ArticleMolecular breeding : new strategies in plant improvement2026
Allelic variation of carotenoid biosynthesis and degradation genes across worldwide commercial durum wheat (
Article in Molecular breeding : new strategies in plant improvement, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Carotenoids are the pigments responsible for the yellow colour of durum wheat semolina, a key quality trait for pasta production. This study evaluated 46 commercial durum wheat cultivars grown under irrigated and drought-simulated conditions in the Yaqui Valley (Mexico), measuring yellow pigment content (YPC) and yellow pigment loss (YPL) under simulated processing conditions. Cultivars under the full irrigation system increased YPC (7.3 mg/kg) and reduced YPL (13.3%) compared to cultivars under drip irrigation system or simulated drought (YPC 6.6 mg/kg; YPL 15.3%), indicating that probably water limitation reduces carotenoid accumulation and enhances pigment degradation. Allelic variation in carotenoid biosynthesis genes ( Supplementary Information: The online version contains supplementary material available at 10.1007/s11032-026-01641-0.
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