芽尖

玉米芽尖培养及胚状体和丛生芽发生

Shoot Tip Culture of Maize And Morphogenesis of Embryoids And Multiple Shoot Clumps

胚芽鞘裹在草的芽尖和胚芽外层的保护鞘。

A protective sheath enclosing the shoot tip and embryonic leaves of grasses .

掐掉幼株的芽尖以便让它们长得紧凑浓密，呈丛生状。

Pinch out the tips of the young growths to make for compact , bushy plants .

玉米芽尖分生组织培养过程中，酚类物质的产生与培养芽尖的基因型背景明显相关，培养基的pH值过低或过高均会加剧芽尖的酚类物质产生。

In the process of shoot-tip meristem culture of the maize in vitro , phenols produced by the culture shoot tips were apparently related to the genotype of the maize , and they would be intensified by lower ( or higher ) pH value of the medium .

以不同年龄银杏实生树为试材，研究芽尖和叶片中内源激素赤霉素（GA3）、玉米素（ZT）、吲哚乙酸（IAA）和脱落酸（ABA）含量与个体发育阶段的关系。

Ginkgo seedlings of different ontogenetic stages were used for studying the relationships among ontogenetic stages and the content of endogenous hormones , such as GA 3 , ZT , IAA and ABA in leaf and bud tip .

离体玉米芽尖中酚类物质产生的影响因素

Factors affecting the product of phenols from the shoot apex of maize in vitro

相比那些相距较远的芽尖，相互临近的芽尖更有可能彼此影响。

Nearby shoot tips are more likely to affect each other than those that are far apart from each other .

秋季种植球茎，深度为6英寸，株距为6英寸，芽尖向上。

Plant your bulbs in the fall at a depth of 6 inches , and 6 inches apart , planting them pointed side up .

表明，芽尖和枝条上部适合作为蜡梅组织培养的外植体。

It is shown that the shoot tips and the top of branches are suitable for tissue culture of C. praecox explants . 3 .

试验以紫叶李春季萌生苗嫩枝为外植体，在腋芽诱导的基础上，建立“以芽尖诱导丛生芽”的组培快繁体系。

Tissue culture and rapid propagation system of Redleaf cherry plum was established by using sprouted branch of spring as explants , base on of axillary buds inducing .

胚芽鞘裹在草的芽尖和胚芽外层的保护鞘温特证明，这种活性物质从活的燕麦胚芽鞘扩散到凝胶中去。

A protective sheath enclosing the shoot tip and embryonic leaves of grasses . Went showed that this active agent diffused into gelatin from living oat coleoptile tips .

初春时，院子左侧的石凳旁冒出了几簇绿绿的芽尖，叶子嫩嫩的、薄薄的。

In the early spring , by the stone bench on the left side of the courtyard , sprouted several clusters of green buds , whose leaves were tender and flimsy .

柿休眠芽茎尖玻璃化法超低温保存及植株再生

Cryopreservation of Dormant Shoot-tips of Persimmon by Vitrification and Plant Regeneration

在茎尖再生体系建立的过程中，不同培养基上外植体丛生芽发生的方式和芽尖倍增数均不同。

In the process of established regenerate system from shoot meristems , the mode of tussockybud occurring and multiplication of shoot meristems were all different .