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Zhang D, Tang S, Liu F, Zhao K, Li C, Xia R, Yu F, Xie Q, Xie P
A single recessive gene, Multi-Grain Spikelet 1 (MGS1), governs the multiple-grain spikelet trait in sorghum. The natural variants mgs19E and mgs1BA45 trigger adjacent double-pistil primordia, significantly boosting grain numbers per panicle, suggesting potential strategies for breeding high-yield sorghum.