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Timothy Gabriel Porch (Tim)
Tropical Agriculture Research Station
Geneticist Plants

Phone: (787) 831-3435 ext. 254
Fax: (787) 831-3386
2200 P. A. CAMPOS AVE., SUITE 201
MAYAGUEZ, PR, 00680-5470

Projects
Characterization, Conversion, and Improvement of Common Bean Germplasm
Appropriated (D)
  Accession Number: 413314
Breeding for Root Rot and Common Bacterial Blight Resistance in Common Bean
Nonfunded Cooperative Agreement (N)
  Accession Number: 409038
Breeding for Heat Tolerance in Common Bean
Nonfunded Cooperative Agreement (N)
  Accession Number: 409294
Development, Testing and Dissemination of Genetically Improved Bean Cultivar for Central America, the Caribbean and Angola
Reimbursable (R)
  Accession Number: 412734

Publications
Testing the model for a dominant resistance gene expresed on leaves of Phaseolus vulgaris F2 (0313-58 X Rosada Nativa) to the common bacterial blight pathogen, Xanthomonas axonopodis pv. Phaseoli - (Research Notes)
Zapata, M., Beaver, J., Porch, T.G. 2009. Testing the model for a dominant resistance gene expresed on leaves of Phaseolus vulgaris F2 (0313-58 X Rosada Nativa) to the common bacterial blight pathogen, Xanthomonas axonopodis pv. Phaseoli. Bean Improvement Cooperative Annual Report. 52:72-73.
Evaluation of drought tolerance in common bean germplasm in Juana Díaz, Puerto Rico - (Peer Reviewed Journal)
Porch, T.G., Ramirez, V.H., Santana, D., Harmsen, E.W. 2009. Evaluation of drought tolerance in common bean germplasm in Juana Díaz, Puerto Rico. Journal of Agronomy and Crop Science 195:1-7.
Phenotypic evaluation of a subset of the Phaseolus vulgaris core collections and the P. acutifolius germplasm collection, and advanced common bean lines for drought tolerance in Nebraska - (Research Notes)
Urrea, C.A., Porch, T.G. 2009. Phenotypic evaluation of a subset of the Phaseolus vulgaris core collections and the P. acutifolius germplasm collection, and advanced common bean lines for drought tolerance in Nebraska. Bean Improvement Cooperative Annual Report. 52:104-105.
Combining Rust Resistance and Heat Tolerance in Snap Beans - (Abstract)
Griffiths, P.D., Pastor Corrales, M.A., Porch, T.G. 2008. Combining Rust Resistance and Heat Tolerance in Snap Beans. HortScience. 43(4):1151.
Generator of a mutant population for TILLING common bean genotype BAT 93. - (Peer Reviewed Journal)
Porch, T.G., Blair, M., Lariguet, P., Galeano, C., Pankhurst, C., Broughton, W.J. 2009. Generator of a mutant population for TILLING common bean genotype BAT 93.. Journal of the American Society for Horticultural Science. 134:348-355.
Registration of 'verano' White Bean - (Peer Reviewed Journal)
Beaver, J.S., Porch, T.G., Zapata, M. 2008. Registration of 'verano' white bean. Journal of Plant Registrations. 2:187-189.
Estimation of Actual Evapotranspiration Using Measured and Calculated Values of Bulk Surface Resistance - (Research Notes)
Harmsen, E., Ramirez-Builles, V.H., Porch, T.G. 2008. Estimation of actual evapotranspiration using measured and calculated values of bulk surface resistance. Proceedings of the World Environmental and Water Resources Congress Conference. 316:115.
Development of linear models for estimation of leaflet area in common bean (Phaseolus vulgaris L.) - (Peer Reviewed Journal)
Ramirez, V.H., Porch, T.G., Harmsen, E.W. 2008. Development of linear models for estimation of leaflet area in common bean (Phaseolus vulgaris L.). J.Agric. Univ. P.R. 92(3-4):171-182.
Induced mutants in common bean (Phaseolus vulgaris), and their potential use in nutrition quality breeding and gene discovery. - (Review Article)
Blair, M.W., Porch, T.G., Cichy, K.A., Galeano, C.H., Lariguet, P., Pankurst, C., Broughton, W. 2008. Induced mutants in common bean (Phaseolus vulgaris), and their potential use in nutrition quality breeding and gene discovery. Israel Journal of Plants Sciences 55:191-200.
