期刊
PLANT BREEDING
卷 125, 期 6, 页码 565-575出版社
BLACKWELL PUBLISHING
DOI: 10.1111/j.1439-0523.2006.01256.x
关键词
Triticum aestivum; quality; milling; mixograph-farinograph; baking; starch; noodle; microsatellite markers; QTL mapping
Wheat grain quality is a complex group of traits of tremendous importance to wheat producers, end-users and breeders. Quantitative trait locus (QTL) analysis Studied the genetics of milling, mixograph, farinograph, baking, starch and noodle colour traits in the spring wheat population RL4452/'AC Domain'. Forty-seven traits were measured on the population and 99 QTLs were detected over 18 chromosomes for 41 quality traits. Forty-four of these QTLs mapped to three major QTL clusters on chromosomes 1B, 4D, and 7D. Fourteen QTLs mapped near Glu-Bl, 20 QTLs mapped near a major plant height QTL on chromosome 4D, and 10 QTLs mapped near a major time to maturity QTL on chromosome 7D. Large QTLs were detected for grain and flour protein content, farinograph absorption, mixograph parameters, and dietary fibre on chromosome 2BS. QTLs for yellow alkaline noodle colour parameter L* mapped to chromesomes 5B and 5D, while the largest QTL for the b* parameter mapped to 7AL.
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