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- Wardlaw reproduced to the same scale photographs of the vegetative shoot apex of many primitive and advanced land plants. 沃德劳以同样的放大倍数复制了许多原始的和进化的陆生植物营养茎尖的照片。
- The vegetative shoot apex in Rosa chinensis Jacq. has two layers of tunica cells. 月季的营养苗端具有两层原套细胞。
- Morphology and cytohistological zonation appeared different between cone apex and the vegetative shoot apex. 雌球果原基与营养茎端在外部形态及内部细胞组织学分区结构有明显差异。
- 91. Wardlaw reproduced to the same scale photographs of the vegetative shoot apex of many primitive and advanced land plants. 沃德劳以同样的放大倍数复制了许多原始的和进化的陆生植物营养茎尖的照片。
- vegetative shoot apex 营养菌端
- It has leaf primordia and a shoot apex. 它有叶原基和一个苗端。
- The organogenesis of lateral organs is determined by shoot apex. 植物苗顶端是地上部分各器官形成的基础。
- Virus-free culture and rapid-propagation from shoot apex of Allium sativum L. 大蒜分生组织培养脱病毒和快速繁殖技术。
- It reflects the timing of vegetative shoot extension vis-a-vis flower development. 它反映了营养小枝的伸长同花的发育在时间上的矛盾。
- The entire shoot apex of a horsetail could fit into the large apical cell in the growing tip of a fern. 木贼的整个茎尖可相当于蕨类生长锥中大的顶端细胞。
- The second leaf takes place at the basal part of the first leaf and originates from the shoot apex cells when the first leaf pierces the calyptra. 第一叶突出帽状体之后,由第一叶基部保留下来的茎干顶端细胞产生第二叶。
- There are two Layers of cells in the tunica of the shoot apex of Sesa-mum indium and the second layer of cell of tunica. 芝麻茎尖有2层原套细胞,叶原基起源于原套的第二层。
- Removal of the shoot apex and leaf wounding did not show any influences on nitrogen uptake by plant, but increased nicotine production per unit nitrogen. 切除顶芽和叶面损伤对烟株体内的氮浓度及吸氮量均无显著影响,但显著提高了烟株体内单位氮素产生烟碱的能力。
- At the same culture condition, We compared the effects of different phytohormones combination on the culture of shoot segment with node and shoot apex of Daphne odora Thunb. 在相同的培养条件下,我们比较了不同激素浓度组合对瑞香试管苗的茎段和苗端离体培养的影响。
- Cortical microtubule arrays were mainly oriented transversely to the cell elongation axis in cells of elongating young leaves in the shoot apex of sugarcane. 甘蔗茎尖正在伸长的幼叶部位细胞的周质微管主要为与细胞伸长轴相垂直的横向周质微管;
- Inflorescence primordia are formed at shoot apices in mid April. 花序原体于四月中旬在枝顶出现。
- Inflorescence primordia occur at shoot apices in late February. 二月下旬,花序原体在枝顶出现。
- Many trees can be propagated from vegetative shoots, thus reproducing their genotypes exactly. 许多树木能够利用营养枝繁殖,这样,它们的基因型可以精确地传衍。
- Some cultivars also form fruit buds on the tips of the current season's vegetative shoots. 一些栽培品种也在当年的生长枝的顶端形成花芽。
- The zonal structure of shoot apex of vitreous plantlets appeared different from normal potted plants and normal plantlets in mainly aberration occurring in corpus and tunica. 玻璃苗与正常试管苗的茎尖在形态结构上有明明显差别,主要表现为顶端分生组织原体原套结构异常和细胞的明显液泡化。