Dr.Elbirto Redaña i recognized of his pioneering and vital scientific and technical contributions to the development of hybrid rice in the Philippines, the development of conventional rice genotypes for direct seeded culture, and the application of molecular markers in rice varietal improvement. His research activities have high social significance, and are contributing greatly to our quest for food security through rice self-sufficiency.

Sex: Male

Education:

    • Silliman University, Dumaguete City, B.S. Agriculture (Agronomy), 1979
    • University of the Philippines at Los Ba?os, College, Laguna, M.S. in Agronomy (Plant Breeding), 1984
    • University of California, Davis, California, USA, M.S. in Genetics, 1993
    • University of California, Davis, California, USA, Ph.D. in Genetics, 1995

Field of Specialization:

Agronomy, Plant Breeding, Genetics, Molecular Marker Technology, Biotechnology

Researches:

    • Xu, W., Redoña, E.D., (1995) Cytoplasmic male-sterile and restorer lines for hybrid rice breeding
    • Philippine Journal of Crop Science Volume 20
    • Redoña, E.D., Mackill, D.J., (1995) A molecular genetic map of japonica rice
    • Rice genetics Newsletter Volume 12
    • Mackill, D.J., Zhang, Z., Redoña, E.D., (1995) Comparison of AFLP, microsatellite and RAPD markers in rice
    • Rice Genetics Newsletter Volume 12
    • Redoña, E.D., Mackill, D.J., (1994) Identification and interval mapping of seedling vigor QTLs in rice
    • Rice Genetics Newsletter Volume 11
    • Redoña, E.D., Lantican, R.M., (1986) Genetic analysis of some quantitative traits in peanut, Arachis hypogaea L. II. Estimates of heterosis and genetic correlations
    • Philippine Journal of Crop Science Volume 11, No. 1
    • Redoña, E.D., Lantican, R.M., (1985) Genetic analysis of some quantitative traits in peanut, Arachis hypogaea L. I. General and specific combining ability estimates
    • Philippine Journal of Crop Science Volume 10, No. 2
    • Redoña, E.D., Lantican, R.M., (1985) Peanut varietal improvement program in the Philippines
    • Proceedings of the 1st National Peanut Consultation and Peanut CRSP Review
    • Redoña, E.D., Li, Z., Xu, W., (1997) Performance of F1 hybrid rice introductions in the Philippines
    • Philippine Journal of Crop Science Volume 22, No. 1
    • Redoña, E.D., Zhang, Z., Colowit, P., (1995) Mapping seedling vigor genes in indica and japonica rice with molecular markers
    • Abstracts of the 3rd International Conference on the Status of Plant Genome Research, Scherago International, New York, USA
    • Redoña, E.D., Xu, K., Mackill, D.J., (1995) Seedling traits for improving stand establishment in water-seed rice
    • In: 1995 Rice Field Day Abstracts, Rice EXperiment Station, Biggs, California, USA
    • Redoña, E.D., Mackill, D.J., (1995) Quantitative trait locus analysis of rice seedling vigor in japonica and indica genetic background
    • In: Abstracts of the Third International Rice Genetics Symposium. IRRI, Los Ba?os, Laguna
    • Redoña, E.D., Mackill, D.J., (1994) RFLP-mapping of quantitative trait loci underlying seedling vior-related traits in rice
    • In: Agronomy Abstracts, American Society of Agronomy, Madison, Wisconsin, USA
    • Ibrahim, S., Redoña, E.D., Mackill, D.J., (1994) Molecular markers for genetic characterization and gene tagging
    • In: Abstracts of the 7th Meeting of the International Program on Rice Biotechnology. Rockefeller Foundation, New York, USA
    • Mackill, D.J., Erickson, T., Redoña, E.D., (1992) Use of molecular markers for rice genetics and breeding in California
    • In: 1992 Rice Field Day Abstracts, Rice Experiment Station, Biggs, california, USA
    • Redoña, E.D., Mackill, D.J., (1997) Biometrical and molecular genetic analysis of quantitative traits: the case of rice seedling vigor
    • PhilRice Techical Bulletin Volume 2
    • Mackill, D.J., Redoña, E.D. , (1996) Mapping quantitative trait loci for seedling vigor in rice using RFLPs
    • Theoretical and Applied Genetics Volume 92
    • Redoña, E.D., Mackill. D.J., (1996) Molecular mapping of quantitatvie trait loci in japonica rice
    • Genome Volume 39
    • Redoña, E.D., Mackill, D.J., (1996) Genetic variation for seedling vigor traits in rice
    • Crop Science Volume 36
    • Redoña, E.D., Fabiosa, J.F., Padolina, T.F., Osoteo, G.M., Dela Cruz, H.C., Orbien, S.R., (1997) National food security and mutation breeding
    • Philippine Nuclear Research Institute
    • Redoña, E.D., Malabanan. A.M., dela Cruz, A., Ablaza, S.M.F., Deleon, J.C., Orbien, S.R., (1997) Current hybrid rice work issues and opportunities in the Philippines
    • Progress in the Development and Use of Hybrid Rice Technologies
    • Mackfill, D.J., Redoña, E.D., Colowit, P., (1996) Level of polymorphism and genetic mapping with AFLP markers in rice
    • Genome , No. 39
    • Redoña, E.D., Sebastian, L.S., (1996) Genotype x environment interaction analysis in national irrigated lowland rice yield trials
    • Philippine Journals of Crop Science Volume 1
    • Redoña E.D., Sebastian, L.S., Malabanan, F.M., Orbien, S.R., (1997) Hybrid rice and biotechnology research and development of Philippine rice
    • Agricultural Sciences
    • Redoña, E.D., (1997) Overview and prospects of hybrid rice in the Philippines
    • Philippine Rice Research Institute
