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United States Department of Agriculture

Agricultural Research Service

Related Topics

Timothy Gabriel Porch (Tim)
Tropical Crops and Germplasm Research
Genetics

Phone: (787) 831-3435 ext. 254
Fax: (787) 831-3386

2200 P. A. CAMPOS AVE., SUITE 201
MAYAGUEZ , PR 006805470

Projects
Breeding Locally-adapted Pulse Crops for Enhanced Yield and Seed Qualities
Cooperative Agreement (A)
  Accession Number: 428064
Genetic Enhancement of Common Bean Using Exotic Germplasm for Biotic and Abiotic Stress Tolerance
In-House Appropriated (D)
  Accession Number: 425073
Pyramiding elemental traits to accelerate breeding of resilient, more productive beans for smallholder farmers
Reimbursable Cooperative Agreement (R)
  Accession Number: 425870
Development and implementation of robust molecular markers and genetic improvement of common and tepary beans in Central America and Haiti
Reimbursable Cooperative Agreement (R)
  Accession Number: 425908
Genetic Solutions for the Sustainable Intensification of Common Bean Production in Low-Input, Small-Holder Agricultural Systems
Reimbursable Cooperative Agreement (R)
  Accession Number: 426046
Characterization of Angular Leaf Spot in Puerto Rico and the Evaluation of the Genetic Response in Common Bean
Non-Assistance Cooperative Agreement (S)
  Accession Number: 427178
Increasing Common Bean Productivity in Tanzania
Non-Assistance Cooperative Agreement (S)
  Accession Number: 428522

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Characterization of the common bean host and Pseudocercospora griseola the causative agent of angular leaf spot disease in Tanzania -
Chilagane, L.A., Nchimbi-Msolla, S., Kusolwa, P.M., Porch, T.G., Serrato-Diaz, L.M., Muhamba-Triphone, G. 2016. Characterization of the common bean host and Pseudocercospora griseola the causative agent of angular leaf spot disease in Tanzania. African Journal of Plant Science. DOI:10.5897/AJPS2016.1427.
Registration of AO-1012-29-3-3A red kidney bean germplasm line with bean weevil, BCMV and BCMNV resistance -
Kusolwa, P.M., Myers, J.R., Porch, T.G., Trukhina, Y.O., Gonzalez-Velez, A., Beaver, J.S. 2016. Registration of AO-1012-29-3-3A red kidney bean germplasm line with bean weevil, BCMV and BCMNV resistance. Journal of Plant Registrations. 10:149-153.
Nutritional composition and cooking characteristics of tepary bean (Phaseolus acutifolius Gray) in comparison with common bean (Phaseolus vulgaris L.) -
Porch, T.G., Cichy, K.A., Wang, W., Brick, M., Beaver, J.S., Santana, D., Grusak, M.A. 2016. Nutritional composition and cooking characteristics of tepary bean (Phaseolus acutifolius Gray) in comparison with common bean (Phaseolus vulgaris L.). Genetic Resources and Crop Evolution. DOI 10.1007/s10722-016-0413-0.
Isolates of Rhizoctonia solani can produce both web blight and root rot symptoms in common bean (Phaseolus vulgaris L.) -
Valentin-Torres, S., Vargas, M.M., Godoy-Luts, G., Porch, T.G., Beaver, J.S. 2016. Isolates of Rhizoctonia solani can produce both web blight and root rot symptoms in common bean (Phaseolus vulgaris L.). Plant Disease. http://apsjournals.apsnet.org/doi/abs/10.1094/PDIS-11-15-1270-RE.
Registration of PR1146-138 yellow dry bean germplasm line -
, J.S., Prophete, E., Demosthene, G., Porch, T.G. 2016. Registration of PR1146-138 yellow dry bean germplasm line. Journal of Plant Registrations. 10:145-148.
