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United States Department of Agriculture

Agricultural Research Service

Robert T. Lartey

Research Plant Pathologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
First Report of Rhizoctonia spp. causing a root rot of the invasive rangeland weed Lepidium draba in North America. - (Peer Reviewed Journal)
Caesar, A.J., Lartey, R.T., Caesar, T., Gaskin, J.F. 2014. First report of Rhizoctonia spp. causing a root rot of the invasive rangeland weed Lepidium draba in North America. Plant Disease Notes. 98(9):1278. DOI: 10.1094/PDIS-03-14-0300-PDN.
Impact of interaction of Cercospora beticola and Pyrenophora teres on their potential for survival - (Abstract Only) - (30-May-13)
Investigation of Peniophora nuda for biological control of Cercospora beticola and Pyrenophora teres - (Abstract Only) - (30-May-13)
Effects of agaricus lilaceps fairy rings on soil aggregation and microbial community structure in relation to growth stimulation of western wheatgrass (pascopyrum smithii) in Eastern Montana rangeland Reprint Icon - (Peer Reviewed Journal)
Caesar, T., Espeland, E.K., Caesar, A.J., Sainju, U.M., Lartey, R.T., Gaskin, J.F. 2013. Effects of agaricus lilaceps fairy rings on soil aggregation and microbial community structure in relation to growth stimulation of western wheatgrass (pascopyrum smithii) in Eastern Montana rangeland. Microbial Ecology. 66(1): 120-131.
First report of spot form net blotch caused by Pyrenophora teres f. maculata on barley in the Mon-Dak area of the US - (Peer Reviewed Journal)
Lartey, R.T., Caesar, T., Caesar, A.J., Sainju, U.M., Evans, R.G. 2013. First report of spot form net blotch caused by Pyrenophora teres f. maculata on barley in the Mon-Dak area of the US. Plant Disease. 97(1): 143-143.
First report of Pilidium concavum causing root lesions of meadow hawkweed in France - (Peer Reviewed Journal)
Caesar, A.J., Lartey, R.T., Caesar, T. 2012. Disease Notes: First report of Pilidium concavum causing root lesions of meadow hawkweed in France. Plant Disease. 96(12):1830-1830.
Dryland soil nitrogen cycling influenced by tillage, crop rotation, and cultural practice Reprint Icon - (Peer Reviewed Journal)
Sainju, U.M., Lenssen, A.W., Caesar, T., Jabro, J.D., Lartey, R.T., Evans, R.G., Allen, B.L. 2012. Dryland soil nitrogen cycling influenced by tillage, crop rotation, and cultural practice. Nutrient Cycling in Agroecosystems. 93(3):309-322.
Tillage, crop rotation, and cultural practice effects on dryland soil carbon fractions Reprint Icon - (Peer Reviewed Journal)
Sainju, U.M., Lenssen, A.W., Caesar, T., Jabro, J.D., Lartey, R.T., Evans, R.G., Allen, B.L. 2012. Tillage, crop rotation, and cultural practice effects on dryland soil carbon fractions. Open Journal of Soil Science. 2(3):242-255.
Effects of biodegradable plastics on the predominant culturable bacteria associated with soil aggregate formation and stability after 9 months of incubation in natural soil - (Abstract Only) - (04-Apr-12)
Occurrence of spot-form net blotch of barley in the Mon-Dak area of the US - (Abstract Only)
Lartey, R.T., Evans, R.G., Caesar, T., Caesar, A.J. 2012. Occurrence of spot-form net blotch of barley in the Mon-Dak area of the US. American Phytopathological Society Annual Meeting. 102:S4.67.
Structural analysis of the inhibition of Pyrenophora teres by Laetisaria arvalis - (Proceedings)
Ghoshroy, K., Cisneros, D., Lartey, R.T., Ghoshroy, S. 2012. Structural analysis of the inhibition of Pyrenophora teres by Laetisaria arvalis. Proceedings of Microscopy & Microanalysis 2012 Meeting, Phoenix, Arizona. July 29 - August 2, 2012. Microscopy and Microanalysis. 18(S2): 168-169.
First report of a root and crown disease of the invasive weed Lepidium draba caused by Phoma macrostoma - (Peer Reviewed Journal)
Caesar, A.J., Lartey, R.T., Caesar, T. 2012. First report of a root and crown disease of the invasive weed Lepidium draba caused by Phoma macrostoma. Plant Disease. 96(1):145.