    • Redoña E.D., dela Cruz, I.A., Ablaza, S.M.F., Deleon, J.C., Malabanan, F.M., Orbien, S.R., (1997) Current status of hybrid rice research in the Philippines
    • Philippine Rice Research Institute
    • Redoña, E.D., (1997) Current status and future prospect of hybrid rice seed industry in the Philippines
    • International Rice Research Institute
    • Redoña, E.D., Hipolito, L., Caldo, R., Sebastian, L.S., (1996) Utilizations of AFLPs for genetic diversity analysis
    • International Rice Research of the Philippines
    • Redoña, E.D. De Leon,J.C. , (1996) Breeding molecular genetics and biotechnology
    • Rice Research Institute of the Philippines
    • Redoña, E.D., Sebastian, L.S., (1996) Amplified fragment length polymorphism : A new tool for genetic studies in rice
    • Philipppine Rice Research Institute
    • Redoña, E.D. Sebastian, L.S., (1996) Prospects for season - specific release of irrigated low-land rice
    • National Rice Varietal Improvement Group
    • Redoña, E.D., Dela Cruz, H.C., Padolina,T.F., Corpuz, E.R., Dimaano, Y.A., Osoteo, G.M., Ablaza, W.A., Orcino, J.A., (1996) Development of irrigated lowland rice varieties
    • Philippine Rice Research Institute
    • Redoña, E.D., (1989) The Philippine Industry
    • Organization and Management of Seed Production and Supply
    • Redoña, E.D., (1989) International Rice Testing Program
    • Organization and Management of seed Production and Supply
    • Redoña, E.D., (1984) Legume varietal development
    • Philippine Center for International Trade and Exhibitions
    • Redoña, E.D., (1984) Combining ability and heterotis estimates for some quantitive traits in peanut (Arachis Hypogaea L.)
    • Master of Science Thesis
    • Redoña, E.D., (1983) Peanut varietal improvement at the Institute of Plant Breeding
    • Department of Crop Science
    • Redoña, E.D., (1979) The effect of different drying methods on the oil content and quality of coconut Cocos nucifera L
    • B.S. Thesis
    • Redoña, E.D., Mackill, D.J., () Quantitive trait loci (QTL)s for seedling vigor mapped
    • Rice Biotechnology Quarterly Volume 27
    • Redoña, E.D., Zhang, Z., Colowit, P.M., (1996) Amplified fragment length polymorpisms (AFLPs)): New markers forgeneic mapping in rice
    • In: Abstracts of the Third National Genetics Symposium, Los Ba?os, Laguna
    • Redoña, E.D., Mackill, D.J., (1996) Identification of chromosomal regions underlying some quantitative traits in rice using RFLP, RAPD and AFLP markers
    • In: Abstracts of the 1996 Annual Scientific Meeting, NAST, Taguig, Metro Manila
    • Redoña, E.D., Mackill, D.J., (1996) A genetic map of japonica rice based on DNA markers
    • In: Abstracts of the 1996 Annual Scientific Meeting, National Academy of Science and Technology, Davao City Philippines
    • Redoña, E.D., Mackill, D.J., (1996) Molecular mapping of regions controlling some reproductive and seed traits in rice using three types of DNA-based markers
    • Philippine Journal of Crop Science Volume 21, No. 1
    • Redoña, E.D., Mackill, D.J., (1996) Evaluation of cytoplasmic male sterile lines and identification of potential restorers for hybrid rice breeding
    • Philippine Journal of Crop Science Volume 21, No. 1
    • Mackill, D., Colowit, P.M., Redoña, E.D., (1996) Identifying and mapping genes for California rice improvement
    • In: 1996 Rice Field Day Abstracts, Rice Experiment Station, Biggs, California, USA
    • Redoña, E.D., (1995) Molecular mapping of quantitative trait loci for seedling vigor in rice
    • Dissertation Abstracts International Volume 56, No. 11
    • Mackill, D.J., Redoña, E.D., (1996) Genotype requirements for direct-seeded rice
    • In: Abstracts of the International Workshop on Breeding Strategies for Rainfed Lowland Rice in Drought Prone Environments
    • Redoña, E.D., Mackill, D.J., (1996) Seedling vigor traits in rice
    • Rice Biotechnology Quarterly Volume 28
    • Redoña, E.D., Mackill. D.J., (1996) Quantitative trait locus (QTL) in japonica rice mapped
    • Rice Biotechnology Quarterly Volume 28
    • Mackill, D.J., Zhang, Z., Redoña, E.D., (1996) AFLP markers for rice genetic studies
    • In: Abstracts of the 4th International Conference on the Status of Plant Genome Research, Scherago International, New York, USA
    • Redoña, E.D., Mackill, D.J., (1996) Development of a RAPD-based map in japonica rice and its use in QTL analysis
    • In: Abstracts of the 4th International Conference on the Status of Plant geneome Research, Scherago International, New York, USA
    • Redoña, E.D., Mackill, D.J., (1995) Biometrical ang molecular genetic analysis of quantitative traits: The case for rice seedling vigor
    • Philippine Rice R & D Highlights 1995
    • Redoña, E.D., Hipolito, L.R., Ocampo, T.D., Sebastian, L.S., (1998) Molecular polymorphisms of rice cytoplasmic -genetic male-sterile (CMS) lines based on AFLP, RAPD and microsatellite markers
    • Philippine Journal of Crop Science Volume 23, No. 1
    • Redoña, E.D., Mackill, D.J., (1996 D ) Quantitative trait locus analysis of rice seedling vigor in japonica and indica genetic backgrounds
    • International Rice Research Notes Volume 21
    • Redoña, E.D, (2011 JL 13-14) Application of dihaploid breeding technology in variety development and QTL mapping of rice(Oryza sativa L.)
    • Transactions of the National Academy of Science and Technology. Abstracts of Papers Volume 33, No. 1

