Abstract
In this study, we isolated bacteria from rhizosphere and endorhizophere of wheat crops of the central region of Argentina. The isolates were phenotypically characterized and the restriction patterns of 16S rDNA (ARDRA) using endonuclease AluI were analysed. Representative isolates were used to evaluate the effect of the inoculation on the growth of wheat under greenhouse conditions. The effects of plant growth-promoting bacteria on wheat plants were studied by evaluating shoot fresh and dry weights and root fresh and dry weights. One native strain increased the shoot and root dry biomass by 23% and 45% respectively. Other strains increased the shoot dry biomass. A 1.5 kb fragment of the 16S rRNA gene of one isolate was sequenced. This isolate showed high identity with different species of Pseudomonas.
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