文章摘要
伊犁野生羊肚菌根际土壤微生物功能多样性分析
Functional Diversity Analysis of Rhizosphere Soil Microorganism of Wild Morchella in Yily
  
DOI:doi:10.3969/j.issn.1005-7021.2019.02.013
中文关键词: 野生羊肚菌  根际土壤  微生物  Biolog-ECO  功能多样性
英文关键词: wild Morchella  rhizosphere soil  microorganism  Biolog-ECO  functional diversity
基金项目:微生物资源保护与开发利用重点实验室开放课题(YLUKLM201603)
作者单位
张相锋 伊犁师范学院 微生物资源保护与开发利用重点实验室新疆 伊宁 835000 
杨晓绒 伊犁师范学院 微生物资源保护与开发利用重点实验室新疆 伊宁 835000 
焦子伟 伊犁师范学院 微生物资源保护与开发利用重点实验室新疆 伊宁 835000 
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中文摘要:
      为研究羊肚菌根际土壤微生物的多样性,采用Biolog-ECO法分析羊肚菌不同深度(土层0~10 cm、土层10~20 cm、土层20~30 cm)土壤根际微生物的多样性;结果表明,培养72 h后,微生物的颜色平均变化率(AWCD)随培养时间的延长而增加,符合微生物培养生长曲线;微生物的代谢活性、对碳源的利用能力、AWCD、多样性指数U、多样性指数H′、丰富度指数S、优势度指数D等随土层加深而减弱,且上层土壤微生物的AWCD、U、H′、S、D等指数显著高于中、下层的;均匀度指数随土层加深而增强,均匀度指数越高,群落一致性越好,多样性则越低,因此羊肚菌根际土壤微生物功能多样性随土层加深而减小,上层具有较高的多样性。
英文摘要:
      The diversity of different soil layer (soil layer 0-10 cm, soil layer 10-20 cm, and soil layer 20-30 cm) rhizosphere microorganisms of Morchella species in Yily area was studied using Biolog-ECO analysis method. The results showed that the average well color development (AWCD) increased as the extension of the cultivation 72 h after cultivation, and accorded with the microorganism culture growth curve. The microbial metabolic activity, the utilization capability for 31 kinds of carbon source, AWCD, Mcintosh index U, Shannon wiener index H′, Richness index S, Simpson index D, etc. decreased with the depth increment of soil, and the diversity indexes of AWCD, U, H′, S and D of microorganism in the upper layer of soil were significantly higher than that in the middle and lower layer. Pielou index E increased with the soil depth. The higher Pielou index E, the better consistence of the microbial community, and the lower diversity. Therefore, the functional diversity of soil rhizosphere microorganisms of Morchella species in Yily area decreased with the depth increment of soil, the upper layer soil had comparatively higher diversity of rhizosphere microorganisms.
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