Journal article
A recessive gene controlling male sterility sensitive to short daylength/low temperature in wheat (Triticum aestivum L.)
Journal of Zhejiang University: SCIENCE B, Vol.12(11), pp.943-950
2011
Abstract
Utilization of a two-line breeding system via photoperiod-thermo sensitive male sterility has a great potential for hybrid production in wheat (Triticum aestivum L.). 337S is a novel wheat male sterile line sensitive to both short daylength/low temperature and long daylength/high temperature. Five F2 populations derived from the crosses between 337S and five common wheat varieties were developed for genetic analysis. All F1’s were highly fertile while segregation occurred in the F2 populations with a ratio of 3 fertile:1 sterile under short daylength/low temperature. It is shown that male sterility in 337S was controlled by a single recessive gene, temporarily designated as wptms3. Bulked segregant analysis (BSA) coupled with simple sequence repeat (SSR) markers was applied to map the sterile gene using one mapping population. The wptms3 gene was mapped to chromosome arm 1BS and flanked by Xgwm413 and Xgwm182 at a genetic distance of 3.2 and 23.5 cM, respectively. The accuracy and efficiency of marker-assisted selection were evaluated and proved essential for identifying homozygous recessive male sterile genotypes of the wptms3 gene in F2 generation.
Details
- Title
- A recessive gene controlling male sterility sensitive to short daylength/low temperature in wheat (Triticum aestivum L.)
- Authors/Creators
- X-D Chen (Author/Creator)D-F Sun (Author/Creator)D-F Rong (Author/Creator)J-H Peng (Author/Creator)C. Li (Author/Creator)
- Publication Details
- Journal of Zhejiang University: SCIENCE B, Vol.12(11), pp.943-950
- Publisher
- SP Zhejiang University Press
- Identifiers
- 991005545110007891
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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