Inheritance and molecular mapping of a gibberellin-insensitive dwarf mutant in groundnut (Arachis hypogaea L.)

被引：2
|
作者：
Mondal, Suvendu [1 ]
Badigannavar, Anand M. [1 ]
D'Souza, S. F. [1 ]
机构：
[1] Bhabha Atom Res Ctr, Nucl Agr & Biotechnol Div, Bombay 400085, Maharashtra, India
来源：
JOURNAL OF APPLIED GENETICS | 2011年 / 52卷 / 01期
关键词：
Arachis hypogaea; Dwarf mutant; Gamma rays; Gibberellin; Sodium azide; SSR markers; LINKAGE MAP; MUTATIONS; PEANUTS; SEED;
D O I：
10.1007/s13353-010-0002-4
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：
A dark green dwarf mutant, TGM 167, was isolated from a gamma ray + sodium azide mutagenised population of cultivated groundnut breeding line, TFDRG 5. The mutant had a 45.8% reduction in height due to its shorter internodal length. Further, it was found to be insensitive towards exogenous GA(3) application, although it had nearly the same level of endogenous GA(3) as the parent. Genetic analysis revealed that the dwarfism is under the control of a single dominant gene. This dominant dwarfing gene was mapped with an SSR marker TC3H02 at a distance of 9.7 cM.
引用
收藏
页码：35 / 38
页数：4
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