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United States Department of Agriculture

Agricultural Research Service

LYNDON PORTER

Plant Pathologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Molecular characterization of genetic variation related to pea enation mosaic virus resistance in lentil (Lens culinaris Medik) - (Peer Reviewed Journal)
Jain, S., Porter, L., Kumar, A., Mir, R., Eigenbrode, S., Mcphee, K. 2014. Molecular characterization of genetic variation related to pea enation mosaic virus resistance in lentil (Lens culinaris Medik). Canadian Journal of Plant Science. DOI: 10.4141/CJPS-2014-077.
Release of pea germplasm with Fusarium resistance combined with desirable yield and anti-lodging traits - (Peer Reviewed Journal)
Porter, L., Grunwald, N.J., Kraft, J.M. 2014. Release of pea germplasm with Fusarium resistance combined with desirable yield and anti-lodging traits. Journal of Plant Registrations. 8:191-194.
Inferring outcrossing in the homothallic fungus Sclerotinia sclerotiorum using linkage disequilibrium decay - (Peer Reviewed Journal)
Attanayake, R., Tennekoon, V., Johnson, D., Porter, L., Del Río-Mendoza, L., Jiang, D., Chen, W. 2014. Inferring outcrossing in the homothallic fungus Sclerotinia sclerotiorum using linkage disequilibrium decay. Heredity. DOI: 10.1038/hdy.2014.37.
QTL analysis for Fusarium root rot resistance in snap bean under greenhouse conditions - (Proceedings)
Bello, M.H., Hagerty, C.H., Myers, J.R., Porter, L., Miklas, P.N. 2014. QTL analysis for Fusarium root rot resistance in snap bean under greenhouse conditions. Bean Improvement Cooperative Annual Report. 57: 185-186.
Rhizoctonia spp. dynamics and optimal timing of glyphosate application to cereal cover crops to manage onion stunting in Washington and Oregon - (Abstract Only)
Sharma, P.D., Paulitz, T.C., Porter, L., Eggers, J., Hamm, P.B., Du Toit, L. 2013. Rhizoctonia spp. dynamics and optimal timing of glyphosate application to cereal cover crops to manage onion stunting in Washington and Oregon. Phytopathology. 103:S 2.131.
Finding linked markers to En for efficient selection of pea enation Mosaic Virus resistance in pea - (Peer Reviewed Journal)
Jain, S., Weeden, N., Porter, L., Eigenbrode, S., Mcphee, K. 2013. Finding linked markers to En for efficient selection of pea enation Mosaic Virus resistance in pea. Crop Science. 10.2135/cropsci2013.04.0211.
Efficacy of fungicides to manage onion stunting caused by Rhizoctonia spp. in the Columbia Basin of Oregon and Washington, 2011-2012 - (Peer Reviewed Journal)
Sharma-Poudyal, D., Paulitz, T.C., Porter, L., Eggers, J., Hamm, P.B., Du Toit, L. 2013. Efficacy of fungicides to manage onion stunting caused by Rhizoctonia spp. in the Columbia Basin of Oregon and Washington, 2011-2012 Plant Disease Management Reports. No. 7:V047.
Phosphorous uptake by potato (Solanum tuberosum L.) from biochar amended with anaerobic digested dairy manure effluent - (Peer Reviewed Journal)
Collins, H.P., Porter, L., Streubel, J., Chaves-Cordoba, B. 2013. Phosphorous uptake by potato (Solanum tuberosum L.) from biochar amended with anaerobic digested dairy manure effluent. Agronomy Journal. 105:989-998.
Effect of timing of glyphosate application to a winter wheat cover crop on stunting of spring-sown onions caused by Rhizoctonia spp. in the Columbia Basin of Washington, 2012. - (Peer Reviewed Journal)
Sharma-Poudyal, D., Paulitz, T.C., Porter, L., Eggers, J., Hamm, P.B., Du Toit, L. 2013. Effect of timing of glyphosate application to a winter wheat cover crop on stunting of spring-sown onions caused by Rhizoctonia spp. in the Columbia Basin of Washington, 2012. Plant Disease Management Reports. No. 7:V046.
