EVALUATION OF INOCULATION WITH AZOSPIRILLUM BRASILENSE IN SOYBEAN IPRO CULTIVARS IN TOCANTINS
DOI:
https://doi.org/10.36725/agries.v11i1.11132Keywords:
Bioinputs, Plant development, Nitrogen Fixation, Glycine max L., NodulationAbstract
Soybean (Glycine max (L.)) is of great economic and nutritional importance in Brazil. The use of growth
promoting bacteria, such as Azospirillum brasilense, constitutes a sustainable strategy to enhance crop
development. This study evaluated the effects of inoculation with A. brasilense in two cultivars, Olimpo IPRO
and NEO 720 IPRO, considering the variables: shoot height, root length, and number of nodules. The
experiment, conducted in a greenhouse, was carried out in a completely randomized 2x2 design with three
replications. Inoculation significantly increased root length and nodulation, especially in the Olimpo IPRO
cultivar, while shoot height was greater in non-inoculated plants. The results indicate that A. brasilense directs resources to the root system, favoring nutrient absorption and biological nitrogen fixation, which is carried out by Bradyrhizobium, a practice particularly beneficial for soybean cultivation in regions with Cerrado soils, such as Tocantins.
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