Journal article
Two recessive genes controlling thermophotoperiod-sensitive male sterility in wheat
Theoretical and Applied Genetics, Vol.112(7), pp.1271-1276
2006
Abstract
Male sterility of wheat-breeding line 337S (Triticum aestivum L.) is sensitive to both short day-length/low temperature and long day-length/high temperature. 337S was crossed with the common wheat variety, Huamai No. 8 and the F1 was highly fertile. The F2 population segregated in a 15:1 ratio for fertility/sterility in 243 individuals under long day-length/high-temperature. The two thermophotoperiod-responsive male sterile genes were mapped to chromosomes 5B and 2B using Simple Sequence Repeat (SSR) markers and bulked segregant analysis. Partial linkage maps around the sterility loci of chromosomes 2B and 5B were constructed using the 243 individuals in the F2 population. One gene (wptms1) for male sterility was flanked by the SSR markers Xgwm335 and Xgwm371 at a genetic distance in chromosome 5B of 4.1 and 24.4 cM, respectively. The second gene (wptms2) was mapped between markers Xgwm374 and Xgwm120 at a genetic distance of 6.6 and 20.9 cM, respectively. The closest linked markers Xgwm335 (wptms1) and Xgwm374 (wptms2) explained 53 and 38% of phenotypic variation for the fertility. The SSR markers provide a useful tool to transfer the male sterile genes into elite wheat germplasm.
Details
- Title
- Two recessive genes controlling thermophotoperiod-sensitive male sterility in wheat
- Authors/Creators
- R.X. Guo (Author/Creator) - Huazhong Agricultural UniversityD.F. Sun (Author/Creator) - Huazhong Agricultural UniversityZ.B. Tan (Author/Creator) - Luxun Academy of Fine ArtsD.F. Rong (Author/Creator) - Shayang Agricultural Research Institute of Hubei Province, Shayang, ChinaC. Li (Author/Creator) - Government of Western Australia
- Publication Details
- Theoretical and Applied Genetics, Vol.112(7), pp.1271-1276
- Publisher
- Springer Verlag
- Identifiers
- 991005542098107891
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
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- Agronomy
- Genetics & Heredity
- Horticulture
- Plant Sciences
- ESI research areas
- Agricultural Sciences