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Some characteristics of twoRhizobium trifolii isolates differing in salt tolerance

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Abstract

Two isolates ofRhizobium trifolii differing in sodium chloride tolerance were isolated. One isolate could tolerate 0.9 and 0.5 mol NaCl/L, while the second tolerated 0.2 and 0.1 mol NaCl/L on solid agar and liquid media, respectively. The first isolate showed a higher capacity to accumulate sodium ions. The salinity-caused increase in free amino acids, proline and oxo acid pool was higher in the first isolate. The levels of ammonia-assimilating enzymes were maintained at a higher level in this isolate even at 0.5 mol NaCl/L.

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  1. Department of Chemistry and Biochemistry, Haryana Agricultural University, 125 004, Hisar, India

    Sunita D. Singh & H. S. Nainawatee

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  1. Sunita D. Singh
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  2. H. S. Nainawatee
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Sunita, D.S., Nainawatee, H.S. Some characteristics of twoRhizobium trifolii isolates differing in salt tolerance. Folia Microbiol 34, 453–458 (1989). https://doi.org/10.1007/BF02820753

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  • DOI: https://doi.org/10.1007/BF02820753

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