Awards:

    • Graduate Research Assistantship Award for Master of Science work at the UPLB, IPB-UPLB, 1980-1982
    • Research Grant, Food and Agriculture Organization of the United Nations, 1998 Jl 23
    • Main Proponent Research Grant, Dept. of Agriculture, 1997 Jl 23
    • Research Grant, Rockefeller Foundation, 1996 Jl 23
    • Best Poster Paper NAST Annual Society Meeting , NAST, 14-16 Jl 1996
    • Research Grant, International Foundation of Science, 1996 Jl 23
    • Best Poster at the 9th National Rice Research, Devt. Review and Planning Workshop, Phil. Rice Research Institute, 1996 Mr 5-7
    • Predoctoral Fellowship Award for PhD Work at UC, Davis, USA, Rockefeller Foundation, USA, 1990-1995
    • Magna Cum Laude, Silliman University, 1979
    • Elected to the Phi Sigma Biological Honor Society, University of California, Davis Chapter
    • Elected to the Phi Sigma Biological Science Honor Society, UP, Diliman, Quezon City
    • Pres. Ferdinand Marcos COCOFED Scholarship Award for BS work, Silliman University, 1975-1979
    • Elected to the Gamma Sigma Delta, The Honor Society of Agriculture, UPLB, College, Laguna
    • 15 Travel Awards from various Institutions, , 1983-1998
    • Outstanding Young Scientist (Genetics), NAST-DOST, 1998