Detection of Pyrenophora teres in conidia and barley seed by a rapid PCR technique - (Abstract Only)
Lartey, R.T., Caesar, T., Ghoshroy, K., Evans, R.G., Caesar, A.J., Hanson, S.L., Sainju, U.M. 2012. Detection of Pyrenophora teres in condiia and barley seed by a rapid PCR technique. American Phytopathological Society Abstracts. 101:S98.
Basis for inhibition of Pyrenophora teres by Laetisaria arvalis, a scanning and transmission electron microscopic study - (Abstract Only)
Lartey, R.T., Ghoshroy, K., Caesar, T., Evans, R.G., Ghoshroy, S. 2012. Basis for inhibition of Pyrenophora teres by Laetisaria arvalis, a scanning and transmission electron microscopic study. American Phytopathological Society Abstracts. 101:S98.
Effects of Lead (Pb) on the Systemic Movement of RNA Viruses in Tobacco (Nicotiana tabacum var. Turkish) Reprint Icon - (Peer Reviewed Journal)
Alkhatib, R., Creamer, R., Lartey, R.T., Ghoshroy, S. 2011. Effect of lead (Pb) on the systemic movement of RNA viruses in tobacco (Nicotiana tabacum var. Turkish). Plant Cell Reports. 30:1427–1434.
First report of anthracnose stem Canker of the invasive perennial weed Lepidium draba caused by Colletotrichum higginsianum in Europe - (Peer Reviewed Journal)
Caesar, A.J., Caesar, T., Lartey, R.T. 2010. First report of anthracnose stem Canker of the invasive perennial weed Lepidium draba caused by Colletotrichum higginsianum in Europe. Plant Disease. 94:1166-1166.
Polymerase chain reaction protocol for detection of Pyrenophora teres in natural field soils - (Abstract Only) - (18-May-10)
Direct Polymerase Chain Reaction-Based Detection of Cercospora Beticola in Field Soils Reprint Icon - (Peer Reviewed Journal)
Lartey, R.T., Caesar, T., Lenssen, A.W., Eckhoff, J., Hanson, S.L., Evans, R.G. 2010. Direct Polymerase Chain Reaction-Based Detection of Cercospora Beticola in Field Soils. Plant Disease. 94(9):1100-1104.
Detection of Pyrenophora teres in infested plant tissues by PCR - (Abstract Only)
Lartey, R.T., Caesar, T., Caesar, A.J., Hanson, S.L., Sainju, U.M. 2010. Detection of Pyrenophora teres in infested plant tissues by PCR. American Phytopathological Society Annual Meeting. 100(6)S68.
Dryland residue and soil orgranic matter as influenced by tillage, crop rotation, and cultural practice Reprint Icon - (Peer Reviewed Journal)
Sainju, U.M., Lenssen, A.W., Caesar, T., Jabro, J.D., Lartey, R.T., Evans, R.G., Allen, B.L. 2011. Dryland residue and soil orgranic matter as influenced by tillage, crop rotation, and cultural practice. Plant and Soil Journal. 338:27-41.
Management Strategies to Improve Yield and Nitrogen Use of Spring Wheat and Field Pea in the Semi-Arid Northern Great Plains USA - (Proceedings) - (01-Mar-10)
First Report of a Root and Crown Disease caused by Rhizoctonia solani on Centaurea maculosa in Russia Reprint Icon - (Peer Reviewed Journal)
Caesar, A.J., Lartey, R.T., Caesar, T. 2009. First Report of a Root and Crown Disease caused by Rhizoctonia solani on Centaurea maculosa in Russia. Plant Disease. 93(12): 1350-1350.
First Report of a Leaf Spot Caused by Alternaria brassicae on the Invasive Weed Lepidium draba in North America Reprint Icon - (Peer Reviewed Journal)
Caesar, A.J., Lartey, R.T. 2009. First Report of a Leaf Spot Caused by Alternaria brassicae on the Invasive Weed Lepidium draba in North America. Plant Disease. 93(8):846-846.
Effects of Basidiomycete Laccase on Cercosporin Reprint Icon - (Peer Reviewed Journal)
Caesar, T., Lartey, R.T., Solberg Rodier, L.L., Caesar, A.J. 2009. Effects of Basidiomycete laccase on Cercosporin. Journal of Plant Pathology. 91(2):347-355.
