[1]陈立杰　段玉玺　梁文举　李永峰.涕灭威对大豆田土壤线虫生物多样性的影响*[J].大豆科学,2006,25(02):164-169.[doi:10.11861/j.issn.1000-9841.2006.02.0164]
　Chen LijieDuan YuxiLiang WenjuLi Yongfeng.EFFECTS OF ALDICARBON COMMUNITY STRUCTURE AND BIO-DIVERSITYOF SOIL NEMATODES IN SOYHEAN FIELD[J].Soybean Science,2006,25(02):164-169.[doi:10.11861/j.issn.1000-9841.2006.02.0164]
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涕灭威对大豆田土壤线虫生物多样性的影响*

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第25卷 期数: 2006年02期 页码: 164-169 栏目: 出版日期: 2016-05-25
Title:
EFFECTS OF ALDICARBON COMMUNITY STRUCTURE AND BIO-DIVERSITYOF SOIL NEMATODES IN SOYHEAN FIELD
作者:
陈立杰1　段玉玺1　梁文举2　李永峰1
(1. 沈阳农业大学植物保护学院植物线虫学研究室,辽宁 沈阳 110161 ;2. 中国科学院沈阳应用生态研究所,辽宁 沈阳 110016)
Author(s):
Chen Lijie1Duan Yuxi1Liang Wenju2Li Yongfeng1
(1. Plant Nematology Laboratory , Shenyang Agricultural University , Shenyang 110161;2. Institute of Applied Ecology , Chinese Academy of Science , Shenyang 110016)
关键词:
大豆; 涕灭威; 土壤线虫; 群落结构; 生物多样性
Keywords:
Soybean ; Aldicarb ; Soil nematodes; Trophic groups; Bio-diversity
DOI:
10.11861/j.issn.1000-9841.2006.02.0164
文献标志码:
A
摘要:
　利用涕灭威处理大豆田 ,研究土壤线虫群落结构和生物多样性的变化, 共鉴定出 7 目 12 科17 属的土壤线虫 ,其中植物寄生线虫是大豆根际土壤线虫的优势营养类群, 短体属 Pratylenchus,茎属 Ditylenchus ,小杆属 Rhabditis 和矛线属Dorylaimus 是线虫优势属。与对照相比, 除开花期因气候干旱外, 涕灭威处理在大豆的各个生育期均抑制了土壤线虫总数和各营养类群的群体数量增长 ,尤其对植物寄生线虫抑制程度更为显著。应用多样性指数 H′、成熟度指数 MI 、均匀度指数J′、丰富度指数SR、优势度指数 l 和植物寄生线虫成熟度指数 PPI 分析比较了处理区和对照区土壤线虫生物多样性变化规律 ,结果显示涕灭威处理显著降低了大豆田土壤线虫的多样性、增加了线虫的优势度指数, 各生态指数较好地反映了涕灭威对大豆田土壤线虫生物多样性的干扰作用。
Abstract:
Soil nematodes played significant roles in the agroecosystems , except some plant parasitic nema-todes can infest in crops. Aldicarb could control plant nematode diseases , such as soybean cyst nematodeand root-knot nematode. Relationships between nematode community structure and bio-diversity with Al-dicarb were examined in soybean plots on brown soil in Shenyang city , China. The result indicated:whether in the CK plots or treatment plots, plant parasites nematodes, being dominant trophic groups,were inhibited across the whole growing periods of soybean , while fungivores and omnivores-predatorswere the least abundant groups. The total numbers of nematode, trophic groups and diversity indices(H′)were significantly different between sampling dates (P <0. 01). Plant-parasites were decreased, but alsocommunity structure of free-living nematodes was reduced by aldicarb. The ecological balance and stabilityof soil nematodes was destroyed by chemical nematicide. Among the indices tested , H′and λwere effectivein analyzing nematicide influenced soil nematodes.

参考文献/References:

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备注/Memo

项目来源:国家自然科学基金(30300231)和辽宁省高校优秀人才支持计划作者简介:陈立杰(1971 -), 女, 博士, 副教授, 从事植物病理学和线虫学的教学和科研工作, Email:Chenlj@syau. edu. cn .

更新日期/Last Update: 2016-12-14