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The effect of application of micromycetes on plant growth, as well as soybean and barley yields

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Ignatova L., Brazhnikova Y., Berzhanova R., Mukasheva T.
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2015
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vol. 62
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issue 4
669-675
EN
The possibility of application of micromycetes (strains Penicillium bilaiae Pb14, Aureobasidium pullulans YA05 and Rhodotorula mucilaginosa YR07) to increase yields of soybean (Glycine max cv Almaty) and barley (Hordeum vulgare cv Arna) was estimated. It was shown that the most positive effect on germination energy and seed germination after seed treatment with liquid culture, supernatant and filtrate, is achieved at 1:5 dilution. In studying the influence of cell-associated and extracellular biologically active compounds of micromycetes (liquid culture and supernatant) on biometric parameters of seedlings, the maximum stimulating effect was observed in the variants with liquid culture. These strains of micromycetes were used as a bases for various compositions of preparations - application of each strain separately and application of micromycetes mixes. In microfield experiments, the increase of soybean yield ranged from 4.5 to 9.4 quintal/ha, barley - from 2.9 to 5.9 quintal/ha. A significant increase in various parameters of structure of the yield was shown in all experimental variants when compared to the control. It was found that an increase in soybean and barley yields and yield components was higher in the variant with a mix of micromycetes when compared to the separate application of each strain. The most efficient mixture was based on the mix of fungal strains (culture filtrate of P. bilaiae Pb14 diluted 1:5 + liquid cultures of A. pullulans YA05 and Rh. mucilaginosa YR07 in a 1:5 dilution).
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