bt水稻田害虫和天敌亚群落物种丰富度、均匀度和多样性指数都高于汕优63/CK,而群落优势集中性低于汕优63/CK,但差异都不显著.汕优63/Bt水稻田害虫和天敌亚群落物种丰富度、均匀度和多样性指数消长动态变化均较汕优63/CK水稻平缓.本研究结果初步表明汕优63/Bt水稻田节肢动物群落的稳定性高于常规稻田,利于发挥自然天敌的调控作用.
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| 关 键 词： | 转基因Bt水稻 群落 害虫 天敌 |
| 文章编号： | 1000-2375（2007）04-0413-04 |
| 收稿时间： | 2007-04-19 |
| 修稿时间： | 2007年4月19日 |
Effects of transgenic Bt rice on community of arthropods in paddy |
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| JIAO Xiao-guo,CUI Xu-hong,ZHANG Guo-an,WANG Li-jin.Effects of transgenic Bt rice on community of arthropods in paddy[J].Journal of Hubei University(Natural Science Edition),2007,29(4):413-416. |
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| Authors: | JIAO Xiao-guo CUI Xu-hong ZHANG Guo-an WANG Li-jin |
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| Abstract: | In 2002,field studies were conducted to evaluate the effects of transgenic crylAb/ crylAc rice on community of arthropods.The results indicated that the indexes of richness,evenness and diversity of arthropod community in transgenic Bt paddy were higher and dominance was lower than those of the control one,respectively.In addition,the dynamics of the riches,evenness and diversity indexes of arthropod community in transgenic Bt were more stable than those of non-Bt paddy.In Bt paddy,leafhopper Sogatella furcifera Horv(?) th and planthopper Nephotettix cincticeps Ubler were the dominant pests.In conclusion,the stability of arthropod community in transgenic Bt paddy was higher than that of the control one,which helpful for natural enemies to control the non- targeted pests. |
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| Keywords: | transgenic Bt rice community insect pests natural enemies |
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