GENERAL FEATURES OF CHROMOSOME SUBSTITUTIONS IN TRITICUM-AESTIVUM X T-TIMOPHEEVII HYBRIDS

被引：37
|
作者：
BADAEVA, ED [1 ]
BUDASHKINA, EB [1 ]
BADAEV, NS [1 ]
KALININA, NP [1 ]
SHKUTINA, FM [1 ]
机构：
[1] ACAD SCI USSR,INST CYTOL & GENET,NOVOSIBIRSK 630090,USSR
来源：
THEORETICAL AND APPLIED GENETICS | 1991年 / 82卷 / 02期
关键词：
TRITICUM-AESTIVUM X T-TIMOPHEEVII HYBRIDS; CHROMOSOME SUBSTITUTION; HOMEOLOGY; GENETIC NOMENCLATURE; C-BANDING;
D O I：
10.1007/BF00226218
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Based on a C-banded chromosome analysis of Triticum aestivum x T. timopheevii hybrid lines, we developed a classification of the A(t) and G genome chromosomes that agrees with the standard genetic nomenclature of T. aestivum chromosomes. Transfer of genetic material from T. timopheevii to T. aestivum involved complete chromosomes, chromosome arms, or segments. Frequencies of chromosome substitution were highest for homoeologous group 2 and lowest for group 4. Moreover, B(G) substitutions were frequent compared to A(A(t)). The pattern of chromosome substitutions and rearrangements were unequal and depended on the genotype of the parental T. aestivum cultivar.
引用
收藏
页码：227 / 232
页数：6
相关论文
共 50 条
12345