Yield responses of three onion cultivars to stunting caused by Rhizoctonia spp. in the Columbia Basin of Oregon and Washington, 2012. - (Peer Reviewed Journal)
Sharma-Poudyal, D., Paulitz, T.C., Porter, L., Eggers, J., Hamm, P.B., Du Toit, L. 2013. Yield responses of three onion cultivars to stunting caused by Rhizoctonia spp. in the Columbia Basin of Oregon and Washington, 2012 Plant Disease Management Reports. No. 7:V048.
Characterization of white mold disease avoidance in common bean - (Peer Reviewed Journal)
Miklas, P.N., Porter, L., Kelly, J., Myers, J. 2013. Characterization of white mold disease avoidance in common bean. European Journal of Plant Pathology. 135:525-543.
Genetic and phenotypic diversity and random association of DNA markers of the fungal plant pathogen Sclerotinia sclerotiorum from soil on a fine geographic scale. - (Peer Reviewed Journal)
Attanayake, R., Porter, L., Johnson, D., Chen, W. 2012. Genetic and phenotypic diversity and random association of DNA markers of the fungal plant pathogen Sclerotinia sclerotiorum from soil on a fine geographic scale.. Soil Biology and Biochemistry. 55:28-36.
Pea germplasm with partial resistance to sclerotinia sclerotiorum that extends the time required by the pathogen to infect host tissue - (Peer Reviewed Journal)
Porter, L. 2012. Pea germplasm with partial resistance to sclerotinia sclerotiorum that extends the time required by the pathogen to infect host tissue. Crop Science. 52:1044-1050.
Selection of pea genotypes with partial resistance to Sclerotinia sclerotiorum across a wide range of temperatures and periods of high relative humidity - (Peer Reviewed Journal)
Porter, L. 2012. Selection of pea genotypes with partial resistance to Sclerotinia sclerotiorum across a wide range of temperatures and periods of high relative humidity. Euphytica. 186:671-678.
Complex patterns of speciation in cosmopolitan "rock posy" lichens - an integrative approach to discovering and delimiting fungal species in the lichen-forming rhizoplaca melanophthalma speciescomplex - (Peer Reviewed Journal)
Leavitt, S., Fankhauser, J., Leavitt, D., Porter, L., Johnson, L., St. Clair, L. 2011. Complex patterns of speciation in cosmopolitan "rock posy" lichens - an integrative approach to discovering and delimiting fungal species in the lichen-forming Rhizoplaca melanophthalma speciescomplex. Molecular Phylogenetics and Evolution. 59:587-602.
Identification of tolerance to Fusarium root rot in wild pea germplasm with high levels of partial resistance - (Peer Reviewed Journal)
Porter, L., Coffman, V.A. 2011. Identification of tolerance to Fusarium root rot in wild pea germplasm with high levels of partial resistance. Pisum Genetics. 42:1-6.
New consistent QTL in pea associated with partial resistance to Aphanomyces euteiches in multiple field and controlled environments from France and the United States - (Peer Reviewed Journal)
Hamon, C., Baranger, A., Coyne, C.J., Mcgee, R.J., Le Goff, I., L Anthoene, V., Esnault, R., Riviere, J., Klein, A., Mangin, P., Mcphee, K.E., Roux-Duparque, M., Porter, L., Miteul, H., Lesne, A., Morin, G., Onfroy, C., Moussart, A., Tivoli, B., Delourme, R., Pilet Nayel, M. 2011. New consistent QTL in pea associated with partial resistance to Aphanomyces euteiches in multiple field and controlled environments from France and the United States. Theoretical and Applied Genetics. 123:261-281.
Ascochyta blight of peas - (Peer Reviewed Journal)
Skoglund, L. G., Harveson, R. M., Chen, W., Dugan, F., Schwartz, H. F., Markell, S. G., Porter, L., Burrows, M. L., and Goswami, R. 2011. Ascochyta blight of peas. Plant Health Progress DOI: 10.1094/PHP-2011-0330-01-RS
Genetic and phenotypic diversity of Sclerotinia sclerotiorum on a small geographic scale - (Abstract Only)
Attanyake, R., Porter, L., Johnson, D., Chen, W. 2011. Genetic and phenotypic diversity of Sclerotinia sclerotiorum on a small geographic scale. Fungal Genetics Reports. 58:214.
