Selection of Sinorhizobium meliloti with Acid and Aluminum Tolerance
Xiao Shu-lei
Abstract
Xiao Shu-lei
Abstract
5 rhizobium strains (S0710,S0713,L0701,L0702 and P0701) were selected from 22 strains which were separated from Medicago sativa L., Medicago lupulina L. and Medicago polymorpha L. The 5 strains all grew normally at pH5, S0713 and P0701 even grew in the acid medium with pH4. In acid medium, the Al3+ tolerances of L0701 and P0701 were better, but S0710 was sensitive to Al3+.
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5 rhizobium strains (S0710,S0713,L0701,L0702 and P0701) were selected from 22 strains which were separated from Medicago sativa L., Medicago lupulina L. and Medicago polymorpha L. The 5 strains all grew normally at pH5, S0713 and P0701 even grew in the acid medium with pH4. In acid medium, the Al3+ tolerances of L0701 and P0701 were better, but S0710 was sensitive to Al3+.
Key concepts: Sinorhizobium meliloti, Medicago sativa, Sinorhizobium, Medicago, Rhizobium, Biology, Selection (genetic algorithm), Strain (injury)