A new gene controlling the flowering response to photoperiod in wheat |
| |
| Authors: | E K Khlestkina A Giura M S Röder A Börner |
| |
| Institution: | (1) Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Lavrentjeva Ave. 10, Novosibirsk, 630090, Russia;(2) National Agricultural Research and Development Institute, Fundulea, Romania;(3) Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, 06466 Gatersleben, Germany |
| |
| Abstract: | 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. |
| |
| Keywords: | Photoperiod response Grain protein content Mapping Microsatellites Wheat Triticum aestivum |
| 本文献已被 SpringerLink 等数据库收录！ |
|
