leaf apex

基本解释

It has leaf primordia and a shoot apex.
叶特化成为具有锋利尖端的结构。
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。
Effects of removal of the shoot apex and leaf wounding on nitrogen uptake and nicotine production were studied with tobacco plants grown in sand or hydroponic medium under the controlled conditions.
采用砂培和营养液培养方法，研究了在营养生长阶段切除顶芽和叶片损伤对烟株生长、体内烟碱浓度、氮浓度及吸氮量的影响。