Rhizoctonia seed, seedling, and wet root rot - (Book / Chapter)
Porter, L. 2011. Rhizoctonia Seed, Seedling, and Wet Root Rot. Compendium of Chickpea and Lentil Diseases and Pests. 28-29.
Seed health and vigor - (Book / Chapter)
Porter, L. 2011. Seed Health and Vigor. Compendium of Chickpea and Lentil Diseases and Pests. 6-7.
Comparative QTL map for white mold resistance in common bean, and characterization of partial resistance in dry bean lines VA19 and I9365-31 - (Peer Reviewed Journal)
Soule, M., Porter, L., Medina, J., Santana, G., Blair, M., Miklas, P.N. 2011. Comparative QTL map for white mold resistance in common bean, and characterization of partial resistance in dry bean lines VA19 and I9365-31. Crop Science. 51:123-139.
QTL may explain a tolerance response to Pea enation mosaic virus in pea - (Abstract Only)
Larsen, R.C., Porter, L., Mcphee, K. 2010. QTL may explain a tolerance response to Pea enation mosaic virus in pea. Proc. Int. Food Legume Res. Conf. 7:326.
First report of root rot of lentil caused by Aphanomyces euteiches in Idaho - (Peer Reviewed Journal)
Vandemark, G.J., Porter, L. 2010. First report of root rot of lentil caused by Aphanomyces euteiches in Idaho. Plant Disease. 94:480.
Assessment of organic seed treatments in a pea disease nursery to manage seed and root rot on peas, 2008. - (Other)
Porter, L. 2009. Assessment of organic seed treatments in a pea disease nursery to manage seed and root rot on peas, 2008.. Plant Disease Management Reports. 3:ST023. Online publication. doi: 10.1094/PDMR03.
Identification of novel sources of resistance to Pea enation mosaic virus in chickpea germplasm. - (Peer Reviewed Journal)
Larsen, R.C., Porter, L. 2010. Identification of novel sources of resistance to Pea enation mosaic virus in chickpea germplasm. Plant Pathology. 59:42–47
Evidence that QTL may be involved in a tolerance response to Pea enation mosaic virus in pea (Pisum sativum L.) - (Abstract Only)
Larsen, R.C., Porter, L., Mcphee, K. 2009. Evidence that QTL may be involved in a tolerance response to Pea enation mosaic virus in pea (Pisum sativum L.). Phytopathology. 99:S69.
Variation in fungicide sensitivity between two field populations of Sclerotinia sclerotiorum - (Abstract Only)
Attanayake, R., Johnson, D., Porter, L., Chen, W. 2009. Variation in fungicide sensitivity between two field populations of Sclerotinia sclerotiorum. Proceedings of the International Sclerotinia Workshop.
Metalaxyl-M-Resistant Pythium Species in Potato Cropping Systems in the Pacific Northwest, USA - (Peer Reviewed Journal)
Porter, L., Hamm, P., David, N., Gieck, S., Miller, J. 2009. Metalaxyl-M-Resistant Pythium Species in Potato Cropping Systems in the Pacific Northwest, USA. Plant Disease. Published online DOI 10. A 1007/s 12230-009-0985-z.
Resistance of Peas to Sclerotinia sclerotiorum in the Pisum Core Collection - (Peer Reviewed Journal)
Porter, L., Hoheisel, G., Coffman, V.A. 2008. Resistance of Peas to Sclerotinia sclerotiorum in the Pisum Core Collection. Plant Pathology. 58:52-60.
Occurrence, aggressiveness, somatic growth and reproduction of phenylamide-resistant and -sensitive oomycete pathogens - (Abstract Only)
Porter, L. 2008. Occurrence, aggressiveness, somatic growth and reproduction of phenylamide-resistant and -sensitive oomycete pathogens. Phytopathology. 98:S186.
Genetic diversity of Sclerotinia sclerotiorum from various crops from the U.S. Pacific Northwest - (Abstract Only)
Chen, W., Porter, L., Johnson, D. 2008. Genetic diversity of Sclerotinia sclerotiorum from various crops from the U.S. Pacific Northwest. Phytopathology. 98: S35.
