Locating Stable Across Environment QTL Involved in the Determination of Agronomic Characters in Wheat

被引：5

作者：

Kobiljski, B. ^{[2
]}

Dencic, S. ^{[2
]}

Kondic-Spika, A. ^{[2
]}

Lohwasser, U. ^{[1
]}

Boerner, A. ^{[1
]}

机构：

[1] Leibniz Inst Plant Genet & Crop Plant Res IPK, D-06466 Gatersleben, Germany

[2] Inst Field & Vegetable Crops, Novi Sad 21000, Serbia

来源：

CEREAL RESEARCH COMMUNICATIONS | 2009年 / 37卷 / 03期

关键词：

agronomic performance; flowering time; genetic mapping; quantitative trait loci (QTL); ear morphology; yield components; wheat; QUANTITATIVE TRAIT LOCI; MOLECULAR-GENETIC MAPS; CHROMOSOMES; GRAIN;

D O I：

10.1556/CRC.37.2009.3.1

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The International Triticeae Mapping Initiative (ITMI) recombinant inbred line (RIL) population was used to detect quantitative trait loci (QTL) underlying some key agronomic characters in bread wheat ( Triticum aestivum L.). Trait measurements were taken from five independent field experiments performed in Serbia. Stable across environment QTL involved in the determination of heading/flowering time and ear morphology/grain yield were detected on, respectively, chromosome arms 2DS and 4AL. These map locations are consistent with those obtained where the same population has been grown in contrasting geographical sites. However, as a result of QTL x environment interactions, not all these QTL are expressed in all environments. Nevertheless the ( pleiotropic) effect on ear morphology appears to be expressed in almost all environments, and so represents a high value target for wheat improvement.

引用

页码：327 / 333

页数：7

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