stem apex的例句大全

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

四种桂花茎尖培养试验初报

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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。

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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。

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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。

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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。

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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。

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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；

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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

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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。

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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

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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。

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The effects of inducement of protocorm-like bodies ( PLB) in the different medium with stem apex as explants, and of multiplication and differentiation of PLB in different medium with PLB as explants were compared.

以大花蕙兰的茎尖为外植体，探讨了不同培养基对原球茎增殖、分化和小苗诱导及壮苗生根的影响。

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leaves not crowded at stem apex, petiole 4-15 mm; female peduncle less than 1 cm; female perianth lobes setulose at apex.

叶不密集在茎先端，叶柄4-15毫米；雌花序梗少于1厘米；雌花花被裂片具小刚毛的在先端。

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leaves usually crowded at stem apex; petiole 1-3 mm. female peduncle 1-2 cm. female perianth lobes glabrous at apex. achene verrucose.

叶通常在茎先端密集的；叶柄1-3毫米。雌花序梗1-2厘米。雌花花被裂片无毛的在先端。瘦果多疣。

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leaves alternate, usually crowded at stem apex, palmately 3(-5)-foliolate;

叶互生，在茎先端通常密集，具3（-5）小叶；

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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。

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The stem apex was the apace reproduction standard ideally.

茎尖是理想的快速繁殖标准。

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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；

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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。

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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；

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