The role of primary root system, coleoptile length and cold resistance in the yield formation of semi-dwarf varieties of spring barley (Hordeum vulgare L.)

Abstract

For the resistance to a soil drought in the early stages of seed germination the key role plays the primary root system: an activity of seed germination, the number of seminal roots and their length, dry weight of roots and coleoptile length and also the degree of cold resistance at the seedling stage. The stages and methods of the creation of six-row medium-grown barley varieties Vakula and Helios and semi-dwarf varieties Ros and Halychanyn are described.

Keywords

• spring barley
• seminal roots
• coleoptile
• cold resistance
• semidwarfism
• breeding
• variety
• yielding capacity