期刊
EUPHYTICA
卷 165, 期 3, 页码 579-585出版社
SPRINGER
DOI: 10.1007/s10681-008-9783-5
关键词
Photoperiod response; Grain protein content; Mapping; Microsatellites; Wheat; Triticum aestivum
资金
- Russian Foundation for Basic Research [08-04-00368-a]
- SB RAS
- Russian Science Support Foundation
- Timofeeff-Ressovsky Scientific Society Biosphere and Mankind''
- President of the Russian Federation [MK-566.2007.4]
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.
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