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Genotypic variation in maize leaf senescence after ear removal is caused by excess accumulation of photosynthates.

Plant physiology - 6 May 2026

Yuan Jie, Duan Fengying, Fan Kaijian, Heng Yanfang, Wang Xuxiang, Zhou Yupeng, He Qiang, Wei Shaobo, Sun Xuefang, Li Liang, Li Xia, Zhou Wenbin

Abstract excerpt

Leaf senescence is a key developmental process influencing photosynthesis, carbon allocation, and crop productivity, all tightly regulated by source-sink balance. In maize (Zea mays), abscisic acid signaling and nonstructural carbohydrate partitioning have been proposed as major determinants of senescence timing under sink limitation. Through multiyear, multigenotype analyses, we refine the current understanding...

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PMID: 41965098
DOI: 10.1093/plphys/kiag190
PMCID: PMC13189543

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