Mapping physiological traits in barley

被引：41

作者：

Ellis, RP ^{[1
]}

Forster, BP ^{[1
]}

Waugh, R ^{[1
]}

Bonar, N ^{[1
]}

Handley, LL ^{[1
]}

Robinson, D ^{[1
]}

Gordon, DC ^{[1
]}

Powell, W ^{[1
]}

机构：

[1] SCOTTISH CROP RES INST,DEPT CELLULAR & ENVIRONM PHYSIOL,DUNDEE DD2 2DA,SCOTLAND

来源：

NEW PHYTOLOGIST | 1997年 / 137卷 / 01期

关键词：

AFLPs; Hordeum vulgare (barley); gene mapping; physiological traits; salt tolerance;

D O I：

10.1046/j.1469-8137.1997.00822.x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Amplified fragment length polymorphisms (AFLPs) offer a reproducible, multiplex DNA assay by which to genotype mapping populations. We have evaluated physiological traits in barley seedlings grown in an hydroponic system and given a salt treatment. Multiple regression was used to show associations between AFLPs and quantitative traits. Effects at different loci were detected in stress treatments in comparison to the control implying that either novel gene action was induced by salt stress or that normal activity was reduced to a low level where alternate gene action is revealed. The QTLs occurred on all chromosomes but there appeared to be clusters of loci on chromosomes 1 (7H), 4 (4H), 5 (1H) and 6 (6H). The significance of our results is discussed in the context of studies to explore the barley genome and the application of the results of these genetical analyses to barley breeding.

引用

页码：149 / 157

页数：9

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