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当前位置: 首页 > 文章 > 有机稻田害虫群落结构的研究 湖北农业科学 2010,49 (11) 2787-2789+2795
Position: Home > Articles > Studies on the Community Structure of Rice Pests in Organic Paddy Fields Hubei Agricultural Sciences 2010,49 (11) 2787-2789+2795

有机稻田害虫群落结构的研究

作  者：
钟平生;谢小峰;钟振芳
单  位：
惠州学院生命科学系;广东省惠州市海纳粮油食品有限公司
关键词：
有机稻田;水稻害虫;群落;多样性
摘  要：
系统调查了有机稻田害虫种群数量动态,并利用相对多度、丰富度、多样性指数和均匀度分析了其群落结构特征和动态。结果表明,有机稻田中害虫29种,稻纵卷叶螟、褐飞虱为优势种群,其优势度指数分别为0.14～0.39和0.15～0.38。随着水稻的生长,有机稻田物种丰富度和多样性指数均呈上升趋势,而均匀度则表现出一定的波动性,同时3个指数均普遍高于同期的常规稻田。此外,在优势种群及其优势度上,有机稻田与常规稻田相比也存在着一定差异。因此,有机稻田的害虫群落结构更合理和稳定,多样性更高,害虫不容易暴发。
译  名：
Studies on the Community Structure of Rice Pests in Organic Paddy Fields
作  者：
ZHONG Ping-sheng1,XIE Xiao-feng1,ZHONG Zhen-fang2(1.Department of Life Science,Huizhou University,Huizhou 516007,Guangdong,China;2.Huizhou Haina Cereals,Oil and Foodstuffs Co.Ltd,Huizhou 516000,Guangdong,China)
关键词：
organic rice field;rice pest;community;diversity
摘  要：
The population dynamics of pests were investigated in organic rice fields.Based on the date of relative richness,abundance,diversity index and evenness,the dynamics of community structure was analyzed.The results showed that there were 29 pest species in organic rice fields,which belonged to 7 orders and 14 families.Rice Leaf folder and Brown plant hopper were the dominant species,their dominant indices ranged from 0.14 to 0.39 and from 0.15 to 0.38,respectively.With rice growing coverage,the species richness(S) and the Shannon-Winner's diversity index(H') were continual increased,whereas the Pielou's evenness(J') fluctuated in a certain range.And the S,H'and J'in organic rice field were generally higher than those in conventional rice field.Furthermore,in organic rice fields comparing in conventional rice field,there were some differents both the dominant species and dominance of rice pests.Therefore,the community structure of rice pests in organic rice field are stabler and more reasonable.The high community diversity could control the burst of rice pests.

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