Characterization and application of the Andean Diversity Panel for the improvement of common bean productivity in Sub-Saharan Africa -
Field Performance of Andean Diversity Panel lines in two locations in Tanzania -
Evaluation of common bean lines for adaptation to high temperatures in Honduras -
Reaction of the BASE 120 lines to angular leaf spot in Puerto Rico -
Durango diversity panel: abiotic and biotic stress characterization and potential for introducing new germplasm into East Africa -
Virulence of Macrophomina phaseolina isolates in common bean (Phaseolus vulgaris) genotypes -
Evaluation of the tepary bean (Phaseolus acutifolius) diversity panel for response to the NL 3 strain of Bean Common Mosaic Necrosis Virus (BCMNV) and for biological nitrogen fixation with Bradyrhizobium strains -
Common bean and cowpea improvement in Angola -
Angular leaf spot disease status and characterization of the causative pathgen (P. Griseola) in Tanzania -
Breeding black beans for Haiti with multiple virus resistance -
Breeding Beans with Bruchid and Multiple Virus Resistance -
Genome-wide association studies of morphological and agronomical traits in cultivated tepary beans (Phaseolus acutifolius) -
Phenotypic evaluation and genome wide association studies of two common bean (Phaseolus vulgaris) diversity panels in multiple locations highlight evaluation techniques, traits and lines useful for trait based selection -
Response of the Andean diversity panel to root rot in a root rot nursery in Puerto Rico -
Response of different common bean lines to Phaeoisariopsis griseola in Puerto Rico -
Root rots of common and tepary beans in Puerto Rico -
Characterization of a panel of tepary bean (Phaseolus acutifolius) and its application to theimprovement of this orphan crop -
Evaluation of the reaction oof interspecific hybrids of common bean and tepary bean to Bradyrhizobium y Rhizobium -
Development of the yellow common bean germplasm PR1146-138 -
A Phaseolus vulgaris diversity panel for Andean bean improvement -
Cichy, K.A., Porch, T.G., Beaver, J.S., Cregan, P.B., Fourie, D., Glahn, R.P., Grusak, M.A., Kamfwa, K., Katuuramu, D., McClean, P., Mndolwa, E., Nchimbi-Msolla, S., Pastor Corrales, M.A., Miklas, P.N. 2015. A Phaseolus vulgaris diversity panel for Andean bean improvement. Crop Science. 55:2149-2160.
Registration of PR0806-80 and PR0806-81 white bean germplasm lines with resistance to BGYMV, BCMV, BCMNV and rust -
Beaver, J.S., Rosas, J.C., Porch Clay, T.G., Pastor Corrales, M.A., Godoy-Lutz, G., Prophete, E.H. 2015. Registration of PR0806-80 and PR0806-81 white bean germplasm lines with resistance to BGYMV, BCMV, BCMNV and rust. Journal of Plant Registrations. 9(2):208-211.
Using tepary bean as a donor of abiotic stress tolerance gene in common bean -
Advances in the Breeding and Genetics of Heat Tolerance to Alleviate the Effects of Climate Change, with a Focus on Common Bean -
Genomic Insight into the Breeding of Edible Podded Beans in a Snap bean Association Panel (SnAP) -
QTL mapping for drought tolerance using a RIL population -
Linares, A.M., Urrea, C.A., Porch Clay, T.G., Mamidi, S., Mcclean, P.E., Osorno, J.M. 2014. QTL mapping for drought tolerance using a RIL population. Bean Improvement Cooperative Annual Report. p. 37-38.
Association mapping analysis of the response to Macrophomina phaseolina in the Andean Diversity Panel -
Ureide accumulation and abiotic stress resistance in a population of common bean, tepary bean and interspecific hybrids -
Progress in breeding Andean common bean for resistance to common bacerial blight -
Viteri, D.M., Teran, H., Asencio-S.-Manzanera, M., Asencio, C., Porch Clay, T.G., Miklas, P.N., Singh, S. 2014. Progress in breeding Andean common bean for resistance to common bacerial blight. Crop Science. 54:2084-2092.
Identification of QTL associated with resistance to leafhopper species Empoasca fabae and Empoasca kraemeri in common bean -
Brisco, E.I., Porch Clay, T.G., Cregan, P.B., Kelly, J.D. 2014. Identification of QTL associated with resistance to leafhopper species Empoasca fabae and Empoasca kraemeri in common bean. Crop Science. doi:10.2135/cropsci2014.02.0159.
Diversity for cooking time in Andean dry bean -
Cichy, K.A., Wiesinger, J.A., Porch Clay, T.G., Miklas, P.N. 2014. Diversity for cooking time in Andean dry bean. Bean Improvement Cooperative Annual Report. p. 25-26.
