stem apex

Analysis and Evaluation on the Nutritional Components in Stem Apex of Sweet Potato

甘薯茎尖营养成分分析及评价

Tissue culture of stem apex and shoot rapid propagation of ginger

姜茎尖的离体培养与试管苗快繁

Research on Stem-apex Meristem Culture and Rapid Reproduction Technology of Sweet Potato.

脱毒马铃薯苗的快速繁殖技术.

Methods The ginger stem apex((?) < 1 mm) was taken as explants and cultured on MS medium with different portions of plant growth substances.

方法剥取不大于1mm的姜茎尖生长点为外植体，以MS为基本培养基，附加不同种类和浓度的植物生长物质进行培养。

The content of Calmodulin ( CaM) in stem apex went up gradually before the inflorescence differentiation and reached a peak after one week of the inflorescence differentiation, then went down during curd formation.

茎端钙调素（CaM）含量在花序分化前逐渐上升，分化1周时达到高峰，花球发育和膨大过程中逐渐下降。

The result showed that the proliferation rate of stem apex between genotypes differed little and the number of regenerated shoots was from 5 to 10;

结果表明：8种槐树茎尖扩繁率相差不大，不定芽分化数一般在5~10个范围内；

Virus-elimination efficiency could also be improved by combining hot air [ ( 38 ± 1)℃] treatment with stem apex culture.

（38±1）℃热空气处理后切取茎尖培养也能提高脱毒效果。

The tissues cultures on stem apex bud and stem section with axillary bud of Taihang Chrysanthemum were studied.

对太行菊生长期间茎顶芽和带腋芽的茎段进行组培试验。

The stem apex was the apace reproduction standard ideally.

茎尖是理想的快速繁殖标准。

On the feasible regrowth condition, leaf and stem apex can attain large cluster bud from In Vitro Grape Plantlets.

2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。

The result showed that stem apex of sweet potato had various nutritional components which were higher in content than those in common vegetables except total sugar with lower level;

结果表明，甘薯茎尖的营养成分齐全，除总糖含量较低外，其它成分含量均较常见蔬菜要高；

Results The ginger stem apex thinner than 0. 3 mm in diamond could differentiate and grow very well.

结果小于0.3mm的姜茎尖可进行良好的分化与生长；

Ethrel ( or ethylene) can plant feminization; the role of ethylene appears to be clear and critical, the stem apex is action site.

乙烯利（或乙烯）可使植株雌性化，乙烯的作用看来是明确而且关键性的，其作用位点是茎尖。

Study on Stem Apex Tissue Culture of Zingiber officinale Rosc. and the Control of Contamination Rate

生姜茎尖组织培养和污染率控制的研究

The nutritional components and microelements in stem apex of sweet potato from seven different varieties were determined in this experiment, and comparison with common vegetable was also made.

对7个不同品种的甘薯茎尖进行了营养成分和微量元素的测定，并且与常见蔬菜进行了对比。

The study result of in vitro culture propagation technique of Philodendron erubescens 'Green Emerald' showed that: ① stem apex and stem with buds in winter and spring was ideal explant materials.

绿宝石蔓绿绒离体培养繁殖技术研究结果表明：①冬春两季的茎尖、带芽茎段是理想的外植体材料；

Phalaenopsis is a famous potted plant with high ornamental and economic value, the tissue culture of Phalaenopsis have been succeeded from the explants including seed, stem apex, stem section, root tip, leaf and flower peduncles, etc.

蝴蝶兰是观赏价值和经济价值很高的著名盆栽植物，用种子、茎尖、茎段、根尖、叶、花梗等外植体进行组织培养均获得了成功。

Stem apex culture and quality improvement of tubercles of Pinellia ternata

半夏茎尖培养及块茎的品质改良

We cut the stem apex of potatoes and make their size less than 0.3 mm.

剥取小于0.3mm的马铃薯茎尖进行组织培养。

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。

Effects of Nutrient Application in Tomato Seedling Stage on Materials in Stem Apex of and Occurrence of Malformed Fruit

番茄苗期营养及其幼苗茎尖物质含量与畸形果发生的关系

Preliminary Studies on Stem Apex Culture of Four Cultivars of Osmanthus fragrans

四种桂花茎尖培养试验初报

Stable expression and GUS staining showed that the activities of Leafy promoter were only detected in stem apex and extremely young apical leaves of transgenic tobaccos. The gus activities can not be detected in mature leaves, stems and roots.

对转基因烟草进行GUS组织染色分析表明，Leafy驱动的gus表达仅局限在植物茎尖和幼叶部分，转基因植株成熟的叶片、茎部和根系均未能检测到GUS活性。

Object To study the suitable conditions on tissue culture of stem apex and shoot rapid propagation of ginger.

目的探索姜茎尖组织培养及其试管苗快速繁殖的适宜条件。

Analysis of Key Factor on the Stem Apex Detoxification Culture of Potato

马铃薯茎尖脱毒培养关键因子分析

Chromosome Karyotype Analysis Of Stem Apex from Transformed with Foreign DNA mutant D_1 Generation Tobacco

外源DNA导入烤烟后变异株D1代茎尖染色体核型分析

The stem apex tissue culture of Zingiber officinale Rosc. and the control of contamination rate were studied in the experiment.

以生姜茎尖为外植体，筛选了愈伤组织和芽分化的最适培养基和培养方式，并探讨了生姜组织培养过程中污染率的控制方法。

The main factors which influence the callus induction, differentiation, rooting and transplant of Chinese cephalotaxus sinensis from stem apex and spire is studied. The plant regeneration system has been established.

以中国粗榧（Chinesecephalotaxussinensis）茎尖、幼叶为外植体材料进行愈伤组织诱导，分化及再生苗的生根、移栽的主要影响因素，建立了中国粗榧的再生体系。

Growing Mechanisms of Stem Apex and Cumulation Trend of Polysaccharide of Dendrobium Candidum and D. Loddigesii

铁皮石斛与美花石斛茎尖生长机理及其多糖累积规律研究

Plant flower can be divided into two phases& from stem apex meristem tissue into flower meristem tissue and floral apparatus.

高等植物的成花可分为两个阶段：由茎顶端分生组织转变成花分生组织和花器官的形成。