An adequate cold period is an essential condition for onset of flower bud differentiation in shoot tips of rape in vitro.

一定的低温条件是启动油菜离体枝尖花芽分化的必要条件。

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An adequate cold period is an essential condition for onset of flower bud differentiation in shoot tips of rape in vitro.

一定的低温条件是启动油菜离体枝尖花芽分化的必要条件。

youdao