CHROMOSOMAL LOCATION OF GENES FOR GIBBERELLIC-ACID INSENSITIVITY IN CHINESE SPRING WHEAT BY TETRASOMIC ANALYSIS

被引：5

作者：

BORNER, A ^{[1
]}

WORLAND, AJ ^{[1
]}

LAW, CN ^{[1
]}

机构：

[1] CAMBRIDGE LAB,CTR PLANT SCI RES,NORWICH NR4 7UJ,ENGLAND

来源：

PLANT BREEDING | 1992年 / 108卷 / 01期

关键词：

TRITICUM-AESTIVUM; GIBBERELLIC ACID INSENSITIVITY; SEMI-DWARFNESS; GENE HOMEOLOGY;

D O I：

10.1111/j.1439-0523.1992.tb00103.x

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The tetrasomics of the homoeologous groups 2, 5 and 7 of 'Chinese Spring' wheat were, together with the euploid standard, screened at the seedling stage for sensitivity to exogenously applied gibberellic acid (GA3). Whilst the seedling length of lines tetrasomic for group 2 chromosomes were taller and those for chromosomes 5A, 5D and 7D shorter in both treatments (with and without GA3) compared to the euploid control, the remaining tetrasomics - 5B, 7A and 7B - were significantly shorter than the euploids in the GA variant only. These results suggest the presence of additional genetic factors for GA insensitivity on chromosomes of the groups 5 and 7 of hexaploid wheat. This corresponds with the localization of GA insensitive dwarfing genes on the homoeologous chromosomes 5R and 7R in diploid rye.

引用

页码：81 / 84

页数：4

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