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- Title
DEVELOPMENT OF SUBMERGENCE TOLERANT BREEDING LINES FOR VIETNAM.
- Authors
THI LANG, NGUYEN; PHUOC, NGUYEN TRONG; THU HA, PHAM THI; TOAN, TRAN BAO; BUU, BUI CHI; REINKE, RUSSELL; ISMAIL, ABDELBAGI M.; WASSMANN, REINER
- Abstract
Development of rice varieties tolerant to submergence, high-yielding and good quality is essential due to increased flooding in the lowland areas in the Mekong delta, Vietnam. The purpose of this experiment was to develop rice varieties tolerant to submergence on the basis of a combination of two breeding methods by molecular markers, single cross and backcross. Evaluating tolerance of F8 and BC2F4 generation on the basis in the field of flooded and unflooded conditions to select promising lines to meet for farmers applying into production. The Sub1 gene was introgressed into the new breeding lines. Some high yielding and good submergence tolerant lines were developed (e.g. BC2F4-4-3) however, also many lines failed were not acceptable due to their long duration between 120-130 days or their high rate of unfilled grain. This is a opportunity to improve good rice varieties for condition of breeding submergence rice varieties in Vietnam.
- Subjects
MEKONG River Delta (Vietnam &; Cambodia); RICE varieties; SUBMERGED lands; CROP yields; FARMERS
- Publication
SABRAO Journal of Breeding & Genetics, 2015, Vol 47, Issue 4, p448
- ISSN
1029-7073
- Publication type
Article