生长素还能使植物形成维管系统，形成侧根，并产生乙烯。
Auxin also causes the plant to develop a vascular system, to form lateral roots, and to produce ethylene.
根瘤的器官内有维管组织穿过。
木本植物维管形成层外部的组织。
这与发育中叶的维管组织不同。
This differentiates into the vascular tissue of the developing leaf.
维管射线发达，周皮发育明显。
The vascular ray was developed and the development of periderm was obvious.
原形成层向维管形成层转化的研究。
Study of the Transition from Procambium to Vascular cambium in Erythrina Arborescens Roxb.
初生合点吸器沿着胚珠的维管组织分支。
The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
自从泥盆纪以来就生存的低等维管植物。
维管植物的抗盐机理。
这样的培养可能产生维管组织，根和苗端芽。
Such cultures could give rise to vascular tissues, roots and shoot buds.
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.
我对植物学的兴趣主要限于维管植物的生殖过程。
My botanical interest is largely confined to the reproductive processes in vascular plants.
原形成层（原形成层束）：形成维管组织的一层细胞。
Procambium (procambium strand) The layer of cells that gives rise to the vascular tissue.
这些维束管在各个小叶基部将成为托叶的维管组织部分。
These bundles will become part of the vascular tissue of the stipels at the base of the individual leaflets.
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.
其中以薄壁细胞为主，维管分子少量，分散在薄壁组织中；
Parenchyma cell is prominent in the secondary vascular tissue, and only small amount of vascular element is scattered in it.
茎中维管组织的排列方式多种多样，由此产生多种类型的中柱。
The arrangement of vascular tissue ( the vascular system ) in the stem is very varied , giving a number of different types of stele.
初生维管组织由原形成层发育而来，在所有维管植物中都有存在。
Primary vascular tissue, which is found in all vascular plants, is formed from the procambium.
随着不定根内部的维管系统的发育，不定根从皮孔或下切口伸出。
With the development of the vascular systems in the adventitious roots, the roots extrude from the lenticel or the cutting callus.
根据子叶节区理论和方法对胡萝卜幼苗初生维管系统进行了解剖学研究。
After making an anatomic study on the primary vascular system of their seedlings based on the theory and method of cotyledon node zone.
从横切面上观察到，不定根原基起源于髓射线与维管形成层交叉的部位。
From cross sections of stems-cuttings, a primordium of adventitious roots originates from the cross region of pith rays and vascular cambium.
绒毡层：维管植物花粉囊内包围孢子母细胞的富含营养物质的一层结构。
Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
它在基部与植物维管系统联成一体，在本质上是由植物侧根原基衍生而来。
The tree-shaped structure of nodular vascular framework is connected with the vascular system of plant in the base, It was derived originally from the plant lateral root primordium.
单茎鞘重与大维管数、维管总面积相关显著，与韧皮部总面积相关极显著。
The weight of a single sheath is correlated with the number of large vascular bundle and the area of vascular bundles, is correlated significantly with the area of phloem for vascular bundles.
河南省有丰富的野生植物资源，有维管植物181科，966属，3158种。
There exists 3158 wild species in 966 genera and 181 families of vascular plant in Henan Province.
木材形成是一个复杂的生物学过程，是维管形成层生长和分化出次生组织的结果。
Wood formation is a complex process composing many biological events, occurs as a result of growth and differentiation of the vascular cambium.
本文还就穗-茎维管系统的形成过程对小穗小花分化、结实的可能影响作了讨论。
The effect of the formation process of the ear-stem vascular system on the differentiation and development of the spikelets, florets and seed set was also discussed.
同时，运用石蜡切片法研究剥皮后愈伤组织的形成、木栓形成层和维管形成层的发生；
Meanwhile, paraffin-cut section method was used for studying on callus formation, cork cambium and vascular cambium initiation.
分子水平上的研究初步为维管组织发育的分子机理与调控机制的阐明提供了可靠的佐证。
Some available evidences are sure to be provided for explaining the molecular mechanism of development of vascular tissues due to the molecular biology research.
分子水平上的研究初步为维管组织发育的分子机理与调控机制的阐明提供了可靠的佐证。
Some available evidences are sure to be provided for explaining the molecular mechanism of development of vascular tissues due to the molecular biology research.
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