Yield and quality of flax seeds of sunlin oil variety

The paper presents the newly developed Sunlin oilseed flax variety possessing valuable biological and economically useful properties inherent in flax as a plant. The composition of its oil is adapted for long-term storage. Over a period between 2017 and 2019, a technology has been developed for cultivating this type of flax in the soil and climatic conditions of the Non-Chernozem zone of Russia, which allows obtaining oilseeds with high quality indicators. For 2017-2019, the average yield of the Sunlin variety of about 16.5-18.8 kg was achieved in the Ryazan region. Higher yields were provided by crops with a high level of mineral nutrition (N90-120P60K60) and seeding rates (8-10 million units/ha), at the earliest possible sowing period. It has been established that in the conditions of the Ryazan region, a higher yield of flax of the Sunlin oilseed variety is achieved at the first sowing period, i.e. the first decade of May. The sowing period had a significant effect on the water and temperature regimes of the development of the Sunlin flax variety throughout the growing season. The conducted studies have led to a conclusion on the accumulation of fatty acids in flax seeds at different stages of maturation. Based on the results, the authors have presented the dynamics of changes in the chemical composition of seeds, depending on the phase of growth. The analysis of flax seeds at different stages of maturation showed the predominance of initially saturated and oleic acids, with later formation of linoleic and linolenic acids. On average, in the phase of full ripeness, the Sunlin seeds contain the following valuable unsaturated acids: oleic - 18.3%, linoleic - 65.9%, and linolenic - 8.0%. The highest oil content was observed in fully ripenedseeds. On average, the oil content of the Sanlin variety amounted to 42.5%.

лен масличный, льняное масло, сорт, жирнокислотный состав, химический состав, фаза роста, урожайность, oil flax, linseed oil, variety, fat-and-acid composition, chemical composition, growth phase, yield

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