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Pastos y Forrajes
On-line version ISSN 2078-8452
Abstract
BECQUER-GRANADOS, Carlos J et al. Effect of the inoculation with Bradyrhizobium sp. and Trichoderma harzianum in Triticale (X. Triticosecale Wittmack), under drought stress conditions. Pastos y Forrajes [online]. 2016, vol.39, n.1, pp. 19-26. ISSN 2078-8452.
At the Pastures and Forages Research Station Sancti Spíritus, a field trial was conducted under drought stress conditions, to evaluate the effect of the inoculation with a strain of Bradyrhizobium sp. and the fungus Trichoderma harzianum, in triticale (X. TriticosecaleWittmack). The experimental design was completely randomized, with four replications and seven treatments. A control fertilized with NH4NO3 (150 kg N/ha) was used, as a well as an absolute control and five inoculated treatments. The variables aerial dry weight, root dry weight, stem length, grain yield, weight of a thousand seeds and number of grains per ear were evaluated. The simple application of Bradyrhizobium or in combination with Trichoderma, in general, exerted a positive effect on the plants, and was higher than the application of chemical fertilizer. It was also observed, that the development of the aerial part and the grain yield were not related to the application of mineral nitrogen, but to the inoculation. It is recommended to conduct similar experiments on different soil types in the Sancti Spíritus province, under drought stress conditions.
Keywords : microorganisms; yield; Rhizobium.