|Table of Contents|

Phenotypic Diversity of Soybean Rhizobia in Anhui Province(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2011年02期
Page:
219-223
Research Field:
Publishing date:

Info

Title:
Phenotypic Diversity of Soybean Rhizobia in Anhui Province
Author(s):
WU Ping; HE Qing-yuan; LI Zheng-peng;  SHI Jun; ZHU Chang-wei; SHENG Wei
College of Life Science, Anhui Science and Technology University，Fengyang 233100，Anhui，China
Keywords:
Soybean;  Rhizobia;  Phenotypic diversity
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2011.02.0219
Abstract:
Thirty-two unknown strains were obtained after isolation and purification from soybean nodules which collected in different areas of Anhui province. One hundred and twelve physiological and biochemical indexes of their nutrient utilization, antibiotic sensitivity, stress tolerance and other traits were tested. The results showed that there were much differences in carbon utilization, antibiotic resistance and stress tolerance among the strains from different areas and even the same area. Fifty-seven traits of all tested characteristics had differences among strains. 93.8% strains could grow in the medium containing 3.0% NaCl and 78.1% strains grow in the 7.0% NaCl medium. None of the strains could grow under the condition of initial pH3, but all except AH09 and AH24 could grow at initial pH12. All the strains could survive after treated at 4℃ for 24 h, but all died at 60℃ for 24 h. All strains could grow in the medium containing 300 mg·L-1 gibberellin or fosfomycin, but sensitive to streptomycin. Cluster analysis showed that soybean rhizobia of Anhui province were divided into two groups, 29 strains belonged to one group, and had high similarity.

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Last Update: 2014-09-11