Genetic diversity of Sclerotinia sclerotiorum from various crops from the US Pacific Northwest - (Abstract Only)
Chen, W., Porter, L., Johnson, D. 2008. Genetic diversity of Sclerotinia sclerotiorum from various crops from the US Pacific Northwest. Phytopathology.78(6):S35
Detection of a pathogen shift among the pectolytic bacterial pathogens of potato in Washington State - (Abstract Only)
Schroeder, B.K., Such, M., Sires, J.L., Porter, L., Johnson, D.A. 2008. Detection of a pathogen shift among the pectolytic bacterial pathogens of potato in Washington State. Phytopathology 98: S142.
Efficacy of seed treatments in reducing seed and root rot of peas in the presence of metalaxyl-resistant Pythium, 2007 - (Other)
Porter, L., Coffman, V.A. 2008. Efficacy of seed treatments in reducing seed and root rot of peas in the presence of metalaxyl-resistant Pythium, 2007. Plant Disease Management Reports (online). Report 2:V154. DOI:10.1094/PDMR02. The American Phytopathological Society, St. Paul, MN.
Assessment of organic seed treatments to manage seed and root rot on peas, 2007 - (Other)
Porter, L., Coffman, V.A. 2008. Assessment of organic seed treatments to manage seed and root rot on peas, 2007. Plant Disease Management Reports (online). Report 2:V153. DOI:10.1094/PDMR02. The American Phytopathological Society, St. Paul, MN.
First Report of Pratylenchus neglectus, Pratylenchus thornei and Paratylenchus hametus nematodes causing yield reduction to dry land peas and lentils in Idaho - (Peer Reviewed Journal)
Riga, E., Porter, L.D., Mojtahedi, H., and Brocke, G.F. 2008. First report of Pratylenchus neglectus, Pratylenchus thornei and Paratylenchus hametus nematodes causing yield reduction to dry land peas and lentils in Idaho. Plant Disease 92: 979.
Registration of W6 26740, W6 26743 and W6 26745 green pea germplasm resistant to Fusarium root rot. Reprint Icon - (Peer Reviewed Journal)
Coyne, C.J., Porter, L., Inglis, D.A., Grunwald, N.J., Mcphee, K.E., Muehlbauer, F.J. 2008. Registration of W6 26740, W6 26743 and W6 26745 Green Pea Germplasm Resistant to Fusarium Root Rot. Journal of Plant Registrations (2008) Vol 2, No. 2, 137-139.
Phosphorous acid for Aphanomyces control - (Popular Publication)
Porter, L. 2008. Phosphorous acid for Aphanomyces control. Pulse Pipeline. 8(14):1.
Effect of partial genetic resistance on efficacy of Topsin fungicide for control of white mold disease in pinto bean - (Abstract Only)
Miklas, P. N., and L. Porter. 2008. Effect of partial genetic resistance on efficacy of Topsin fungicide for control of white mold disease in pinto bean. National Sclerotinia Initiative 6th Annual Meeting, Jan. 23-25, 2008. p. 21.
Identification of QTL conditioning partial resistance to white mold in kidney bean line VA19 derived from an interspecific population - (Abstract Only)
Soule, M., P. N. Miklas, and L. Porter. 2008. Identification of QTL conditioning partial resistance to white mold in kidney bean line VA19 derived from an interspecific population. National Sclerotinia Initiative 6th Annual Meeting, Jan. 23-25, 2008. p. 30.
Prolonged infection periods to Sclerotinia sclerotiorum identified in wild pea germplasm to be breed into pea cultivars to promote disease avoidance - (Abstract Only)
Porter, L., Coffman, V.A. 2008. Prolonged infection periods to Sclerotinia sclerotiorum identified in wild pea germplasm to be breed into pea cultivars to promote disease avoidance. Phytopathology. 98: S127.
Effect of temperature and period of high relative humidity on white mold resistance of selective germplasm from the Pisum core collection - (Abstract Only)
Porter, L., Coffman, V.A. 2008. Effect of temperature and period of high relative humidity on white mold resistance of selective germplasm from the Pisum core collection. ARS Sclerotinia Initiative Annual Meeting. Bloomington, MN January 23-25. p. 26.