Mutagenesis of Bat 93 for Tilling in Common Bean - (Research Notes)
Porch, T.G., Blair, M., Lariguet, P., Broughton, W. 2008. Mutagenesis of bat 93 for tilling in common bean. Bean Improvement Cooperative Annual Report. 51:82-83.
Standard nomenclature for common bean chromosomes and linkage groups - (Research Notes)
Pedrosa-Harand, A., Porch, T.G., Gepts, P. 2008. Standard nomenclature for common bean chromosomes and linkage groups. Bean Improvement Cooperative Annual Report. 51:106-107.
Evapotranspiration and Water Use Efficiency for Common Bean Genotypes under Non-Stress and Drought Stress Conditions. - (Research Notes)
Ramirez, V.H., Porch, T.G., Harmsen, E.W. 2008. Evapotranspiration and water use efficiency for common bean genotypes under non-stress and drought stress conditions. Bean Improvement Cooperative Annual Report. 51:82-83.
EMS mutagenesis of BAT 93 for TILLING - (Abstract)
Porch, T.G., Lariguet, P., Blair, M., Broughton, W. 2007. EMS mutagenesis of BAT 93 for TILLING. Phaseomics V. 5:16.
Cost benefit analysis of the introduction of heat tolerant bean varieties in Atlántida, Honduras. - (Research Notes)
Porch, T.G., Bernsten, R., Rosas, J.C., Jahn, M. 2007. Cost benefit analysis of the introduction of heat tolerant bean varieties in Atlántida, Honduras.. Bean Improvement Cooperative Annual Report. 50:199-200.
Foliage, pod and internal seed infection of selected common bean lines when inoculated with two strains of Xanthomonas axonopodis pv. phaseoli - (Research Notes)
Zapata, M., Beaver, J., Porch, T.G. 2007. Foliage, pod and internal seed infection of selected common bean lines when inoculated with two strains of Xanthomonas axonopodis pv. phaseoli. Bean Improvement Cooperative Annual Report 50:117-118.
Climate Change and the Potential Economic Benefits of Heat Tolerant Bean Varieties for Farmers in Atlantida, Honduras - (Peer Reviewed Journal)
Porch, T.G., Bernsten, R., Rosas, J.C., Jahn, M. 2008. Climate change and the potential economic benefits of heat tolerant bean varieties for farmers in Atlantida, Honduras. Journal of Agriculture of the University of Puerto Rico. 91:133-148.
Genomics of Phaseolus Beans, a Major Source of Dietary Protein and Micronutrients in the Tropics - (Book/Chapter)
Gepts, P., Aragao, F.L., De Barros, E., Blair, M.W., Brondani, R., Broughton, W., Galasso, I., Hernandez, G., Kami, J., Lariguet, P., Mcclean, P., Melotto, M., Miklas, P.N., Pauls, P., Pedrosa-Harand, A., Porch, T.G., Sanchez, F., Sparvoli, F., Yu, K. 2008. Genomics of Phaseolus Beans, a Major Source of Dietary Protein and Micronutrients in the Tropics. In: Moore, P.H. and Ming, R. Genomics of Tropical Crop Plants. New York. Springer Press. Vol(1). p. 113-143.
Tilling Beans for Changes in Nodule and Seed Development - (Abstract)
Lariguet, P., Pankhurst, C.E., Porch, T.G., Boukli, N.M., Silue, S., Baudoin, J.P., Blair, M.W., Triplette, E.W., Noel, K.D., Broughton, W.J. 2006. Tilling beans for changes in nodule and seed development [abstract]. Proceedings of European Nitrogen Fixation Conference.
Evapotranspiration and Crop Coefficients for Two Genotypes of Common Bean (Phaseolus Vulgaris L.) with Variable Surface Resistance under Water-Limited and Non-Limited Conditions - (Abstract)
Ramirez, V.H., Harmsen, E.W., Porch, T.G. 2006. Evapotranspiration and crop coefficients for two genotypes of common bean (phaseolus vulgaris l.) with variable surface resistance under water-limited and non-limited conditions.
Application of Stress Indices for Heat Tolerance Screening of Common Bean - (Peer Reviewed Journal)
Porch, T. 2006. Application of stress indices for heat tolerance screening of common bean. Journal of Agronomy and Crop Science. 192:390-394.
