Increasing of Food and Bioenergy Potato Resources by Microbial Influence on Tubers Phytohormonal Status

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Potato and its by-products became a promising both food and bioenergy resource. The determination of the bacteriaantagonists influence on phytohormone status and productivity of potato tubers was studied. The indole-3-acetic acid content during the dormancy end and germinating in the tubers treated with Bacillus subtilis Ch-13 was fewer than in the control samples. L-tryptophan significant quantity compared to the control was found in the treated tubers in a state of physiological dormancy (more than 2-fold) and especially during active germination (43 times greater). Average potato yield increase at treated fields was of 18.8 %.

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