leaf apex

基本解釋

It has leaf primordia and a shoot apex.
葉特化成為具有鋒利尖端的結(jié)構(gòu)。
On the feasible regrowth condition, leaf and stem apex can attain large cluster bud from In Vitro Grape Plantlets.
在適宜的再生條件下，葡萄試管苗各器官中，葉片和莖尖是獲得再生叢生芽的最佳外植體。
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.
采用砂培和營養(yǎng)液培養(yǎng)方法，研究了在營養(yǎng)生長階段切除頂芽和葉片損傷對煙株生長、體內(nèi)煙堿濃度、氮濃度及吸氮量的影響。