Published in Scientific Papers. Series A. Agronomy, Vol. LXV, Issue 2
Written by Raisa VOZHEHOVA, Vira BOROVIK, Serhiy KOKOVIKHIN, Iryna BILIAIEVA, Olena KOKOVIKHINA, Lubov BOIARKINA, Olena SHKODA
The article presents the results of studying of the gene pool of cotton in different years of heat supply, with and without irrigation. As a result of many years of research from the collection of the gene pool, more than 30 sources of economic and valuable traits have been identified, which are characterized by high adaptability to environmental factors, excellent indicators of product quality. On the basis of the studied material, two working signs and a training cotton collection were formed. Valuable samples of cotton were isolated from the gene pool on the basis of economically valuable features. These included drought resistance, fiber color, a combination of signs of precocity and partial pubescence of seeds, high attachment of the first sympodial branch and large capsule, long fiber, ultra-early maturity and high productivity. Also, medium-fiber high-yielding very early varieties of cotton - 'Dniprovskyi 5' and 'Pidozerskyi 4' were created.
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