查询词典 callus

Diospyros kaki Thunb cv.Fuyu and Jiro are Japanese persimmon varieties. Dormant buds taken from persimmon trees, as in vitro explants materials, were set up successfully. New shoots were attained. Callus was induced and adventitious buds were differentiated from leaves and roots of tissue cultures; new shoots propagation and shoots rooting were studied in different basal medium added different hormones.

本研究以甜柿品种富有柿与次郎柿为材料，系统地研究了两品种的组培快繁、组培苗叶片和根段的不定芽再生、愈伤组织的诱导和不定芽的分化、不定根的诱导等技术，以期为柿果的转基因技术奠定基础，同时也为富有柿与次郎柿苗木的快速繁殖提供技术依据。

The inducing of Dothiorella gregaria cell wall degradation product-oligosaccharides to the resistant index of poplar cell were studied with the poplar callus.

以杨树愈伤组织为试验材料，研究了杨树溃疡病菌细胞壁裂解物——低聚糖对杨树细胞有关抗病指标的诱导作用。

Experiment results showed that the somatic embryo directly developed from single embyrogentic cell or cell aggregate under the surface of embryogenetic callus.

结果表明：油荼体细胞胚可直接的起源於表皮或近表皮的单细胞胚原胚或者多细胞团。

The cotyledon cubes as explants of oil tea were cultured on MS medium added with 2,4-D 2.0mgL^(-1) and KT 1.0 mgL^(-1) to form embryogenetic callus.

以油茶子叶块为外植体，在附加2.0mgL^(-1)2，4-D和1.0 mgL^(-1)KT的MS培养基上进行培养，观察诱导产生的体细胞胚性愈伤组织细胞学结构。

On the base of review the research development in tissue culture and genetic transformation, Comparative analyses were made on the callus induction and embryogenetic abilities of anther and non-pollinated ovules of rubber tree. Fluorescence detection was implemented with the different in vitro material of Hevea brasiliensis.

本研究在综述了橡胶树组织培养及遗传转化研究进展的基础上，系统地比较了橡胶花药和未授粉胚珠愈伤组织诱导及体细胞胚胎发生能力，对橡胶树不同离体组织进行荧光背景检测，将在植物胚胎发育时期起重要作用的BBM基因导入橡胶树，对电激法转化游离小孢子细胞以及农杆菌介导花药愈伤组织进行初步探索。

The application of embryogenic callus of litchi and longan to genetic transformation as starting materials was also discussed.

还对荔枝、龙眼胚性愈伤组织应用于遗传转化等问题进行了探讨。

The structure, division and growth of embryogenic callus of litchi and longan were observed by paraffin method.

通过石蜡切片观察荔枝胚性愈伤组织的结构以及分裂、生长的方式，并与龙眼胚性愈伤组织作比较。

Two types of callus, i. e. type A and type C , were both found as embryogenic calluses.

其中，两个类型，即类型A和类型C是胚性的。

The concentrations and treatment time of EMS was related closely with the injury degree on the embryogenic callus.

在化学诱变剂 EMS对木薯胚性愈伤组织的处理中，EMS的浓度与处理时间对愈伤组织损伤程度有很大影响。

Tue explant sources played an important role in in ducement of embryogenic callus, there are differences between varities.

外植体的来源在胚性愈伤组织的诱导中起着重要作用，存在着品种间差异。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。