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Information × Registration Number 0215U008657, 0114U002310 , R & D reports Title To create variety of winter rye with short stem and a potential yield of 7,0-8,0 mt/ha, drought-resistant, cold-resistant, resistant to lodging and disease lesions, with quality grain. popup.stage_title Head Staryсhenko Vasyl Mykolaevych, Registration Date 11-01-2016 Organization National scientific centre "Institute of agriculture of National academy of agrarian scences" popup.description2 The object of the research: breeding and seed growing of winter rye.The purposes of the research: select and release to the state variety trials a new varieties of winter rye with a potential yield of 7.0-8.0 t/ha, resistant to lodging, with a complex resistance for diseases: snow mold, powdery mildew, leaf blotch, seedling Fusarium blight, high-yielding ears with three-grain spikelets in the ear instead of two-grain, with a high frost resistance and grain quality.Research methods. The study was conducted using conventional breeding methods. For creating varieties we used applied inverse and direct saturating crosses of high-yielding tall varieties with dominant donors of dwarfing to obtain homozygous by the dominant gene Ht synthetic populations that are not segregated on plant height. Studies of the breeding material were conducted on full scheme of selection process. All observations and evaluation of breeding material in nurseries of different levels carried by the method of state variety trials. The obtained yield data of a selected samples and varieties were processed by methods of variation statistics. The analysis of the seeds quality characteristics was determined on the device Infratec-1241.The research results and their novelty. Variety of winter rye Levitan (number 14-13) was transferred to the State variety testing with yield from 3.5 t/ha to 8.5 t/ha in 2013-2015. Selected in the competitive variety testing of winter rye three numbers: 14-13, 13-14, 25-12, which yields exceeded the standard Siverske (7.1 t/ha) respectively by 1.4 t/ha, 0.7 t/ha and 0.6 t/ha.Highlighted in the preliminary variety testing of winter rye best numbers 199-12, 208-12, 201-12, which had a yield increasing 0.6-0.8 t/ha.For two years in a breeding kennel sampled 290 plants from the complex of signs: many-flowered spikelet, resistance to lodging and the main diseases, high grain fullness of ear, a strong link of the root system with soil.Established high positive correlation (r=0.88) between the number of flowers per spikelet and number of grains per spike, suggesting the feasibility of selection for many-flowered spikelet. The average positive correlation also exists between number of flowers per spikelet and number of spikelets in the ear (r=0.58). Low negative correlation is observed between number of flowers, weight of 1000 grains and spike density r= 0.001 and r= - 0.22.Conducted a number of crosses by diallel scheme and obtained seeds of 78 hybrids. We continued the implementation of winter rye varieties Intensyvne-95 Intensyvne-99, Siverske in agriculture production. Product Description popup.authors Буряк Василь Юхимович Губа Ірина Іванівна popup.nrat_date 2020-04-02 Close