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GrainGenes Reference Report: GCE-46-267

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Reference	GCE-46-267
Title	Quantitative trait loci influencing free-threshing habit in tetraploid wheats
Journal	Genetic Resources and Crop Evolution
Year	1999
Volume	46
Pages	267-271
Author	Simonetti MC [ Show all 6 ]
Abstract	Summary: In this study we report the identification and location of Quantitative Trait Loci (QTL) associated with free-threshing character in a set of Recombinant Inbred (RI) lines derived from a cross between the cv. 'Messapia' of durum wheat and the accession M64343 of the T. dicoccoides characterised for 259 genetic and molecular markers. Significant differences were detected for threshability in the three environments examined, while the pattern of variability observed was that of a quantitative trait. Regression analysis of marker loci and free-threshing index indicated, as expected, that chromosome 2B and 5A have genetic systems for free-threshing habit. An additional region on chromosome 5AL and on 6BS was shown to have effects on threshability at P < 0.001 and P < or = 0.01 respectively
QTL	QFt.mgb-5A QFt.mgb-6A
Keyword	[ Hide all but 1 of 16 ] biochemical markers chromosome analysis chromosome maps crop quality environment genetic markers genotype environment interaction inbred lines interspecific hybridization loci quantitative traits recombination regression analysis threshing triticum dicoccoides triticum durum

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