Soil Microbial Functional Diversity from Different Infection Grades of Banana Fusarium Wilt (Fusarium oxysporum f. sp cubense)

文献类型： 外文期刊

第一作者： Deng, Xiao

作者： Deng, Xiao;Li, Qinfen;Hou, Xianwen;Wu, Chunyuan

作者机构：

关键词： banana fusarium wilt;microbial functional diversity;Biolog-ECO microplate;rhizosphere soil;non-rhizosphere soil

期刊名称：PROGRESS IN ENVIRONMENTAL PROTECTION AND PROCESSING OF RESOURCE, PTS 1-4

ISSN： 1660-9336

年卷期： 2013 年 295-298 卷

页码：

收录情况： SCI

摘要： Thirty rhizosphere and non-rhizosphere soil samples from different infection grades(0, V and VII) of three typical banana plots(Jianfeng, Shiyuetian, Chongpo) infected by banana fusarium wilt(Fusarium oxysporum f. sp. cubense) in Hainan province were collected to study the microbial community functional diversity applying Biolog-ECO microplates technology. The results are as follows: (1) Overall carbon source metabolic capacities of soil microbial community weaken with increasing of infection grades of banana fusarium wilt. (2) Richness index, Simpson index, Shannon index and McIntosh index of soil microbial community gradually decreased with increasing of infection grades of banana fusarium wilt. (3) Principal component analysis show that metabolic characteristics of soil microbial community significantly change between the healthy plants and diseased plants in the same banana plot. The results would provide information for explaining the pathogenesis of banana fusarium wilt and controlling its incidence by applying microbial ecology to regulate soil environmental measures.

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