Caracterization of rizobia isolates from soybean nodules (Glycine max (L.) Merril) with potenciality to promote the plant growth

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Published: Mar 13, 2015
Keywords:
siderophores, Rhizobium, rhizobacteria

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Ionel Hernández Forte
Instituto Nacional de Ciencias Agrícolas (INCA)

Abstract

The objective of this work was to characterize four rhizobia and isolated from soybean nodules about three positive attributes which characterize these promoting growth plant rizobacterias. The siderophores and indol acetic acid (AIA) production and the specific activity of 1-aminocyclopropane-1-carboxylate (ACC) desaminase enzyme, were determinated. Siderophore was produced only by S11 isolated. All bacterial isolates and the strain produced IAA, but S11 produced the highest concentrations. All isolates, except S11, showed ACC deaminase enzyme activity when they were cultivated with the ACC precursor. The characterization allowed to know beneficial attributes, which represent advantages in the competitiveness of these bacterias in the crop rhizosphere, which together with their ability to perform the biological nitrogen fixation, could promote soybean plants growth.

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How to Cite
Hernández Forte, I. (2015). Caracterization of rizobia isolates from soybean nodules (Glycine max (L.) Merril) with potenciality to promote the plant growth. Cultivos Tropicales, 36(1), 65–72. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/941
Issue
Vol. 36 No. 1 (2015)
Section
Original Article

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