But fertile floret number is directly regulated by hormones after the top spikelet formation.
而顶小穗形成之后，激素直接调节小花的发育。
The soluble protein content in spikelet of Zhenshan 97a of cytoplasmic male sterile rice decreased rapidly after the formation stage of pollen mother cell (PMC).
水稻细胞质雄性不育系珍汕97a，在花粉母细胞形成期以后可溶性蛋白含量迅速降低。
Increasing spikelet number per panicle is one of the key factors for high yield, and panicle differentiation is the important stage for spikelet number formation.
拔节长穗期是争取大穗的关键时期，每穗粒数是产量的主要构成因素之一，尤其是争取高产更高产，其作用更为突出。
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