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
收藏
页码：579 / 585
页数：7
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