Timothy Gabriel Porch
(Tim)
Tropical Crops and Germplasm Research
Geneticist Plants
Phone: (787) 831-3435 ext. 254
Fax: (787) 831-3386
2200 P. A. CAMPOS AVE., SUITE 201
MAYAGUEZ, PR, 00680-5470
Porch Clay, T.G., Beaver, J.S., Debouck, D.G., Jackson, S., Kelly, J.D., Dempewolf, H. 2013. Use of wild relatives and closely-related species to adapt common bean to climate change. Agronomy. 3:433-461.
Porch Clay, T.G., Beaver, J.S., Brick, M.A. 2013. Registration of tepary germplasm with multiple-stress tolerance, TARS-Tep 22 and TARS-Tep 32. Journal of Plant Registrations. 7:1-7.
Guachambala, M., Gonzalez, A., Estevez De Jensen, C., Beaver, J.S., Porch Clay, T.G. 2013. Root traits and nodulation of recombinant inbred bean lines from a Jamapa x Calima population inoculated with two strains of rhizobium. Bean Improvement Cooperative Annual Report. 56:75-76.
Wasonga, C.J., Pastor Corrales, M.A., Porch Clay, T.G., Griffiths, P.D. 2012. Multi-environment selection of small sieve snap beans reduces production constraints in East Africa and subtropical regions. HortScience. 47:1000-1006.
Brisco, E.I., Porch Clay, T.G., Kelly, J.D. 2012. Influence of leaf color in a dry bean mapping population on Empoasca sp. populations and host plant resistance. Bean Improvement Cooperative Annual Report. 55:83-84.
Porch Clay, T.G., Griffiths, P.D. 2012. Strategies to improve adaptation of common bean to high ambient temperature. Bean Improvement Cooperative Meeting Abstracts. 55:9-10.
Brisco, E.I., Porch Clay, T.G., Kelly, J.D. 2012. Influence of leaf color in a dry bean mapping population on Empoasca sp. populations and host plant resistance. Bean Improvement Cooperative Meeting Abstracts. 55:83-84.
Linares, A.M., Osorno, J.M., Porch Clay, T.G., Urrea, C. 2012. A mapping population for severe drought tolerance in dry beans. Bean Improvement Cooperative Meeting Abstracts. 55:107-108.
Mcclean, P.E., Burridge, J., Beebe, S., Rao, I.M., Porch Clay, T.G. 2011. Crop improvement in the era of climate change: an integrated, multi-disciplinary approach for common bean (Phaseolus vulgaris L.). Functional Plant Biology. Available: http://dx.doi.org/10.1071/FP11102.
Brisco, E.I., Porch Clay, T.G., Kelly, J.D. 2011. Comparison of choice versus no-choice tests of a dry bean RIL population for resistance to potato leafhopper. Bean Improvement Cooperative Annual Report. 54:88-89.
Abawai, G.S., Porch Clay, T.G., Kelly, J.D. 2011. Field and greenhouse evaluation of bean germplasm for root rot and other deseases in New York, 2010. Bean Improvement Cooperative Annual Report. 54:142-143.
Estevez De Jensen, C., Faria, O., Porch Clay, T.G., Beaver, J.S. 2011. Speed of nodulation of UMR 1899 and UMR 1597 in common bean breeding lines. Bean Improvement Cooperative Annual Report. 54:168-169.
Ramirez-Builes, V.H., Porch Clay, T.G., Harmsen, E.W. 2011. Evaluation of the efficiency of water use in common bean under drought and non-stress conditions in the greenhouse and field. Agronomy Journal. 103:1206-1215.
Zapata, M., Beaver, J.S., Porch Clay, T.G. 2011. Dominant gene for common bean resistance to common bacterial blight caused by Xanthomonas axonopodis pv. phaseoli. Euphytica. 179:379-382.
Pastor Corrales, M.A., Wasonga, C.J., Porch Clay, T.G., Griffiths, P.D. 2010. Targeting gene combinations for broad spectrum rust resistance in heat tolerant snap beans developed for tropical environments. Journal of the American Society for Horticultural Science. 135(6):521-532.
Ramirez-Builes, V.H., Harmsen, E.W., Porch Clay, T.G. 2008. Crop Water Stress Index and Yield Components for Common Bean (Phaseolus vulgaris L.) Genotypes in Greenhouse and Field Environments. Caribbean Food Crops Society Proceedings. 44(2):279.
Urrea, C., Porch Clay, T.G. 2010. Phenotypic evaluation of a subset of the Phaseolus vulgaris core collection, the P. acutifolius germplasm collection and cultivars for drought tolerance in Nebraska and Puerto Rico. Annual Report of the Bean Improvement Cooperative. 53:164-165.
Brisco, E.I., Porch Clay, T.G., Kelly, J.D. 2010. Phenotypic evaluation of a dry bean mapping population for resistance to potato leafhopper. Annual Report of the Bean Improvement Cooperative. 53:84-85.
Wasonga, C.J., Pastor Corrales, M.A., Porch Clay, T.G., Griffiths, P. 2010. Evaluation of Snap Bean Genotypes Combining Rust Resistance and Heat Tolerance Traits in East Africa. Annual Report of the Bean Improvement Cooperative 53:62-63.
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.
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.
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.
Porch, T.G., Blair, M., Lariguet, P., Galeano, C., Pankhurst, C., Broughton, W.J. 2009. Generation of a mutant population for TILLING common bean genotype BAT 93. Journal of the American Society for Horticultural Science. 134:348-355.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.