induced root primordia 诱生根原基
ABA could induce SEN1 gene in Arabidopsis lateral root primordia.
ABA能诱导SEN1基因在拟南芥侧根基部表达。
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。
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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