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KMID : 0903519850280030149
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1985 Volume.28 No. 3 p.149 ~ p.155
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Selection of R . japonicum Strains for Developing Soybean Inoculant and Plasmid Characterization
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김창진/Kim, Chang Jin
김성훈/민태익/이윤/유익동/Kim, Sung Hoon/Mheen, Tae Ick/Rhee, Yoon/Yoo, Ick Dong
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Abstract
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590 strains of Rhizobia were isolated from root nodules of the legumes collected at 223 sites in Korea. According to their host specificities they were classified into R. japonicum(218 strains), R. phaseoli(101 strains), R. trifolii(97 strains), P. meliloti (4 strains), R. leguminosarium(1 strain), Rhizobium species(101 strains), and unidentified species(159 strains).
3 potent strains R-138, R-168, and R-214 of R. japonicum have been selected based on the infectivity to soybean cultivar and efficiency of nitrogen fixation.
It was observed that the fast-growing strains of R. japonicum contained 1 to 4 plasmids of M.W. of 35-300 Md. However, plasmids were hardly detected for the slow-growing straps.
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