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.
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.
AM真菌是广泛存在于土壤生态系统中的一类有益微生物，能与90%以上的维管植物形成共生体。
AM fungi is a kind useful microorganism that distributes in the soil system extensively; it can form symbiosis with host plant above 90%.
苔藓植物作为许多生态系统的主要地被物，在维管植物天然更新过程中发挥着不容忽视的作用。
As the main ground cover of many ecosystems, bryophytes play an important role in the process of vascular plants' natural regeneration.
其初生维管系统的解剖学研究表明：子叶节区明显长于毛茛科植物幼苗，属顶枝伸长型。
The anatomical structure of its primary vascular system was studied and its cotyledon node zone is longer than that of Ranonculaceae.
利用偏光显微镜和明场显微镜，首次报道了模式植物金鱼草幼苗初生维管系统木质部导管分子的发育、形成和连接过程。
The process of vessel element ' s promotion, formation and connection in primary xylem of antirrhinum majus, a model plant, was observed through micropolariscope and bright - field microscope.
利用偏光显微镜和明场显微镜，首次报道了模式植物金鱼草幼苗初生维管系统木质部导管分子的发育、形成和连接过程。
The process of vessel element ' s promotion, formation and connection in primary xylem of antirrhinum majus, a model plant, was observed through micropolariscope and bright - field microscope.
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