植株再生体系的建立是进行基因转化的前提。
The establishment of regeneration system for tall fescue is the foundation for its transformation.
主要研究结果如下：1再生体系的比较和优化。
The main results are as follows: 1 The comparison and optimization of regeneration systems.
主要结果如下：1建立了非洲菊的再生体系。
The main results were as follows:1 The regeneration system of Gerbera jamesonii has been established.
建立高效的植株再生体系是遗传转化的重要基础。
The establishment of effective regeneration system is a very important basis of genetic transformation.
以烟草幼嫩叶片为外植体，建立了其有效再生体系。
The effective regeneration system has been established by using the tobacco tender leaves as explant.
以当年新生枝条为外植体建立了红缨海棠的再生体系。
The regeneration system in this paper was established by culturing stems with newborn buds from Malus Hongying .
高频再生体系构建的成功是遗传转化成功的最基本的要求。
The results indicated that:Success in establishment of high efficiency regeneration system was fundamental to the experiments.
建立高效再生体系是生产甘蔗健康种苗和进行遗传改良的前提。
Establishing high efficiency regeneration systems were precondition of yielding healthy seedling and genetic improvement for sugarcane.
本研究以晋麦2148成熟胚为外植体，进行再生体系的研究。
We also used wheat variety JM 2148 mature embryos as explants to study the regeneration.
油菜已经建立了子叶、胚轴、原生质体及小孢子培养的再生体系。
Rape have established regeneration system of cotyledons, hypocotyls, protoplasts and microspore culture.
由此可见，不同激素浓度配比的培养基再生体系的建立影响不同。
So culture medium having different concentration ratio have different effect on regeneration system establishment.
组织培养技术在作物改良上的成功应用需要合适的植株再生体系。
The successful application of plant tissue culture techniques for crop improvement requires suitable plant regeneration methods.
建立了以薄皮甜瓜品种‘弥河银瓜’子叶为外植体的高效再生体系。
A efficient regeneration system of plantlets was established with cotyledon as explants in melon Cucumis melo l.
以带芽茎段、茎尖做外植体，建立了红叶乌桕的组织培养和再生体系。
The explants from Euphorbia cotinifolia(L. ) stem fragments and shoot tips were used to establish culture in vitro and regeneration system.
以茎段为外植体，经tDZ诱导后，建立了甘露子的高频再生体系。
Using axillary nodes as explants, a high frequency plantlet regeneration system induced by thidiazuron (TDZ) was established.
主要结果如下：1。较系统地研究并优化了紫花苜蓿组织培养再生体系。
The main results were as following:1. The tissue culture regeneration system had been studied and optimized systemically.
通过组织培养建立了皇后和K7 - 3两个甜瓜品种的组织培养再生体系。
Regeneration systems for two melon varieties, Queen and K7-3, were established by tissue culture.
建立快速简单的唐菖蒲再生体系可为唐菖蒲进一步的遗传转化研究奠定基础。
The establishment of quick and simple system for regeneration in gladiolus laid a good foundation for further research into the transgenic.
棉花体细胞培养再生体系的建立对棉花遗传改良及其生物工程具有重要意义。
The somatic embryogenesis system of cotton affords an important role for genetic improvement and bioengineering.
应用花生胚小叶再生体系，以农杆菌介导法对质粒上的基因转化进行初步探讨。
Applying to leaflet regeneration system of peanut, genetic transformation of peanut using Agrobacterium-mediated approach were carrying on the research.
大豆因其愈伤组织难以分化、原生质体再生困难等因素，其再生体系一直不够完善。
The regeneration system of soybean is not perfect because the differentiation of callus tissue and the protoplast regeneration are difficult.
建立草莓主栽品种高效、稳定的离体再生体系和遗传转化体系，获得了转基因植株。
An efficiency and stable regeneration system in vitro and genetic transformation system for the commercial strawberry varieties were developed, and transgenic plants were obtained.
近20年，油菜小孢子培养已得到深入的研究，并建立了完善的油菜小孢子再生体系。
In recent 20 years with more studies of rapeseed microspore culture a perfect regenerative system of rapeseed microspore culture has been set up.
而要利用组织培养对离体组织进行染色体加倍，首先要建立高效的组织培养再生体系。
If artificial chromosome doubling in vitro is used, a high-efficient tissue culture system must be established.
同时，桑树转基因也存在着再生体系建立困难，基因型依赖性强，转化效率不高等问题。
Meanwhile, there are many problems in mulberry gene transformation, such as the difficult to establishing regeneration system, high reliability on gene type, low transformation efficiency.
因此在桑离体培养中，可以通过添加硝酸银来控制离体器官发生，进而建立高效再生体系。
So, organogenesis in vitro of mulberry will be controlled in the course of culture by adding AgNO 3, and a highly effective regeneration system will be formed.
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.
建立草莓高频再生体系，TDZ是首选激素； 某种激素随其组合激素不同而发挥功效不同；
TDZ is the first choice hormone to establish the high frequency regeneration system of strawberry;
本研究分别建立了8种槐树的组织培养再生体系，比较了各品种的再生能力及试管苗的生根率。
The regeneration systems for 8 Sophora genotypes were established. The regeneration ability and rooting rate of them were compared with different genotypes.
本研究分别建立了8种槐树的组织培养再生体系，比较了各品种的再生能力及试管苗的生根率。
The regeneration systems for 8 Sophora genotypes were established. The regeneration ability and rooting rate of them were compared with different genotypes.
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