Understanding the processes regulating the phase transition from vegetative to reproductive growth is particularly important for woody fruit crops.

了解植物由营养生长向生殖生长的转变的调节过程，对于控制有花植物的生长发育是很有意义的。

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Flower bud differentiation, the basis of bolting, is the initial symbol that cabbage transform from nutritional growth phase to reproductive growth.

花芽分化是甘蓝从营养生长向生殖生长转变的最初标志，是抽苔的基础。

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