Technology of cultivation of elite seeds of spring barley in Lower Volga region of Russia

Citation :- Technology of cultivation of elite seeds of spring barley in Lower Volga region of Russia. Res. Crop. 24: 481-486
E. P. SUKHAREVA AND A. V. BELIKINA belikina-a@vfanc.ru
Address : Federal State Budget Scientific Institution, «Federal Scientific Centre of Agroecology, Complex Melioration and Protective, Afforestation of the Russian Academy of Sciences», (FSC of Agroecology RAS) Volgograd, Russia
Submitted Date : 8-04-2023
Accepted Date : 27-06-2023


Spring barley is an important grain crop for food and fodder purposes. Providing quality seeds to grain producers will contribute to the stabilization of gross crop yields. Therefore, the cultivation of high-quality seed material is an urgent task for producers of spring barley grain. To determine the option for the effective use of pesticides and agrochemicals in the technological cycle for the production of spring barley seeds, a single-factor field experiment was laid using seeds from the selection of the Federal Scientific Center of Agroecology of the Russian Academy of Sciences on a site in the steppe zone of chernozem soils in 2020-2022. Super-elite seeds were sown for seed purposes with a seeding rate of 3.5 million germinating seeds per hectare after the black fallow predecessor. All repetitions in the experiment were placed in one field, the repetition of variants in the experiment was three times, their placement was systematic, sequential, in blocks in one tier. The area of the experimental plot was 180 m2.The seeding depth is 5-7 cm, the sowing method is ordinary, with C3C-2.1 grain seeders, followed by rolling, when sowing seeds in all variants of the experiment, Nitroammophoska fertilizer 80 kg/ha was applied. In the second variant, preparations were used: a herbicide in the phase of the first 2-3 leaves to eliminate weeds, a fungicide - fungal diseases and a growth regulator to start the growth of spring barley and form productive shoots. In the third variant, during the formation of the reproductive organs of barley, the second foliar treatment with a growth regulator with microfertilizer was carried out. The highest seed yield of 3.8 t/ha was recorded in the third variant of the experiment. The protein in the seeds of the harvest was 15.3%, the weight of 1000 grains was 53.1 g. The achieved profitability of the production of barley seeds in the experiment reached 218.2%. The influence of agrochemicals and chemical plant protection products was 90.3% in the technology of production of spring barley seeds. The highest profitability of 218.4% was obtained in the third variant with the use of mineral fertilizers and foliar top dressing at the tillering and heading phases. The influence of agrochemicals and chemical plant protection products was 90.3%. The influence of varieties was 9.7% in the production technology of spring barley seeds in the region.


Agro-chemicals economic efficiency pesticides productivity spring barley


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