Abstract
Resistance of lines of winter bread wheat created with the participation of spring-winter hybrids to leaf stead diseases
Highlights
The use of spring wheat in intraspecific hybridization with the winter type has been implemented for many years in various scientific institutions around the world
The source material for the research was a collection of samples of spring soft wheat of various genetic and ecological-geographical origin in the amount of 101 pieces (Ukraine, Russia, Mexico, Canada, Germany), lines F3 (18 pcs.), F4 (141 pcs.) and F5 (66 pcs.), created from combinations of crossing spring samples with breeding varieties of the Plant Breeding and Genetics Institute – National Centre of Seed and Cultivar, different in biological properties (Odes‘ka 16, Odes‘ka 267, Victoria odes‘ka, Kuyal‘nik, Kiria)
Based on the results of the evaluation, it can be concluded that brown rust damage occurs less frequently in lines from combinations with Mexican varieties that carry genes for resistance to brown and stem rust pathogens
Summary
The use of spring wheat in intraspecific hybridization with the winter type has been implemented for many years in various scientific institutions around the world. Thanks to this method, the transfer of the most valuable features and properties from spring to winter wheat has acquired significant opportunities to improve the local variety. 2. Literary review The production of high-quality grain for food use remains the main task of agricultural producers. Literary review The production of high-quality grain for food use remains the main task of agricultural producers The decision of this question without modern means of production is practically impossible. The choice of the variety is sometimes decisive in production among other factors [1]
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