Adaptability of winter cereals and their varieties to abiotic winter ffactors
DOI:
https://doi.org/10.30835/2413-7510.2014.42070Keywords:
Winter wheat, winter rye, winter triticale, winter barley, winter hardiness, frost resistanceAbstract
The studies have determined frost resistance and winter hardiness levels of current varieties of winter cereals, revealed their association with geographical origin of the varieties. The relations between winter cereals were defined by the value of variety winter hardiness, and the levels of their kinship were established on this basis.
The necessity of screening of frost resistance of winter varieties under controlled conditions, which allows restricting the introduction of varieties with insufficient frost resistance in agricultural production, prevents considerable financial loss of enterprises due to winter-killing of crops, and increases the production efficiency of winter cereals, was proved.
It is recommended to involve winter rye varieties and hybrids in the production and expand the area under this culture, which will provide secured overwintering of winter crops even in weather unfavorable years and will help stabilize the grain balance and food security of the country.
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