Release of ‘XRAV-40-4’ black bean (Phaseolus vulgaris L.) cultivar -
beaver, J.S., Prophete, E.H., Rosas, J.C., Godoy-Lutz, G., Steadman, T.G., Porch Clay, T.G. 2014. Release of ‘XRAV-40-4’ black bean (Phaseolus vulgaris L.) cultivar. Journal of Agriculture of the University of Puerto Rico. 98:83-87.
Diversity for cooking time in Andean dry beans -
Cichy, K.A., Wiesinger, J.A., Porch Clay, T.G., Miklas, P.N. 2014. Diversity for cooking time in Andean dry beans. Bean Improvement Cooperative Annual Report. 57: 25-26.
Resistance of common bean breeding lines to Phaeoisariopsis griseola isolates from Honduras -
Rodriguez, I.J., Vargas, A., Rosas, J.C., Beaver, J.S., Porch Clay, T.G. 2014. Resistance of common bean breeding lines to Phaeoisariopsis griseola isolates from Honduras. Bean Improvement Cooperative Annual Report. p. 215-216.
Response of Andean and Mesoamerican common bean genotypes to inoculation with rhizobium strains. -
Racancoj, A.J., Vargas, A., Rosas, J.C., Estevez De Jensen, C., Beaver, J.S., Porch Clay, T.G. 2014. Response of Andean and Mesoamerican common bean genotypes to inoculation with rhizobium strains. Bean Improvement Cooperative Annual Report. p. 245-246.
Development of tools for Macrophomina phaseolina evaluation and for genetic improvement of resistance in common bean -
Porch Clay, T.G., Beaver, J.S., Colom, S., Estevez De Jensen, C. 2014. Development of tools for Macrophomina phaseolina evaluation and for genetic improvement of resistance in common bean. Bean Improvement Cooperative Proceedings. p. 189-190.
Evaluation of the tepary bean (Phaseolus acutifolius) CIAT germplasm collection for response to common bacterial blight and bean common mosaic necrosis virus -
Vargas, A., Porch Clay, T.G., Beaver, J. 2014. Evaluation of the tepary bean (Phaseolus acutifolius) CIAT germplasm collection for response to common bacterial blight and bean common mosaic necrosis virus. Bean Improvement Cooperative Annual Report. p. 181-182.
Identification of soil-borne pathogens in a common bean root rot nursery in Isabela, Puerto Rico -
Porch Clay, T.G., Valentin, S., Beaver, J. 2014. Identification of soil-borne pathogens in a common bean root rot nursery in Isabela, Puerto Rico. Journal of Agriculture of the University of Puerto Rico. 98:1-14.
Evaluation of virulence of different isolates of Macrophomina phaseolina in common bean (Phaseolus vulgaris) using two inoculation methods. -
Estevez De Jensen, C., Vargas, A., Porch Clay, T.G., Beaver, J.S. 2014. Evaluation of virulence of different isolates of Macrophomina phaseolina in common bean (Phaseolus vulgaris) using two inoculation methods. Bean Improvement Cooperative Proceedings. p. 215-216.
Inheritance of high levels of resistance to common bacterial blight caused by Xanthomonas Axonopodis pv. Phaseoli in common bean (Phaseolus vulgaris L.) -
Guachambala Cando, M., Beaver, J.S., Zapata, M., Porch Clay, T.G. 2014. Inheritance of high levels of resistance to common bacterial blight caused by Xanthomonas Axonopodis pv. Phaseoli in common bean (Phaseolus vulgaris L.). Bean Improvement Cooperative Annual Report. p. 179-180.
Genetics and mapping of the C1 gene for circumlineated pattern in common bean using AFLP and SNP-based bulk segregated analysis -
Porch Clay, T.G., Aranda, L., Bassett, M., Lara, L., Cregan, P.B. 2014. Genetics and mapping of the C1 gene for circumlineated pattern in common bean using AFLP and SNP-based bulk segregated analysis. Journal of the American Society for Horticultural Science. 139(2):213-218.