Low-Cost Conversion of the Polaroid Md-4 Land Camera to a Digital Gel Documentation System - (Peer Reviewed Journal)
Porch, T.G., Erpelding, J.E. 2006. Low-cost conversion of the Polaroid MD-4 land camera to a digital gel documentation system. Journal of Biochemical and Biophysical Methods. 67:1-5.
Initial Aflp Tagging of the Gene (Cl) for Circumlineated Pattern - (Proceedings/Symposium)
Luwbia, A., Porch, T.G., Bassett, M.J. 2006. Initial AFLP tagging of the gene (CL) for circumlineated pattern. Bean Improvement Cooperative Proceedings. 49:55-56
Effects of Drought on Stomatal Resistance, Surface Resistance and Leaf Temperature in Four Genotypes of Common Bean (Phaseolus Vulgaris L.) under Greenhouse Conditions - (Abstract) - (29-Sep-05)
The Maize Viviparous10/viviparous13 Locus Encodes the Cnx1 Gene Required for Molybdenum Cofactor Biosynthesis - (Peer Reviewed Journal)
Porch, T.G., Tseung, C., Schmelz, E.A., Settles, M. 2006. The maize Viviparous 10/Viviparous 13 locus encodes the Cnx1 gene required for molybdenum cofactor biosynthesis. The Plant Journal. 45(2):250-263.
The Maize Viviparous15 Locus Encodes the Molybdopterin Synthase Small Subunit - (Peer Reviewed Journal)
Suzuki, M., Settles, M.A., Tseung, C., Li, Q., Latshaw, S., Wu, S., Porch, T., Schmelz, E.A., James, M.G., McCarty, D.R. 2006. The Maize viviparous 15 locus encodes the molybdopterin synthase small subunit. The Plant Journal 44(2):264-274.
Initial Aflp Tagging of the Gene (Cl) for Circumlineated Pattern - (Abstract)
Aranda, L., Porch, T.G., Bassett, M.J. 2005. Initial AFLP tagging of the gene (CL) for circumlineated pattern [abstract]. Bean Improvement Cooperative Meeting Abstracts.
Steady-State Transposon Mutagenesis in Inbred Maize - (Peer Reviewed Journal)
McCarty, D.R., Settles, M.A., Suzuki, M., Tan, .C., Latshaw, S., Porch, T.G., Robin, K., Gaier, J., Avigne, W., Lai, J., Messing, J., Koch, K.E., Hannah, C. 2005. Steady-state transposon, mutagenesis in inbred maize. The Plant Journal 44:52-61.
The Maize Viviparous13 Locus Encodes the Cnx1 Gene Required for Molybdenum Cofactor Biosynthesis - (Abstract)
Porch, T.G., Tseung, C., Schmelz, E.A., Settles, M. 2005. The maize viviparous13 locus encodes the cnx1 gene required for molybdenum cofactor biosynthesis [abstract]. Plant Cell Signaling Conference.
Gca Effects of Reproductive Heat Tolerance in Snap Bean - (Peer Reviewed Journal)
Porch, T.G., Dickson, M.H., Long, M.C., Viands, D.R., Jahn, M. 2004. GCA effects of reproductive heat tolerance in snap bean. Journal of Agriculture of the University of Puerto Rico. v. 88(3-4):161-164.
Tilling Beans for Changes in Nodule and Seed Development As Well As Tolerance to Aluminum - (Abstract)
Lariguet, P., Pankhurst, C.E., Porch, T.G., Silue S., Boukli, N.M., Ishitani, M., Rao, I.M., Beebe, S., Triplett, E.W. Baudoin, J.P., Blair, M.W., Broughton, W.J. 2004. Tilling beans for changes in nodule and seed development as well as tolerance to aluminum [abstract]. International Conference on Legume Genomics and Genetics.
Biochemical and Molecular Characterization of Maize Vp13 Mutants - (Abstract)
Tseung, C., Porch, T.G., McCarty, D.R., Settles, M. 2004. Biochemical and molecular characterization of maize vp13 mutants [abstract]. Maize Genetics Conference Abstracts.
Functional Genomics of Endosperm Development in Maize - (Abstract)
Settles, M., Hannah, C.L., Kock, K.E., Baier, J., Latshaw, S., Avigne, W., Tan Bao, C., Suzuki, M., Porch. T.G., Becraft, P., Larkins, B., Messing, J., McCarty, D.R., 2004. Functional Genomics of endosperm development in maize (abstract). Plant and Animal Genome Conference.

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Last Modified: 11/24/2009
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