A new gene controlling the flowering response to photoperiod in wheat

被引：23

作者：

Khlestkina, E. K. ^{[1
]}

Giura, A. ^{[2
]}

Roeder, M. S. ^{[3
]}

Boerner, A. ^{[3
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Inst Cytol & Genet, Novosibirsk 630090, Russia

[2] Natl Agr Res & Dev, Fundulea, Romania

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

来源：

EUPHYTICA | 2009年 / 165卷 / 03期

基金：

俄罗斯基础研究基金会;

关键词：

Photoperiod response; Grain protein content; Mapping; Microsatellites; Wheat; Triticum aestivum; QUANTITATIVE TRAIT LOCI; GRAIN PROTEIN-CONTENT; DAY-LENGTH RESPONSE; EAR-EMERGENCE TIME; MAJOR GENES; VERNALIZATION; RESISTANCE; LOCATION; QTLS;

D O I：

10.1007/s10681-008-9783-5

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

A novel photoperiod response gene, designated Ppd-B2, was mapped to wheat chromosome arm 7BS, using a set of lines carrying various segments of 7BS from the early flowering breeding line 'F26-70 7B' in a background of the variety 'Favorit'. The gene was 4.4 cM distal of the microsatellite locus Xgwm0537 and 20.7 cM proximal to Xgwm0255. In contrast to the well-characterized Ppd-1 genes, which require short days for expression, Ppd-B2 was detected when plants were exposed to a long photoperiod. The accelerated flowering produced by Ppd-B2 was correlated with increased grain protein content.

引用

页码：579 / 585

页数：7

共 37 条

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