Registration of PR0633-10 and PR0737-1 red mottled dry bean germplasm lines with resistance to BGYMB, BCMV, BCMNV, and common bacterial blight -
Prophete, E., Demosthene, G., Godoy, L., Porch Clay, T.G., Beaver, J.S. 2014. Registration of PR0633-10 and PR0737-1 red mottled dry bean germplasm lines with resistance to BGYMB, BCMV, BCMNV, and common bacterial blight. Journal of Plant Registrations. 8:49-52.
Registration of a small-red dry bean germplasm, TARS-LFR1, with multiple disease resistance and superior performance in low nitrogen soils -
Porch Clay, T.G., Beaver, J.S., Abawi, G.A., Jensen, C.E., Smith, J.R. 2014. Registration of a small-red dry bean germplasm, TARS-LFR1, with multiple disease resistance and superior performance in low nitrogen soils. Journal of Plant Registrations. 8:177-182.
Use of wild relatives and closely-related species to adapt common bean to climate change -
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.
Registration of tepary germplasm with multiple-stress tolerance, TARS-Tep 22 and TARS-Tep 32 -
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. 7:358-364.
Heat Tolerance -
Porch Clay, T.G., Hall,, A.E. 2013. Heat Tolerance. In: Genomics and Breeding for Climate-Resilient Crops. Vol. 2:167-202.
ROOT TRAITS AND NODULATION OF RECOMBINANT INBRED BEAN LINES FROM A ‘JAMAPA × CALIMA’ POPULATION INOCULATED WITH TWO STRAINS OF RHIZOBIUM -
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.
Multi-environment selection of small sieve snap beans reduces production constraints in East Africa and subtropical regions -
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.
Development of improved tepary bean (Phaseolus acutifolius A. Gray) Germplasm -
Porch Clay, T.G., Beaver, J. 2012. Development of improved tepary bean (Phaseolus acutifolius A. Gray) Germplasm. Bean Improvement Cooperative Annual Report. 55:123-124.
Influence of leaf color in a dry bean mapping population on Empoasca sp. populations and host plant resistance. -
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.
STRATEGIES TO IMPROVE ADAPTATION OF COMMON BEAN TO HIGH AMBIENT TEMPERATURE -
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.
Development of improved tepary germplasm -
Porch Clay, T.G., Beaver, J.S. 2012. Development of improved tepary germplasm. Bean Improvement Cooperative Meeting Abstracts. 55:123-124.
Influence of leaf color in a dry bean mapping population on Empoasca sp. populations and host plant resistance -
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.
A mapping population for the evaluation of drought tolerance in dry beans -
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.
Registration of PR0401-259 and PR0650-31 Dry Bean Germplasm Lines -
Beaver, J., Zapata, M., Alameda, M., Porch Clay, T.G., Rosas, J.C. 2012. Registration of PR0401-259 and PR0650-31 Dry Bean Germplasm Lines. Crop Science. 6:81-84.
Release of ‘Beniquez’ White Bean (Phaseolus vulgaris L.) Cultivar -
Beaver, J.S., Godoy Lutz, G., Steadman, J.R., Porch Clay, T.G. 2011. Release of ‘Beniquez’ White Bean (Phaseolus vulgaris L.) Cultivar. Journal of Agriculture of the University of Puerto Rico. 95:237-240.
Crop improvement in the era of climate change: an integrated, multi-disciplinary approach for common bean (Phaseolus vulgaris L.) -
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. 38:927-933.
Registration of TARS-MST1 and SB-DT1 multiple-stress tolerant black bean germplasm -
Porch Clay, T.G., Urrea, C., Beaver, J., Valentin, S., Peña, P.A., Smith, J.R. 2011. Registration of TARS-MST1 and SB-DT1 multiple-stress tolerant black bean germplasm. Journal of Plant Registrations. 6(1):75-80.
COMPARISON OF CHOICE VERSUS NO-CHOICE TESTS OF A DRY BEAN IBL POPULATION FOR RESISTANCE TO POTATO LEAFHOPPER -
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.
FIELD AND GREENHOUSE EVALUATION OF BEAN GERMPLASM FOR ROOT ROT AND OTHER DISEASES IN NEW YORK, 2010 -
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.
Speed of nodulation of UMR 1899 and UMR 1597 in common bean breeding lines -
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.
Genotypic differences in water use efficiency of common bean under drought stress -
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.
Dominant gene for common bean resistance to common bacterial blight caused by Xanthomonas axonopodis pv. phaseoli -
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. 179:373-382.
