Sorghum qTGW1a encodes a G-protein subunit and acts as a negative regulator of grain size.

Abstract excerpt

Grain size is a major determinant of grain yield in sorghum and other cereals. Over 100 quantitative trait loci (QTLs) of grain size have been identified in sorghum. However, no gene underlying any grain size QTL has been cloned. Here, we describe the fine mapping and cloning of one grain size QTL. From an F8 recombinant inbred line population derived from a cross between inbred lines 654 and LTR108, we...

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• Chromosome Mapping
• Chromosomes, Plant
• Edible Grain
• Oryza
• Phenotype