Photosynthetic productivity of soybean seed depending on inoculation and retardants in conditions of fores-steppe of Ukraine
Keywords:
soybeans, varieties, inoculation, retardant, photosynthetic productivity, crop capacityAbstract
It studied the influence of complex application of inoculation and retardant on the formation of photosynthetic and seed productivity of soybean seed varieties KyVin, Knyazhna and Monada. It is developed physiologically-based regulations and standards of applying in soybean crops. Noted that the variants which generated maximum exposure photosynthetic productivity, including the accumulation of dry matter, the pure productivity of photosynthesis, the contents of chlorophyll a + b, observed the maximum yield of soybean seeds. So the highest seed yield grade of KyVin (2.13 t / ha), Knyazha (2.14 t / ha) and Monada (2.39 t / ha) was obtained by seed treatment of bacterial drug OPTIMISE and spraying crops in the phase of budding with chlormekvathloryd , that is respectively more on 47, 38, 40% compared to the control without bakterization and processing of crops retardants). In addition, different varieties reacted differently to the concentration of chlormekvathloryd. Thus, for a variety KyVin the most effective concentration was 1%, and for the varieties Knyazhna and Monada - 0.75%. It is noted that the increases yield for processing crops by chlormekvat-chloride of various concentrations were higher in inoculated seeds background.References
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