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Article

Mutation in HER1 enhances stigma exsertion and hybrid seed production in rice.

Nature communications - 4 Feb 2026

Guo Daiming, Du Kangxi, Xu Peizhou, Liu Su, Li Mengyuan, Dong Jiazhi, Zhao Jingcheng, Zhang Mingming, Zhou Gege, Li Yong, Yuan Xinmiao, Jin Fangli, Zhao Zhixue, Yu Shicong, Xia Duo, Zhang Hongyu, Chen Xiaoqiong, Luo Ming, Ali Asif, Tian Yunfeng, Zhou Hao, Wu Xianjun, Liao Yongxiang

Abstract excerpt

Hybrid rice has achieved a significant leap in rice yield, but the low outcrossing rate of sterile lines limits hybrid seed production due to rice's self-pollinating habits, constraining the further development and widespread adoption of hybrid rice. Stigma exsertion is a critical trait affecting outcrossing rate. Here we characterize a rice mutant, high exsertion rate1 (her1), characterized by enlarged stigma...

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PMID: 41639589
DOI: 10.1038/s41467-026-69149-x
PMCID: PMC12979660

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