次生生长后产生周皮、皮孔和次生维管组织。
Periderm, lenticelle and secondary vascular tissue in the gynophore are produced due to its secondary growth.
次生维管组织为大黄多糖贮藏和积累的主要组织。
The secondary vascular tissues are the chief tissues that accumulate and store rhubarb polysaccharide in rhizome.
结果表明，移山参主根结构由周皮和次生维管组织组成。
The results showed that the taproots of transplanted P. ginseng plants consist of periderm and secondary vascular tissue.
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