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The activity of the vascular CAMBIUM gives rise to the secondary xylem and secondary phloem.

维管形成层的活动使次生木质部和次生韧皮部增厚。

The outermost layers of a woody stem including all of the living and nonliving tissues external to the cambium.

树皮 Bark 木质茎的最外层,包括形成层以外全部活的和死的组织。

It interacts synergistically with gibberellins and cytokinins in stimulating cell division and differentiation in the cambium.

生长素与赤霉素还有细胞分裂素协同反应可以促进细胞分裂还有形成层的分化。

The base of scoin is cut diagonally to expose a large oval of cambium.

接穗的基部被切成斜形,暴露出椭圆形的大圈形成层

This paper describes changes in the structure of buds and vascular cambium as well as in protein content of one-year-old dormant branches of Eucommia ulmoides Oliv.

一年生枝条休眠中的芽和维管形成层的结构和蛋白质含量进行了研究,探讨了杜仲不同休眠期转化的生理生化机理。

Outer and main organize to die, arise by phellem cambium.

外层主要为死组织,由木栓形成层产生。

After vascular cambium cells divide, the progeny cells on the interior side become xylem parental cell.

维管形成层细胞分裂后,在内侧分裂出来的细胞成为木质部的母细胞。

Before xylem mother cells reactivated completely , the dividing fusiform cells in cambium and new phloem cells ha .

在木质部母细胞完全恢复活动之前,形成层纺锤状原始细胞的分裂和韧皮部细胞的分化已经开始。

These genes,which accounted for 5.4%of the total ESTs,may be involved in cambium development.

共鉴定了154条可能与形成层发育及木材形成有关的EST,它们代表了50条单一基因,这些基因的功能涉及了木质素合成、细胞结构构成、细胞壁多糖合成代谢或发育调节等,占总EST的5.4%左右。

Before xylem mother cells reactivated completely, the dividing fusiform cells in cambium and new phloem cells had appeared at the same time.

在木质部母细胞完全恢复活动之前,形成层纺锤状原始细胞的分裂和韧皮部细胞的分化已经开始。

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