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首页> 外文期刊>Brazilian Archives of Biology and Technology >Identification and colonization of endophytic fungi from soybean (Glycine max (L.) Merril) under different environmental conditions
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Identification and colonization of endophytic fungi from soybean (Glycine max (L.) Merril) under different environmental conditions

机译：在不同环境条件下大豆（Glycine max（L.）Merril）内生真菌的鉴定和定殖

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摘要

A total of 297 endophytic fungi were isolated from 1728 leaf and stem fragments collected about twenty and forty days after germination from soybean (Glycine max (L.) Merril) plants grown in the field and a greenhouse. The fungi belonged to eight groups, six dematiaceous genera (Alternaria, Cladosporium, Chaetomium, Curvularia, Drechslera and Scopulariopsis) and the non-dematiaceous genera Acremonium, Aspergillus, Colletotrichum, Fusarium, Paecilomyces and Penicillium along with some Mycelia sterilia.. There were qualitative and quantitative differences in the type and number of isolates obtained from greenhouse and field-grown plants, with more isolates being obtained from the latter. No difference was found in the number of fungi isolated from leaves and stems irrespective of where the plants was grown. For was field-grown plants, the number of isolates decreased as the plants aged and more fungi were found in tissues near the soil, while for greenhouse-grown plants the number of isolates increased as the plants aged but in this case no more fungi were isolated from those tissues nearer the soil. These results could have biotechnological relevance for the biological control of pests or plant growth promotion.
机译：从发芽后约二十四和四十天从田间和温室中生长的大豆（Glycine max（L.）Merril）植物中收集的1728个叶和茎片段中分离出总共297种内生真菌。真菌属于八类，六个皮肤病科（Alternaria，Cladosporium，Chaetomium，Curvularia，Drechslera和Scopulariopsis）和非皮肤病属顶生菌属，曲霉，炭疽菌，镰刀菌，镰刀菌和青霉菌以及一些菌丝体。从温室和田间种植的植物中分离株的类型和数量上的数量差异，从后者中获得更多的分离株。无论从何处种植植物，从叶和茎中分离出的真菌数量均无差异。对于田间生长的植物，分离株的数量随着植物的衰老而减少，并且在土壤附近的组织中发现更多的真菌;而对于温室生长的植物，分离株的数量随着植物的衰老而增加，但是在这种情况下，没有更多的真菌被分离。从靠近土壤的那些组织中分离出来。这些结果可能对有害生物的生物防治或促进植物生长具有生物技术意义。

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