Journal of Stress Physiology & Biochemistry, Vol. 15 No. 2 2019, pp. 62-67  ISSN 1997-0838
Original Text Copyright (cc) 2019 by  Borovik, Pomortsev, Korsukova, Polyakova, Fomina, Zabanova and Grabelnych



ORIGINAL ARTICLE
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Effect of Cold Acclimation and Deaссlimation on the Content of Soluble Carbohydrates and Dehydrins in the Leaves of Winter Wheat

Olga A. Borovik1, Anatolii V. Pomortsev1, Anna V. Korsukova1, Elizaveta A. Polyakova1,3, Elena A. Fomina2, Natalya S. Zabanova1,3, Olga I. Grabelnych1,3

1 Siberian Institute of Plant Physiology and Biochemistry Siberian Branch of Russian Academy of Sciences, Irkutsk, Russia
2 Institute of Genetics and Cytology of the National Academy of Sciences of Belarus, Minsk, Belarus
3 Irkutsk State University, Irkutsk, Russia

*E-Mail: ol.borovik@mail.ru


Received April 24, 2019


In this work, we studied the influence of cold acclimation (first stage – 8 С/2 С for 10 days and second stage – subsequence action of -2 С for 10 days) and deacclimation (10 С for 2 days) on the content of soluble carbohydrates and the synthesis of dehydrins in leaves of two variety of winter wheat (Triticum aestivum L.) that are differed in frost resistance. It is detected that the winter wheat of Irkutskaya variety and Pamyat variety are differed in the dynamics of accumulation and content of dehydrins in leaves. The most frost resistant Irkutskaya is characterized by a higher content of dehydrins in the leaves during acclimation and deacclimation, compared with the less frost resistant Pamyat.

Key words:    cold acclimation, deacclimation, dehydrins, carbohydrates, winter wheat

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