顶芽

用滇龙胆的顶芽及侧芽为外植体，以MS培养基为基本培养基，以6-BA/NAA和KT/IAA两组不同浓度组合进行对比实验，研究诱导滇龙胆顶芽及侧芽萌发产生不定芽的最佳条件。

The indefinite bud was induced from terminal bud and lateral bud by using different hormone 6-BA / NAA and KT / IAA in the tissue culture of Gentiana rigescens Franch .

选择三色堇顶芽和叶柄为外植体，成功构建了三色堇的再生体系。

The terminal bud and petiole of pansy were chosen as explants to construct its regeneration systems .

低浓度的BA基本为顶芽和侧芽两种定芽成苗。

And low concentration of BA might induce normal buds from terminal and lateral buds .

低温预处理（2℃，1～30天）促进休眠顶芽破裂和自由生长芽形成。C型外植体为最佳接种类型。

The low-temperature pretreatment ( at 2 C for 1 to 30 days ) could accelerate the bursting of resting buds and the formation of free growth shoots .

这些数据表明，我们构建的花莲顶芽cDNA文库的有效性，适合以后的测序和基因功能研究。

These data suggest that the cDNA library is effective and suitable for sequencing and functional analysis in the future .

半定量PCR分析结果显示，StFTmRNA在马铃薯的叶片、顶芽、花和膨大匍匐茎中有较高水平的表达。

Analysis on the mRNA levels of StFT showed that it was highly expressed in leaves , apical buds , flowers and swelling stolons . 2 .

顶芽将萌发期幼苗叶片中的IAA、GA3及ZR含量高于其它幼苗。

In the seedlings that buds were germinating , IAA , GA_3 and ZR contents in leaves were higher than seedlings in other periods .

用靠近顶芽的材料得到的横切薄层切片芽再生率高，有较高的Gus基因瞬时表达率；

The transverse thin cell layer ( tTCL ) from top-part of the bud had higher percentage of shoot generation and Gus gene transient expression .

巴戟天组织培养和快速繁殖研究以巴戟天顶芽及嫩茎节段为外植体，以MS为基本培养基，通过不同的激素种类和浓度配比，建立巴戟天组培快繁体系。

The tissue culture and rapid proliferation techniques of Morinda officinalis How were studied by using apical buds and tender stems as explants . The explants were cultivated in different MS medium with different types and concentrations of plant hormones .

成苗最优组合为有顶芽的1年生枝用IBA处理（86、7%）。

The superior treatment combination was one year old shoot age , with a tip bud and treated with IBA ( 86 . 7 % ) . The seedling .

豌豆顶芽衰老过程中的显微、超微结构和nDNA的变化

Microstructural , Ultrastructural and nDNA Changes of the Cells during the Apical Bud Senescence in Pea

辛酸叶面喷洒处理影响了海桐新梢的生长和侧枝的发生。0.04M和0.1M的辛酸对顶芽无伤害作用，但影响新梢的生长。

Caprylic acid foliar spray affected the shoot growth and side shoot formation of Japanese Pittosporum .

薄层色谱（TLC）配合生物鉴定的定性结果表明，短枝顶芽内至少含有两种CTK，玉米素是其中之一。

TLC and bioassay were used for qualitative test . The results showed that the spur terminal buds contained at least two kinds of CTK , one of which was zeatin .

选取质量分数为0.02%的RTN生根促进剂和奈乙酸对带顶芽和无顶芽插穗处理1.5h，平均生根率分别高达79.2%和70.8%。

The rooting rates reached 79.2 % and 70.8 % , respectively when the cuttings were treated with 0.02 % of RTN rooting promoter and NAA for 1.5 hours .

结果表明：延长光周期处理可以促进封顶后的科罗拉多冷杉苗顶芽绽开，所需平均天数为28、26、22d；

The results showed that terminal buds flushed under the extended photoperiod , the average days of bud bursting were 28 , 26 and 22 days ;

本实验用（1）2,4-D，（2）NAA/BA和（3）2,4-D/KT3种生长调节剂组合对孝顺竹顶芽和节侧芽外植体进行愈伤组织的诱导。

Calli were initiated in this experiment on the apical bud explants and nodal lateral bud explants in response to the combinations of three kinds of growth regulators , i. e. , 2,4 D , NAA / BA , and 2,4 D / KT .

兰考泡桐苗木顶芽越冬特性初步研究

Study on overwinter specific property of top buds of Paulownia elongata

接穗中顶芽多酚含量最多，其它各个芽位多酚含量变化不大；

Polyphenol content of terminal bud is most in the scions .

矮秆陆地棉陆矮1号主茎顶芽几种激素含量研究

Endogenous Hormone Contents in Apical Buds of Short-stalked Cotton Lu-ai No.1

最适外植体为摘花芽后萌发的顶芽茎尖；

The optimal explants are shoot tips of end buds excised from R.

顶芽的多酚氧化酶活性最大，然后逐渐下降，第6级侧芽达到最低水平；

The polyphenol oxidase activation of the terminal bud is the highest .

泡桐生长停止和顶芽死亡过程中的光合特性研究

Photosynthetic characteristics of Paulownia during growth cessation and terminal buds ' death

顶芽将生长素释放至植株茎部。

The buds release this hormone down the plant stem .

品种群Ⅲ皮色多为白色。顶芽色在品种群Ⅰ中有淡黄、黄和橘黄三色；

White-yellow and yellow were the colors of Group II ;

落叶松幼苗顶芽萌发过程中内源激素含量的变化

Changes in Endogenous Phytohormone Content of Larch Seedlings During Terminal Bud Growth

结球莴苣顶芽及叶片组织培养（初报）

Tissue culture of apical buds and leaf sections of head lettuce (ⅰ)

在大部分生长季节，这种茎的顶芽继续植物的生长。

The terminal bud continues vegetative activity during most of the growing season .

带腋芽茎段优于带顶芽茎段。

The stem with axillary buds is better than that with apical buds .

下部腋生枝条顶芽作外植体比其他部位取材褐变率低。

The terminal bud is better than axillary bud for its lower browning rate .

苹果顶芽中内源激素动态与成花关系研究

Study on the changes of the endogenous hormones in terminal buds of apple trees