Resistance to Sclerotinia White Mold in Processed and Dry Pea Cultivars and in the Pisum Core Collection - (Abstract Only)
Porter, L., Coffman, V.A. 2008. Resistance to Sclerotinia White Mold in Processed and Dry Pea Cultivars and in the Pisum Core Collection. Pisum Genetics (Abstr.) 39: 39.
The Genetic Basis of Fusarium Root Rot Tolerance in the Afghanistan Pea - (Peer Reviewed Journal)
Weeden, N.F., Porter, L. 2008. The Genetic Basis of Fusarium Root Rot Tolerance in the 'Afghanistan' Pea. Pisum Genetics. 39: 35-36.
Identification and Characterization of Partial Resistance to Fusarium root rot in the Pisum Core Collection - (Abstract Only)
Porter, L., Coffman, V.A. 2007. Identification and Characterization of Partial Resistance to Fusarium root rot in the Pisum Core Collection. Integrating legume biology for sustainable agriculture, Book of Abstracts, 6th European Grain Legume Conference, 12-16 November 2007, Lisbon Congress Centre, Portugal p. 158.
Occurrence of mefenoxam resistant isolates of Pythium spp. in the Pacific Northwest - (Abstract Only)
Hamm, P.B., Porter, L., David, N.L., Gieck, S.L., Miller, J.S., Gundersen, B., Inglis, D.A. 2008. Occurrence of mefenoxam resistant isolates of Pythium spp. in the Pacific Northwest. American Journal of Potato Research (Abstr.) 85: 13.
Development of Codominant simple sequence repeat, single nucleotide polymorphism and sequence characterized amplified region markers for the pea root rot pathogen, Aphanomyces euteiches. - (Peer Reviewed Journal)
Akamatsu, H. O., Grünwald, N. J., Chilvers, M. I., Porter, L. D., and Peever, T. L. 2007. Development of codominant simple sequence repeat, single nucleotide polymorphism and sequence characterized amplified region markers for the pea root rot pathogen, Aphanomyces euteiches. Journal of Microbiological Methods 71: 82-86.
Impact of rolling and phosphorous acid on root rot of dry peas in the Pacific Northwest - (Abstract Only)
Porter, L., Coffman, V.A. 2007. Impact of rolling and phosphorous acid on root rot of dry peas in the Pacific Northwest. Phytopathology. 97:S94
Survival of Sporangia of New Clonal Lineages of Phytophthora infestans in Soil under Semiarid Conditions - (Peer Reviewed Journal)
Porter, L.D., Johnson, D.A. 2007. Survival of Sporangia of New Clonal Lineages of Phytophthora infestans in Soil under Semiarid Conditions. Plant Disease. 91: 835-841.
Assessment of Solanum hougasii in Washington and Mexico as a Source of Resistance to Late Blight - (Peer Reviewed Journal)
Inglis, D.A., Brown, C.R., Gundersen, B.G., Porter, L., Miller, J.S., Johnson, D.A., Lozoya-Saldana, H., Haynes, K.G. 2007. Assessment of Solanum hougasii in Washington and Mexico as a Source of Resistance to Late Blight. American Journal of Potato Research. Vol 54: 217-228.
Identification of Resistance to Sclerotinia sclerotiorium in Peas - (Abstract Only)
Porter, L., Hoheisel, G., Coffman, V.A. 2007. Identification of Resistance to Sclerotinia sclerotiorium in Peas. NDSU/USDA-ARS 2007 Sclerotinia Annual Meeting, Bloomington, MN January 17-19, 2007, p. 24.
Segregation of progeny of Solanum tuberosum subsp. andigena for foliar and tuber resistance to late blight. Reprint Icon - (Peer Reviewed Journal)
Novy, R.G., Miller, J.S., Porter, L., Whitworth, J.L., Lozoya-Saldana, H. 2007. Segregation of progeny of Solanum tuberosum subsp. andigena for foliar and tuber resistance to late blight.. American Journal of Potato Research. 84(1): 106-107
Soil Acidity and Lime Responses in the Pacific Nothwest - (Abstract Only)
Carter, P., Brown, T., Porter, L., Huggins, D.R., Wysocki, D., Koening, R. 2006. SOIL ACIDITY AND LIME RESPONSES IN THE PACIFIC NOTHWEST. ASA-CSSA-SSSA Annual Meeting Abstracts. Published online. http:a-c-s.confex.com/crops/2006am/techprogram/p23914.htm.
