OsTAW1promotes inflorescence meristem activity and supresses phase change to spilklet meristem identity. The gradual decrease in TAW1 activity during development in wild-type plants may contribute to the increase in competence for acquiring SM identity. Fine-tuning of the temporal TAW1 expression pattern is critical for normal rice inflorescence development. TAW1 function ensures the production of sufficient numbers of spikelets.
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