Abstract
The duration of the shooting–earing period of 265 barley samples from Dagestan was studied. During the 3 years of study at the Dagestan Experimental Station of VIR (Derbent), fast-ripening samples k-15008 and k-15013 were identified. Evaluation of spring forms in the northwestern region of the country made it possible to identify sample k-15027, which had a high rate of development over 2 years. It was found that Dagestan barleys are strongly influenced by growing conditions; that is, they have a high rate of response. Vernalization temperatures, short photoperiod, and high temperatures during the growing season contribute to fast barley ripening. Using molecular markers, the allelic diversity of genes Ppd-H1 and Ppd-H2, which are involved in the control of the duration of the shooting–earing period, was investigated. Most samples of local forms of barley carry dominant allele Ppd-H2, which causes early earing under short photoperiod. Translocation of the studied barley group to unusual conditions of northwest Russia leads to significant delay in plant development.
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Original Russian Text © R.A. Abdullaev, N.V. Alpatieva, I.A. Zveinek, B.A. Batasheva, I.N. Anisimova, E.E. Radchenko, 2017, published in Rossiiskaya Sel’skokhozyaistvennaya Nauka, 2017, No. 1, pp. 3–7.
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Abdullaev, R.A., Alpatieva, N.V., Zveinek, I.A. et al. Diversity of Dagestan barleys for the duration of the period between shooting and earing stages and alleles in the Ppd-H1 and Ppd-H2 loci. Russ. Agricult. Sci. 43, 99–103 (2017). https://doi.org/10.3103/S1068367417020021
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DOI: https://doi.org/10.3103/S1068367417020021