COMPARATIVE ESTIMATION OF THE ADAPTIVE POTENTIAL OF WINTER RYE VARIETIES BY THE PROTEIN CONTENT IN THE GRAIN IN THE CONDITIONS OF THE LENINGRAD REGION
Abstract
For the period 2012-2017, the calculation and analysis of the adaptability parameters based on the "protein content in grain" was made. The average protein content in the grain of the tested winter rye varieties in the NorthWest region was 10.3% and varied from 8.7% to 12.2%, depending on the environmental conditions and hereditary characteristics of the varieties. Increased protein content was observed in 2012, 2013, and 2016 (10.7%, 11.9%, and 12.2%, respectively). Analysis of the average protein content in grain showed that Ilmen, Vavilovskaya, Krasnoyarsk universal, New Era, and Yantarnaya varieties exceeded the standard Era variety by (1.0-10.0%). The results of a ranking assessment of the adaptive capacity of nine new varieties using four common methods indicate an objective possibility of identifying and introducing environmentally plastic varieties into production. According to these parameters, winter rye varieties are more resistant to limiting environmental factors in terms of grain quality: Krasnoyarsk universal, Yantarnaya, Vavilovskaya, Nika 3 varieties are intended for use for food, feed and technical purposes in the North-Western region of Russia.
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