原生质的

The impacts of urediniospore activity, concentration of hydrochloric acid and physiological races of rust fungi on protoplast shrinking were also studied.

研究还发现叶锈菌和秆锈菌夏孢子活力、盐酸浓度等对夏孢子原生质体浓缩状况有很大影响，且与病菌生理小种有一定的关系。

Viciaefolia Scop had been cultured and produced calli, and 〓lantlet were regenereded from protocalli of O.

对3个品种(O.viciaefolia)的原生质体进行了培养均得到了愈伤组织，并得到了埃斯基var。

Using Zhongshuang4 as a recurrent parent to pollinate the male sterile plants, the ratio of male sterile plants increased with the number of backcrosses.

利用原生质体融合技，获得了甘蓝型油菜品种中双4号与新疆野生油菜野油18的对称性体细胞杂种。

Chromosome of identified haploids were reduplicated, identified, and thereafter pure diploids were obtained.

本项目还对河套蜜瓜的细胞和原生质体培养进行了研究，并获得了再生植株。

In addition, we compared the change of morphology and spinosyns yield of the regenerated strains.

同时， 对原生质体再生菌株的形态与多杀菌素产量变化进行了比较研究。

One of the two silicified halves of the cell wall of a diatom.

分离亚细胞组成的第一步总是使细胞壁和原生质膜破碎。

The course mainly introduces basic principles and methods of experimental techniques of cell engineering, which includesmedia preparation, sterilization and aseptic technique, virus-free seedling production, plant rapid propagation, immature embryo culture, pollen and anther culture, cell culture, protoplast culture, somatic hybridization, plant transformation, and so on. The contents of this course follow the from easy

该课程主要介绍细胞工程特别是植物细胞工程的基本实验技术及其原理与方法，包括：培养基配制、灭菌及无菌操作技术、无病毒苗培育、植物快速繁殖、幼胚培养、花药及花粉培养、细胞培养、原生质体培养、体细胞杂交及植物遗传转化等。

According to the changes of plasm components and cell structure,the development process of SE in secondary phloem could be divided into three stages,ie immature,mature and degenerated stages.

根据筛管细胞结构和原生质组分的系列变化，可将筛管发育过程划分为未成熟期、成熟期和衰退期。

The formation and regeneration and the phenomenon of forming dusters were observed by optical and electron microscope.

菌株原生质体形成和再生的各种因素及最佳条件，并用光学显微镜和电镜观

Symplast The living system of interconnected protoplasts extending through a plant body.

共质体：内部相连的原生质体生命系统在植物体中延伸形成。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！