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Polymorphism of gliadin and intraspecies heterogeneity of wheat Triticum macha Dek.et Men

E.V. Metakovsky, Z.A. Iakobashvilli, P.P. Naskidashvilli and A.A. Sozinov
Cereal Research Communications
Vol. 16, No. 1/2 (1988), pp. 53-59
Published by: Akadémiai Kiadó
Stable URL: http://www.jstor.org/stable/23782762
Page Count: 7
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Polymorphism of gliadin and intraspecies heterogeneity of wheat Triticum macha Dek.et Men
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Abstract

Considerable polymorphism of alcohol-soluble storage protein gliadin has been discovered in local Georgian wheat T.macha. All the 23 collection specimens of T.macha differing in morphological and other features differ in gliadin patterns as well, at least 14 of them were shown to be heterogeneous, i.e. they had more than one gliadin biotype. Comparative analysis of many different spectra of T.macha and comparison of them with gliadin patterns of some well-known T.aestivum varieties have revealed more than 30 variants of blocks of gliadin components in T.macha. By means of analysis of grains in several accidentally found hybrid plants obviously originated from uncontrolled cross-pollination between T.macha biotypes some of these variants have been proved to be blocks (groups of jointly inherited components). Twelve blocks of T.macha have been found to be identical to T. aestivum blocks in component composition. The results obtained emphasize a very close relation between different specimens of T.macha and between T.macha and T.aestivum.

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