Aegilops-rye amphiploids and substitution rye used for introgression of genetic material into rye (Secale cereale L.)

被引：7
|
作者：
Apolinarska, B. [1 ]
Wisniewska, H. [1 ]
Wojciechowska, B. [1 ]
机构：
[1] Polish Acad Sci, Inst Plant Genet, PL-60479 Poznan, Poland
来源：
JOURNAL OF APPLIED GENETICS | 2010年 / 51卷 / 04期
关键词：
Aegilop sp; C-banding; introgression; 2x substitution rye; 4x substitution rye; wheat chromosomes; CHROMOSOME CONSTITUTION; TELOMERIC HETEROCHROMATIN; WHEAT; IDENTIFICATION; KARYOTYPE; HYBRIDS; LOCUS;
D O I：
10.1007/BF03208871
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The valuable genes of Aegilops biuncialis, Ae. ovata, Ae. kotschyi, and Ae. variabilis were transferred to rye, by crossing Aegilops-rye amphiploids with tetraploid and diploid substitution rye. The C-banded karyotype of the BC1 and BC2 generations of amphiploids with 4x substitution rye and BC1 with 2x substitution rye showed great variation in chromosome number and composition. In the BC1 generation of amphiploids with 4x and 2x substitution rye, seed set success rate and germination rate varied depending on origin. However, plant sterility in all cross combinations of amphiploids with 4x and 2x substitution rye resulted in their elimination from further experiments in the BC3 and BC2 generations, respectively. In backcrosses of 4x substitution rye with amphiploids Ae. variabilis x rye 4x, fertile 4x rye plants containing Aegilops chromatin were produced in the BC2 generation.
引用
收藏
页码：413 / 420
页数：8
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