On the feasible regrowth condition, leaf and stem apex can attain large cluster bud from in Vitro Grape Plantlets.
在适宜的再生条件下，葡萄试管苗各器官中，叶片和茎尖是获得再生丛生芽的最佳外植体。
In tissue culture of 13 reptant chrysanthemum varieties, direct reproduction of stem apex and axillary bud showed the highest speed and heridity stability.
对13个品种的地被菊进行组培快繁，结果：①以茎尖和腋芽直接扩繁速度最快，遗传稳定性强；
Leaf buttress a leaf primordium, appearing as a protuberance on the side of the stem apex, produced by periclinal division of the tunica and corpus, and associated with a procambium.
顶端分生组织上的侧生突起发育成叶的原基，与原形成层有关。
Some resin containing cells are present in parenchym of cortex in shoot apex and xylem parenchym of stem in Pinus tabulaeformis .
油松茎端的皮层薄壁组织和幼茎木薄壁组织中具含树脂细胞分布。
The extracts of several Chinese medicinal herbs were separately added into the improved MS culture medium to study the effects on the growth of grape stem- apex in vitro.
在改良MS培养基中加入几种中草药剂处理，研究对葡萄茎尖组培苗生长势的影响。
The extracts of several Chinese medicinal herbs were separately added into the improved MS culture medium to study the effects on the growth of grape stem- apex in vitro.
在改良MS培养基中加入几种中草药剂处理，研究对葡萄茎尖组培苗生长势的影响。
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