Abstract
Sixty Triticum tauschii (Aegilops squarrosa, 2n=2x=14, DD) accessions were evaluated for the variability of high-molecular-weight (HMW) glutenins, gliadins and isozymes of seed esterase, β-amylase and glucose-phosphate isomerase. Wide variability was observed for HMW-glutenins and gliadins. The implications of unique HMW-glutenin alleles for quality parameters are discussed. Isozyme evaluations indicated more variability for the Est-D t 5 locus as compared to the Est-D5 of bread-wheat. The polymorphism for β-Amy-D t 1 was less than that of β-Amy-D1. Similar to the bread-wheat situation, Gpi-D t 1 showed no polymorphism. The variability observed with the traits evaluated can be readily observed in T. turgidum x T. tauschii synthetic hexaploids (2n=6x=42, AABBDD) suggesting that T. tauschii accessions may be a rich source for enhancing the genetic variability of T. aestivum cultivars.
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William, M.D.H.M., Peña, R.J. & Mujeeb-Kazi, A. Seed protein and isozyme variations in Triticum tauschii (Aegilops squarrosa). Theoret. Appl. Genetics 87, 257–263 (1993). https://doi.org/10.1007/BF00223774
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DOI: https://doi.org/10.1007/BF00223774