Crop and Weed Hosts of the Pink Rot Pathogen. - (Abstract Only)
Porter, L.D., Miller, J.S., Atallah, Z., and Stevenson, W. 2007. Crop and weed hosts of the pink rot pathogen. American Journal of Potato Research 84: 111-112.
Identification of Novel Sources of White Mold Resistance in Pea. - (Abstract Only)
Porter, L., Hoheisel, G., Coffman, V.A. 2006. Identification of novel sources of white mold resistance in pea. Phytopathology. 2006 Pacific Division Meeting Abstracts June 13-16, 2006 - Boise, Idaho. Published online: http://www.apsnet.org/meetings/div/pc06abs.asp.
Occurance of Plant Pathogenic Nematodes in Green Pea Fields in the Columbia Basin. - (Abstract Only)
David, N.L., Hamm, P.B., Ingham, R.E., Merrifield, K.E., Porter, L.D. 2006. Occurance of plant pathogenic nematodes in green pea fields in the Columbia Basin. Published on-line at http://www.apsnet.org/meetings/div/pc06abs.asp.
In vitro somatic growth and reproduction of phenylamide-resistant and -sensitive isolates of Phytophthora erythroseptica from infected potato tubers in Idaho. - (Peer Reviewed Journal)
Porter, L.D., Miller, J.S., Nolte, P., Price, W.J. 2007. In vitro somatic growth and reproduction of phenylamide-resistant and -sensitive isolates of Phytophthora erythroseptica from infected potato tubers in Idaho. Plant Pathology. 56: 492-499.
Effects of Soil-Applied Late Blight Foliar Fungicides on Infection of Potato Tubers by Phytophthora Infestans - (Peer Reviewed Journal)
Porter, L., Cummings, T.F., Johnson, D.A. 2006. Effects of soil-applied late blight foliar fungicides on infection of potato tubers by Phytophthora infestans. Plant Disease. 90:964-968.
Evaluation of Seed, in-Furrow, and Foliar Treatments for Control of Root Rot of Peas 2005 - (Research Notes)
Gundersen, B., Inglis, D., Porter, L. 2006. Evaluation of seed, in-furrow, and foliar treatments for control of root rot of peas 2005. Fungicide and Nematocide Tests (online). Report 61:V130/ DOI:10.1094/FN61. The American Phytopathological Society, St. Paul, MN.
Post Harvest Applications of Zoxamide and Phosphite for Control of Potato Tuber Rots Caused by Oomycetes - (Peer Reviewed Journal)
Miller, J.S., Olsen, N., Woodell, L., Porter, L., Clayson, S. 2006. Post harvest applications of zoxamide and phosphite for control of potato tuber rots caused by oomycetes. American Journal of Potato Research 83:269-278.
Identification and Use of Solanum Tuberosum Subsp. Andigena Clones Having Both Foliar and Tuber Resistance to Late Blight Reprint Icon - (Peer Reviewed Journal)
Novy, R.G., Miller, J.S., Porter, L., Yilma, S. 2006. Identification and use of solanum tuberosum subsp. andigena clones having both foliar and tuber resistance to late blight. American Journal of Potato Research.83(1):126-127
Fitness and Aggressiveness of Mefenoxam-Resistant and -Sensitive Isolates of Phytophthora Erythroseptica Infecting Potato - (Abstract Only)
Porter, L., Miller, J.S., Nolte, P. 2005. Fitness and aggressiveness of mefenoxam-resistant and -sensitive isolates of phytophthora erythroseptica infecting potato. Phytopathology. 95:S84.
Use of Phosphorous Acid to Manage Common Root Rot in Processing Peas - (Abstract Only)
Porter, L. 2005. Use of phosphorous acid to manage common root rot in processing peas. Phytopathology. 96:S93.
Last Modified: 6/9/2008
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