Publicação: Fixação biológica do nitrogênio e crescimento de plantas de leucena (leucaena leucocephala (Lam.) de wit.) sob salinidade
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This study aimed to evaluate the effects of salinity in the growth and nitrogen fixation in leucaena. Plants were cultivated in Leonard pots containing clean and sterilized sand. The treatments were distributed in a completely randomized design, in a 3×3 factorial, with five replicates. The first factor corresponded to no inoculation and inoculation with Bradyrhizobium sp SEMIA 6070 and SEMIA 6153 strains. The second factor corresponded to NaCl concentrations: 0, 25 and 50 mol m-3. Were analyzed the height and dry matter accumulation, the number of nodules and nitrogen in plants. The inoculation of plants with the strain SEMIA 6070 provided higher growth and greater nitrogen accumulation in plants thar were not subject to salinity. Nodulation was not affected by salinity. Inoculation with SEMIA 6153 strain provided greater tolerance to salinity.
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Bradyrhizobium, NaCl, Salt tolerance
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Português
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Revista Caatinga, v. 23, n. 1, p. 90-96, 2010.
