Features of winter resistance of collections samples of winter wheat in the conditions of the Northern Forest-steppe

L. Golyk, V. Starychenko, N. Kobernyk, I. Guba, I. Klymenko

Анотація


At present, the actuality of the problem of creating a new winter wheat varieties with high productivity and stability has increased significantly. One of the ways to solve it is to improve the winter resistance of genotypes, in which this feature must be realized at the minimum level required for a particular region.

The purpose of research was to establish the peculiarities of the winter resistance of collections samples of winter wheat in the conditions of the northern part of the forest-steppe of Ukraine for use in the breeding process when creating a new source material.

140 collectible samples of bread wheat of various ecological and geographical origin were studied in the experiment. It has been established that for six years of research in collections samples winter resistance varied from 4 to 9 points, and in extreme 2013 - from total plant death to 9 points. In the conditions of the Northern Forest-Steppe in the extreme 2013 (especially for resistance to snow mold), better were collections samples of breeding of the Myronivsky Wheat Institute named after VM Remesla - Myronivs'ka 808, Demetra, Kolos Myronivsky, Kalynova, Kryzynka, Myronivska 65, Economka; Bilotserkivska DSS - Olesya, Perlyna Lisostepu; NPO Bor - Titona; NSC "IZ NAAS" - Kopylivchanka, Analog, Kesarija Polisska, Roma­nivna, Symphony; IP them V. Ya. Yuriev - Alliance, Perfect.

The best frost resistance of sprouts had samples Copylivchanka, Benefis and Polisska 90 (NSC "IZ NAAS").


Ключові слова


soft winter wheat, winter hardiness, frost resistance, snow mold, extreme conditions, sprouts

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Посилання


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