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GrainGenes Reference Report: JCS-20-23

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Reference	JCS-20-23
Title	Grain yield and quality characteristics of chromosome 1D and 1B substitution lines in durum wheat and their F2-derived progeny lines I Comparisons among the tetraploid phenotypes
Journal	Journal of Cell Science
Year	1994
Volume	20
Pages	23-32
Author	Liu C Shepherd K Gras P
Abstract	The grain yield and quality characteristics of two substitution lines of durum wheat, Langdon 1D(1A) and Langdon (Edmore-1B), and their F2-derived progeny lines carrying different endosperm protein components were measured Significant genotypic differences for yield and flour quality characteristics were observed, but differences in the grain N levels were not significant The quality parameters, such as SDS-sedimentation values, the proportion of glutenin (P1%) and the ratio of glutenin to gliadin (P1/P2) as determined by size-exclusion liquid chromatography, dough mixing time and peak resistance, were all increased in genotypes carrying the Edmore gamma-45 band, and the effects were even more pronounced (two-fold increases) with the substitution of chromosome ID for 1A These quality characteristics of genotypes carrying both chromosomes ID and gamma-45 genes were increased over those containing one or other of these genetic factors, indicating that the effects were additive for all quality characters except the Mixograph parameters, peak resistance and resistance breakdown
Keyword	[ Hide all but 1 of 10 ] chromosome-substitution food-processing grain lines phenotype progeny quality tetraploidy triticum turgidum yields

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