Evaluation of the combined inoculation of Bradyrhizobium japonicum-arbuscular mycorhizal fungi and the application of a crop growth biostimulator in soybean growing in winter season

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Published: Jul 9, 2012
Keywords:
soybeans, Bradyrhizobium elkanii, arbuscular mycorrhiza, plant growth stimulants

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J. Corbera
Instituto Nacional de Ciencias Agrícolas

Abstract

The study was carried out at the NationalInstitute of Agricultural Sciences (INCA) on a Lixiviated RedFerralitic soil, with the objective of evaluating the effect of thecombined inoculation of Bradyrhizobium elkanii andarbuscular mycorrhizal fungi, along with the application of acrop growth biostimulator, on soybean response of INCAsoy-24 cv.A randomized block design with four repetitions per treatmentwas employed, which consisted of inoculating thesemicroorganisms, in their single and cocktail forms, by meansof a seed recovery technology, as well as applying a cropgrowth biostimulator through different ways to the previoustreatments. Results showed a positive effect of the combinedinoculation of both biofertilizers on soybean cultivar growthand yield, with increments of 31,2 %, so confirming thesynergical and beneficial effects of Bradyrhizobium elkanii-arbuscular micorrhiza fungal coinoculation in this crop.Increments were slightly higher when applying crop growthstimulator to this treatment, it showing no significantdifferences, either by seed recovery or leaf application, withvalues of about 37,6 and 34,4 % respectively. Treatments wherethe biostimulant was applied showed better yields than thecontrols; thus, production increments from 2,44 to 14,91 %were achieved, according to the treatment evaluated, it provingits effectiveness on crop growth stimulation.

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How to Cite
Corbera, J. (2012). Evaluation of the combined inoculation of Bradyrhizobium japonicum-arbuscular mycorhizal fungi and the application of a crop growth biostimulator in soybean growing in winter season. Cultivos Tropicales, 31(4), 43–50. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/76
Issue
Vol. 31 No. 4 (2010)
Section
Original Article

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