Prospects for Sunflower Cultivation in the Krasnodar Region with the Use of Plant Growth Regulator
2016
Nenko, N.I. | Neshchadim, N.N. | Yablonskay, E.K. | Sonin, K.E.
Based on the biological characteristics of sunflower, Krasnodar region is the most favorable area for high and stable yields of this crop in the Russian Federation. However, there is a manifestation of the drought in the summer time that adversely affects the productivity and quality of sunflower seeds. Increased resistance to adverse weather conditions is possible only on the basis of deep studying of the physiological features of formation of productivity and quality of seeds, which is a very urgent task The effect of plant growth regulator furolan on growth, productivity and the formation of physical and chemical indicators of quality of sunflower seeds of the P-453 varieties, the SEC and the RMS selection by VNIIMK were investigated. The treatment of vegetative plants by furolan has activated the growth and biomass accumulation in the stems, improved the photosynthetic activity of plants, leaf area increased, thereby increasing their life expectancy and productivity of photosynthesis. Increased plants productivity reduced their empty grain, increasing the geometric dimensions of the seeds and sunflower kernels, reduced seed husk content, oil content and increased oleic acid content in the oil.
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