After 12-14 days, adventitious root primordia developed into young adventitious roots.

大约经12—14天，不定根原基发育为幼小不定根并伸出周皮之外。

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Results identified that the adventitious root primordia originated from the vascular cambium cells.

结果表明：试管苗不定根的根原基发生于形成层。

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Results identified that the adventitious root primordia originated from the vascular cambium cells.

结果表明：试管苗不定根的根原基发生于形成层。

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