Targeting gene combinations for broad spectrum rust resistance in heat tolerant snap beans developed for tropical environments Reprint Icon -
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.
Crop Water Stress Index and Yield Components for Common Bean (Phaseolus vulgaris L.) Genotypes in Greenhouse and Field Environments -
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.
TARS-HT1 and TARS-HT2 heat-tolerant dry bean germplasm -
Porch Clay, T.G., Smith, J.R., Beaver, J.S., Griffiths, P.D., Canaday, C. 2010. Registration of TARS-HT1 and TARS-HT2 heat tolerant dry bean germplasm lines. HortScience. 45:1278-1280.
Guidelines for Common Bean QTL Nomenclature -
Miklas, P.N., Porch Clay, T.G. 2010. Guidelines for Common Bean QTL Nomenclature. Annual Report of the Bean Improvement Cooperative 53:202-204.
Phenotypic evaluation of a dry bean RIL population for resistance to potato leafhopper. -
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.
PHENOTYPIC EVALUATION OF A SUBSET OF THE PHASEOLUS VULGARIS CORE COLLECTIONS,THE P. ACUTIFOLIUS GERMPLASM COLLECTION, AND CULTIVARS FOR DROUGHT TOLERANCE IN NEBRASKA AND PUERTO RICO -
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.
Evaluation of Snap Bean Genotypes Combining Rust Resistance and Heat Tolerance Traits in East Africa -
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.
Transformation of common bean: The state of the art -
Registration of 'Badillo' Light Red Kidney Bean -
Beaver, J.S., Porch Clay, T.G., Zapata, M. 2010. Registration of 'Badillo' Light Red Kidney Bean. Journal of Plant Registrations. 4:1-4.
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 -
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 common bean for drought tolerance in Juana Díaz, Puerto Rico -
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 195:328-334.
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 -
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 -
Griffiths, P.D., Pastor Corrales, M.A., Porch, T.G. 2008. Combining Rust Resistance and Heat Tolerance in Snap Beans. HortScience. 43(4):1151.
Generation of a mutant population for TILLING common bean genotype BAT 93. -
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.
REGISTRATION OF 'VERANO' WHITE BEAN -
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 -
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 ASCE World Environmental and Water Resources Congress Conference. 316:115. May 13-16, 2008, Honolulu, Hawaii.
Development of linear models for estimation of leaflet area in common bean (Phaseolus vulgaris L.) -
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.
MUTAGENESIS OF BAT 93 FOR TILLING IN COMMON BEAN -
Porch, T.G., Blair, M., Lariguet, P., Broughton, W. 2008. Mutagenesis of bat 93 for tilling in common bean. Bean Improvement Cooperative Annual Report. 51:18-19.
Standard nomenclature for common bean chromosomes and linkage groups -
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. -
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 -
Porch, T.G., Lariguet, P., Blair, M., Broughton, W. 2007. EMS mutagenesis of BAT 93 for TILLING. Proceedings of Phaseomics V:16. May 23-26, 2007, Varenna, Italy.
Induced mutants in common bean (Phaseolus vulgaris), and their potential use in nutrition quality breeding and gene discovery. -
Blair, M.W., Porch, T.G., Cichy, K.A., Galeano, C.H., Lariguet, P., Pankurst, C., Broughton, W. 2007. 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.
Cost benefit analysis of the introduction of heat tolerant bean varieties in Atlántida, Honduras. -
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 -
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 -
Porch, T.G., Bernsten, R., Rosas, J.C., Jahn, M. 2007. 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 -
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 -
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 -
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 -
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 -
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 (CI) FOR CIRCUMLINEATED PATTERN -
Luwbia, A., Porch, T.G., Bassett, M.J. 2006. Initial AFLP tagging of the gene (CI) for circumlineated pattern. Bean Improvement Cooperative Annual Report. 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 -
THE MAIZE VIVIPAROUS10/VIVIPAROUS13 LOCUS ENCODES THE CNX1 GENE REQUIRED FOR MOLYBDENUM COFACTOR BIOSYNTHESIS -
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 -
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 -
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 -
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 -
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.
General combining ability effects for reproductive heat tolerance in snap bean -
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 -
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 -
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 -
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.
ARS News Articles
Last Modified: 5/2/2016
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