Barley fasciated ear genes determine inflorescence meristem size and grain yield

Chengyu Wang, Xiujuan Yang, Yueya Zhang, Chaoqun Shen, Jin Shi, Chongjing Xia, Taohong Fang, Qiang Tu, Ling Li, Xinli Zhou, Dabing Zhang & Gang Li
In flowering plants, the inflorescence meristem (IM) provides founder cells to form successive floral meristems, the precursors of fruits or seeds. Hence, the activity and developmental progression of IM are critical for yield production in cereal crops. IM size is positively associated with spikelet number in some major cereals, like rice (Oryza sativa) and maize (Zea mays). However, the relationship and regulatory mechanism between IM size and grain yield remain unknown in Triticeae tribe. Here,...
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