Periderm, lenticelle and secondary vascular tissue in the gynophore are produced due to its secondary growth.
次生生长后产生周皮、皮孔和次生维管组织。
The results showed that the taproots of transplanted P. ginseng plants consist of periderm and secondary vascular tissue.
结果表明，移山参主根结构由周皮和次生维管组织组成。
Parenchyma cell is prominent in the secondary vascular tissue, and only small amount of vascular element is scattered in it.
其中以薄壁细胞为主，维管分子少量，分散在薄壁组织中；
The results showed that all the cross branch roots of different sizes consisted of periderm, secondary vascular tissue and tetrarch primary xylem.
结果表明：不同直径大小的横走侧根均由周皮、次生维管组织和四原型的初生木质部构成。
It is well known that the developmental inherent rhythm occurs during the development of secondary vascular tissue. Synchronously, the cell ergastic substance shows dynamic changes.
众所周知，树木次生维管组织的发育具有内在的节律性，与此同时维管组织的细胞内含物也会发生动态变化。
The secondary structure of rhizome include epiderm, cortex and vascular tissue, pith ray is developed.
根状茎的次生结构由外向内为表皮，皮层和维管柱，髓射线发达。
The secondary growth includes several consecutive processes such as vascular tissue differentiation, secondary cell wall deposition, lignification, PCD and heart wood formation.
次生生长包括维管组织形成、次生细胞壁形成、木质化、PCD以及心材形成等过程。
The secondary growth includes several consecutive processes such as vascular tissue differentiation, secondary cell wall deposition, lignification, PCD and heart wood formation.
次生生长包括维管组织形成、次生细胞壁形成、木质化、PCD以及心材形成等过程。
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