THE ISOLATION AND CHARACTERIZATION OF GIBBERELLIN-DEFICIENT MUTANTS IN TOMATO

被引：99

作者：

KOORNNEEF, M ^{[1
]}

BOSMA, TDG ^{[1
]}

HANHART, CJ ^{[1
]}

VANDERVEEN, JH ^{[1
]}

ZEEVAART, JAD ^{[1
]}

机构：

[1] MICHIGAN STATE UNIV, US DOE, PLANT RES LAB, E LANSING, MI 48824 USA

来源：

THEORETICAL AND APPLIED GENETICS | 1990年 / 80卷 / 06期

关键词：

Dwarf mutants; Gene localization; Germination; Gibberellin; Lycopersicon esculentum;

D O I：

10.1007/BF00224204

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

In tomato, nine independent EMS-induced mutants representing recessive mutations at three different loci (gib-1, gib-2, and gib-3) were isolated. Six of these have an almost absolute gibberellin requirement for seed germination and elongation growth. In addition, the leaves are darker green, smaller, and changed in structure as compared to wild type. The three other mutants, which germinate without GA, are allelic to specific, nongerminating mutants and have less severe mutant characteristics. The respective loci are situated on three different chromosomes. The genes identified by these mutants control steps in gibberellin biosynthesis, as endogenous gibberellins are strongly reduced. © 1990 Springer-Verlag.

引用

页码：852 / 857

页数：6

共 26 条

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