Impacts of Nighttime Warming on the Soil Nematode Community in a Winter Wheat Field of Yangtze Delta Plain, China

查看全文 作　　者：SONG Zhen-[1]wei;ZHANG [2]Bin;TIAN Yun-[3]lu;DENG Ai-[1]xing;ZHENG Cheng-[1]yan;Md Nurul [4]Islam;Md Abdul [4]Mannaf;ZHANG Wei-[1]jian

机构地区：[1]Institute of Crop Sciences, Chinese Academy of Agricultural Sciences/Key Laboratory of Crop Physiology, Ecology & Production, Ministry of Agriculture;[2]Institute of Rice Sciences, Guangdong Academy of Agricultural Sciences;[3]College of Agriculture, Nanjing Agricultural University;[4]Bangladesh Agricultural Research Institute, Joydebpur Gazipur-1701, Bangladesh

出　　处：《Journal of Integrative Agriculture》索引2014年第13卷第7期,共9页

基　　金：supported by the National Basic Research Program of China(2010CB951501);the Key Technologies R&D Program of China during the 12th Five-Year Plan period(2011BAD16B14);the National Natural Science Foundation of China(30771278);the Innovation Program of Chinese Academy of Agricultural Sciences,China 摘　　要：Changes in the soil nematode community induced by global warming may have a considerable influence on agro-ecosystem functioning.However,the impacts of predicted warming on nematode community in farmland(e.g.,winter wheat field)have not been well documented.Therefore,a field experiment with free air temperature increase(FATI)was conducted to investigate the responses of the soil nematode community to nighttime warming in a winter wheat field of Yangtze Delta Plain,China,during2007 to 2009.Nighttime warming(NW)by 1.8°C at 5-cm soil depth had no significant impact on the total nematode abundance compared to un-warmed control(CK).However,NW significantly affected the nematode community structure.Warming favored the bacterivores and fungivores,such as Acrobeles,Monhystera,Rhabditis,and Rhabdontolaimus in bacterivores,and Filenchus in fungivores,while the plant-parasites were hindered,such as Helicotylenchus and Psilenchus.Interestingly,the carnivores/omnivores remained almost unchanged.Hence,the abundances of bacterivores and fungivores were significantly higher under NW than those under CK.Similarly,the abundances of plant-parasites were significantly lower under NW than under CK.Furthermore,Wasilewska index of the nematode community was significantly higher under NW than those under CK,indicating beneficial effect to the plant in the soil.Our results suggest that nighttime warming may improve soil fertility and decrease soilborne diseases in winter wheat field through affecting the soil nematode community.It is also indicated that nighttime warming may promote the sustainability of the nematode community by altering genera-specific habitat suitability for soil biota. 关键词：线虫群落土壤线虫三角洲平原冬小麦田长江中国生态系统功能全球变暖

相关文献

参考文献（46）
引证文献（2）
耦合文献（82）

参考文献(46)

引证文献(2)

耦合文献(82)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Impacts of Nighttime Warming on the Soil Nematode Community in a Winter Wheat Field of Yangtze Delta Plain, China

参考文献(46)

引证文献(2)

耦合文献(82)

用户提示