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首页> 外文期刊>Journal of plant interactions >Diversity and plant growth-promoting ability of endophytic fungi from the five flower plant species collected from Yunnan, Southwest China
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Diversity and plant growth-promoting ability of endophytic fungi from the five flower plant species collected from Yunnan, Southwest China

机译：中国西南部云南省云南省五朵花植物物种内生真菌的多样性和植物生长能力

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摘要

The diversity and plant growth-promoting ability of endophytic fungi associated with the five flower plant species growing in Yunnan, Southwest China, were investigated. A total of 357 culturable endophytic fungi were isolated from 1000 segments of healthy leaves and stems of the five plant species. Based on the morphological characteristics and the rDNA internal transcribed spacer (ITS) analysis, the isolates were identified to 24 taxa, of which Alternaria, Phomopsis, Cladosporium, and Colletotrichum were the dominant genera. The Sorenson’s coefficient similarity indices of the endophytic fungi from the five flower plant species ranged from 0.36 to 0.80. It was found that the similarity index between two cultivated flowers (0.8) or the similarity index between two wild flowers (0.71–0.76) was higher than the similarity index between one cultivated flower and one wild flower (0.36–0.48). The Shannon indices (H) of the endophytic fungi from the five plant species ranged from 1.73 to 2.45, and the diversity indices of the wild flowers were higher than those of the cultivated flowers. The plant growth-promoting tests indicated that some isolates could improve the host plants’ growth more efficiently when compared with the control (p 0.05, least significant difference test).
机译：调查了与云南省云南，西南部云南省云南，中国西南部的五花生真菌的多样性和植物生长促进能力。共有357种培养的内生真菌从五个植物物种的健康叶片和茎中分离出来。基于形态学特性和rDNA内转录的间隔（其）分析，将分离物鉴定为24个分类群，其中alertaria，phomopsis，cladosporium和colletotrichum是主要的属。来自五种花植物物种的内心真菌的Sorenson系数相似度指数范围为0.36至0.80。发现两种栽培花（0.8）之间的相似性指数或两种野花（0.71-0.76）之间的相似性指数高于一个栽培花和一朵野花（0.36-0.48）之间的相似性指数。来自五种植物物种的内生真菌的香农索引（H）从1.73到2.45的范围，野花的多样性指数高于栽培花朵。植物生长促进试验表明，与对照相比（P <0.05，最小差异试验最小差异测试）相比，一些分离株可以更有效地改善宿主植物的生长。

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