The effect of preparations of biological origin on the yield of oil flax seeds in the conditions of the Kirov region

The results of studying the production of ecologically pure oils from seeds and fruits of agricultural crops using the technologies rationally combining chemical and biological directions of plant protection are presented. Oil flax is a valuable source of polyunsaturated fats, contains a significant amount of protein, dietary fiber, belongs to the products of functional orientation. The research on the effect of preparations of biological origin on the yield of oil flax seeds was carried out in the Kirov region. The application of the preparations humate +7 “Healthy Harvest” and pseudobacterin-2L was studied in the field experiment. The studies were conducted on oil flax of the Severny variety, treating its seeds, vegetative plants in the “herringbone” phase, as well as combining these two methods of treatment.
The preparations were applied in pure form and their complex combination was used. It was found that preparations of biological origin significantly increase field germination by 2.4% on average in the variants of the experiment. Maximum excess of control was observed in the variants with seed treatment with humate +7 “Healthy Harvest” (85.6%), as well as with a complex of preparations of biological origin (humate +7 “Healthy Harvest” + pseudobacterin-2L) (86.3%), double use of the complex leads to an increase in viability by 7.4%. The greatest effect of application on seed yield was observed when the studied preparations were used for pre-sowing treatment and applied twice. The maximum level of yield was observed with twofold use of a complex of preparations of biological origin (1.43 t/ha). A reliable positive effect of double application of the complex of preparations of biological origin on the number of bolls on one plant (12.3 pcs.) was established. Treatment of seeds with humate +7 “Healthy Harvest” as well as double application of the studied preparations and their complex (on average by 16%) increases the number of full-grown seeds in a boll. No reliable effect of biological origin preparations on 1000 seed weight was found. The use of complex humate +7 “Healthy Harvest” + pseudobacterin-2L for pre-sowing seed treatment and subsequent treatment of plants in the “herringbone” phase can be recommended to grow oil flax according to the technology that provides for an increase in the degree of biologization,

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