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Effects of Different Biostimulants on Seed Germination of Sorghum Plants
 
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1
M. Auezov State University, 5 Tauke Khan Ave., Shymkent, 160012, Kazakhstan
2
Abai Kazakh National Pedagogical University, 13 Dostyk Ave. Almaty, 050010, Kazakhstan
CORRESPONDING AUTHOR
Gani Yeskermesovich Kalymbetov   

M.Auezov South Kazakhstan University, Tauke Khan Ave 5, Shymkent, 160012, Kazakhstan
 
J. Ecol. Eng. 2023; 24(3):134–142
 
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ABSTRACT
By creating highly productive phytobiomes, selection of new types of biostimulants on the basis of organic substances and microorganism has a decisive role. It could be done by taking into account natural and climatic peculiarities of the region. The article described the importance of sugar sorghum and substantiates the introduction of an adaptive variety to increase the productivity of fodder sorghum and the best option of using growth biostimulants. The results of evaluating the effectiveness of growth biostimulants under laboratory conditions on the main nutritional valuable traits were presented. The treatment of optimal parameters of sugar sorghum seeds with biostimulants in the Research laboratory "Industrial biotechnology" of M. Auezov South Kazakhstan University was determined. It was shown that the "Azotofertil" biostimulator has a high efficiency in pre-sowing seed treatment. For comparative evaluation of potentialities of new biostimulant, MERS biostimulant adapted to climatic conditions was chosen. According to research results, both biostimulants showed high efficiency for seed pre-sowing treatment. The best concentration for treatment of planting material was established. Energy of germination, swelling and the number of germination of seeds of sugar sorghum variety Kazakhstan-16 were determined. In evaluating the activity of biostimulants for efficiency, the dynamics of their friendly germination was traced. At 4% concentration and temperature above 14°C, the advantage of "Azotofertil" biostimulator based on Azotobacter chroococcum strain was proven. Seeds of sugar sorghum variety Kazakhstan-16 showed the best results with 96±3% germination.