八倍体

利用流式细胞光度术对草莓3个二倍体、1个五倍体、2个八倍体试管苗的细胞核DNA的相对含量进行测定。

The relative nuclear DNA of diploid , pentaploid and octoploid was measured by flow cytometry .

通过未减数配子途径合成八倍体甘薯植株

Synthesis of Octoploid Sweet Potato Plant by Using Unreduced Gamete Approach

型细胞质“远中3”育性正常，表明八倍体小偃麦“远中3”的E组染色体中存在G型胞质的育性恢复基因。

A normal fertility of G-cytoplasmic " Yz-3 " means exist of G-type fertility restorer gene in the E genome of octoploid trititrigia line ," Yz-3 " .

八倍体小黑麦和普通小麦矮源作父本的杂交结实率，受一对部分显性基因Cr－cr控制。

The seed setting percentage of cross combinations between octoploid triticale which were used as female parent and short straw common wheat was found to be controlled by a pair of allelic genes , Cr cr.

通过对小鼠肝细胞悬液的实际检测，其二、四、八倍体肝细胞核的DNA含量比值约等于2和4，提出数码相机可用于细胞DNA含量的检测观点。

After detecting suspension of murine hepatocyte , we verified that murines ' rates of DNA contents in amphiploid , tetraploid octoploid hepatocytes were approximately 2 and 4 . So we put forward that the DNA contents of the cells can be examined by digital camera .

小麦矮秆基因导入八倍体小黑麦研究初报

A Preliminary Study on Introducting wheat Dwarfing Genes Into Octoploid Triticale

八倍体小黑麦双受精进程的形态学观察

The morphological observation on the double fertilizing process of 8x Triticale

通过核型研究，分析了节-硬-偏八倍体的遗传组成。

Genetic construction of JYP octoploid were analysed by karyotype .

八倍体小偃麦是普通小麦与天蓝偃麦草杂交良好的桥梁材料。

Octoploid a-grotriticum hybrid is an excellent material for the crossing with common wheat and A.glaucum .

八倍体小黑麦的矮化基因Ⅰ.株高的分布类型

ON THE DWARFING GENES OF OCTOPLOID TRITICALE ⅰ . Types of frequency distribution of plant height

结果表明，小麦近缘植物中存在着丰富的抗纹枯病资源，其中有5份材料表现免疫，他们是节节麦34、峨观草、野燕麦、八倍体小黑麦、六倍体小黑麦；

The results showed that 5 accessions from relatives of wheat were immune to wheat sharp eyespot ;

对2个八倍体C。

Chromosomes of two octoploids C.

八倍体小黑麦与普通小麦（父本）杂交亲和性基因的研究

The Gene Influencing Crossability of Cross combination Between Octoploid Triticale and Short straw Common Wheat Used as Male Parents

因此，芦苇的引种、良种繁育及新品种选育、应侧重于八倍体。

Therefore , the octoploid seed should be first selected in the introduction , propagation and breeding of new varieties .

八倍体小黑麦中黄色黑麦染色体显C-带和H-带的末端有绿色的带。这是由于黑麦染色体末端结构异染色质含量高所致。

Terminals of C-band and H-band in yellow rye chromosomes of octoploid triticale show green bands , this is because of high content of heterochromatin in terminal of rye chromosomes .

但不同材料及植株不同部位所受影响不尽相同，八倍体和六倍体小黑麦受抑制程度明显小于硬粒小麦和普通小麦，其叶片细胞在盐胁迫下的伤害率亦明显小于后者；

The inhibited degree of octoploid and hexaploid triticale were much less than that of durum wheat and common wheat and the injured rate of leaf cell membrane in the former was lighter than that of the later .

通过流式细胞仪和细胞染色体鉴定：四倍体芦笋植株的染色体数由20条变为40条：加倍植株中还出现了二倍体和四倍体的嵌合体以及二倍体、四倍体和八倍体的嵌合体。

By identification of flow cytometry and cell chromosome : the chromosomes of tetraploid asparagus from the20becomes40 ; Redouble plants also appeared the chimeras of diploid and tetraploid as well as the chimeras of diploid 、 tetraploid and the octoploid . 5 .