Effects of homoeologous group 1 and 6 chromosomes of the Cappelle-Desprez (Bezostaya 1) substitution lines on aspects of bread-making quality of wheat |
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| Authors: | A F Krattiger P I Payne C N Law |
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| Institution: | (1) Present address: Cereals Research Department, John Innes Centre, NR4 7UH Norwich, England;(2) Present address: International Service for the Acquisition of Agri-biotech Applications (ISAAA), Ithaca, NY, USA;(3) Plant Breeding International(Cambridge)Ltd, Trumpington, Cambridge, England |
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| Abstract: | Summary The group 1 and 6 inter-varietal chromosome substitution lines of Cappelle-Desprez (Bezostaya 1) were intercrossed along with the donor and recipient varieties, Cappelle-Desprez and Bezostaya 1, to give 36 genetically different families. The analysis of the means of these families showed that variation in SDS-sedimentation volume fitted a predominantly additive model. There were no significant within or between chromosome interactions among the group 1 and 6 chromosomes. Nor was there any evidence for interactions between these chromosomes and those of the background. Significant dominance/within chromosome interactions amongst the background chromosomes were however detected. Some of the positive effects on SDS-sedimentation were associated with increased grain hardness. Chromosome effects on % grain protein were not correlated with SDS-sedimentation. |
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| Keywords: | Bread-making quality chromosome effects grain hardness SDS-sedimentation volume substitution lines wheat Triticum aestivum |
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