从埃塞俄比亚土壤中分离根瘤菌（三叶草亚种）菌株及其对非洲一年生三叶草物种的共生有效性。
Isolation of Rhizobium leguminosarum (biovar trifolii) Strains from Ethiopian Soils and Symbiotic Effectiveness on African Annual Clover Species.
机构信息
Department of Agronomy, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061.
出版信息
Appl Environ Microbiol. 1990 Apr;56(4):1087-92. doi: 10.1128/aem.56.4.1087-1092.1990.
Strains of Rhizobium leguminosarum (biovar trifolii) isolated from two Ethiopian soils or obtained from a commercial source were evaluated for symbiotic effectiveness on five African annual clover species. Numerous Rhizobium trifolii strains that exhibited varying levels of symbiotic effectiveness were isolated from both soils (a nitosol and a vertisol), and it was possible to identify strains that were highly effective for each clover species. The soil isolates were, as a group, superior to the strains from the commercial source. Several R. trifolii strains were found to be effective on more than one clover species, and there appeared to be at least two and possibly three distinct cross-inoculation effectiveness groups.
从埃塞俄比亚的两种土壤中分离或从商业来源获得的根瘤菌菌株（三叶草生物变种）被评估对五种非洲一年生三叶草物种的共生有效性。从两种土壤（氮溶胶和变性土）中分离出了大量表现出不同共生有效性水平的根瘤菌三叶草菌株，并且有可能鉴定出对每种三叶草物种都非常有效的菌株。土壤分离株作为一个群体优于来自商业来源的菌株。发现有几种根瘤菌菌株对一种以上的三叶草物种有效，并且似乎至少有两个，甚至可能有三个不同的交叉接种有效性组。
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