Analysis of Genetic Diversity of Gliadins in Thinopyrum elongatum
WU Shan
Abstract：In order to exploit the excellent germplasm resource of Thinopyrum elongatum ( Host) D. R. Dewey, the gliadins of 18 populations, collected from Iran, Turkey, America and the other four coun-tries, were analyzed and evaluated using A-PAGE methods. The results indicated that a total of 70 poly-morphic bands were detected among the 18 Thinopyrum elongatum populations, the average of PPB, h and SI were 75. 40% (varied range of 41. 43%—92. 86%), 0. 241 1 (varied range of 0. 127 0—0. 332 2) and 0. 361 1 (varied range of 0. 195 8—0. 497 0), respectively. 17. 35% of molecular variation was among populations, and the great majority of genetic variation (82. 65%) resided within populations. The cluster analysis indicated that all the accessions could be divided into five groups. There was no strong association between the clustering results and the geographical distribution. The above results showed that the gliadins of Thinopyrum elongatum ( Host) D. R. Dewey had rich genetic diversity, and could be utilized to improve wheat processing quality.
Keywords：Thinopyrum elongatumpopulationgliadingenetic diversitycluster analysis
Publication Date：2016-03-01
Online Publishing Date：2026-09-12(First online date of this platform, not the publication date of the document)
Pages：5( 34-38 )