Investigation of Host Range, Infectivity, and Spread of Turnip Vein Clearing Virus and a Possible Mechanism for Non-Seed Transmission - (Abstract Only)
Ghoshroy, K., Kozlin, K.D., Ghoshroy, S., Lartey, R.T., Szoke, K.A., Szoke, K.B. 2009. Investigation of Host Range, Infectivity, and Spread of Turnip Vein Clearing Virus and a Possible Mechanism for Non-Seed Transmission. Southeastern Biology. 56(3): 350.
Preliminary evaluation of Laetisaria arvalis as chemical seed treatment alternative in sugarbeet Reprint Icon - (Abstract Only)
Lartey, R.T., Lenssen, A.W., Caesar, T., Eckhoff, J., Hanson, S.L. 2009. Preliminary evaluation of Laetisaria arvalis as chemical seed treatment alternative in sugarbeet. 35th General Meeting of American Society of Sugar Beet Technologists. 1(35):48.
First report of leaf spot caused by Cercospora bizzozeriana on Lepidium draba in the United States Reprint Icon - (Peer Reviewed Journal)
Caesar, A.J., Lartey, R.T., Berner, D.K., Souissi, T. 2009. First report of leaf spot caused by Cercospora bizzozeriana on Lepidium draba in the United States. Plant Disease. 93(1):108-108.
First report of crown gall caused by Agrobacterium tumefaciens on Euphorbia esula/virgata in Europe Reprint Icon - (Peer Reviewed Journal)
Caesar, A.J., Lartey, R.T. 2008. First report of crown gall caused by Agrobacterium tumefaciens on Euphorbia esula/virgata in Europe. Plant Disease 92(12):1710-1710.
Relations of cercospora beticola with host plants and fungal antagonists - (Book / Chapter)
Lartey, R.T., Ghoshroy, S., Caesar, T., Lenssen, A.W., Evans, R.G. 2010. Chapter 7: Relations of cercospora beticola with host plants and fungal antagonists. In: Lartey R.T., Weiland, J.J., Panella, L., Crous, P.W., and Windels, C.E., editors. Cercospora Leaf Spot of Sugar Beet and Related Species. St. Paul, MN: American Phytopathological Society Press. p. 77-90.
Brief History of Cercospora Leaf Spot of Sugar Beet - (Book / Chapter)
Lartey, R.T., Weiland, J.J., Panella, L.W. 2010. Chapter 1: Brief History of Cercospora Leaf Spot of Sugar Beet. In: Lartey R.T., Weiland, J.J., Panella, L., Crous, P.W., and Windels, C.E., editors. Cercospora Leaf Spot of Sugar Beet and Related Species. St. Paul, MN: American Phytopathological Society Press. p. 1-5.
Elisa and Pcr Survey for Cercospora Beticola in Field Soils from Three Upper Midwest States of the United States - (Abstract Only)
Lartey, R.T., Caesar, T., Hanson, S.L., Evans, R.G. 2008. Elisa and pcr survey for cercospora beticola in field soils from three upper midwest states of the united states. International Congress of Plant Pathology Abstracts and Proceedings. 98(6):87.
Crop Diversification and Management System Influence Yield and Weeds in the Northern Great Plains - (Abstract Only) - (24-Mar-08)
Association of selective deposition of (1-3)-B-glucan in floral tissues with restricted movement of turnip vein-clearing virus in Arabidopsis: A possible mechanism for non-seed transmission Reprint Icon - (Peer Reviewed Journal)
Lartey, R.T., Ghoshroy, K., Ghoshroy, S. 2008. Association of selective deposition of (1-3)-B-glucan in floral tissues with restricted movement of turnip vein-clearing virus in Arabidopsis: A possible mechanism for non-seed transmission. Plant Pathology. 7(2):120-130.
Examination of field soils in the Northern Rocky Mountain Region for Cercospora beticola by ELISA and PCR - (Abstract Only)
Lartey, R.T., Caesar, T., Allen, B.L., Hanson, S.L., Stevens, W.B., Evans, R.G. 2008. Examination of field soils in the Northern Rocky Mountain Region for Cercospora beticola by ELISA and PCR. Journal of Plant Pathology. 90(2):S2.81-S2.465.
Farming Systems Design: Methodologies for integrated Analyses of Farming Systems - (Proceedings)
Lenssen, A.W., Sainju, U.M., Caesar, T., Allen, B.L., Lartey, R.T. 2007. Farming Systems Design: Methodologies for integrated Analyses of Farming Systems. Proceedings of the European Society of Agronomy and American Society of Agronomy. Farming Systems Design Conference, Catania, Italy, September 10-12, 2007. 2:37-38.
Detection of cercospora beticola by PCR in amended and naturally infested field soil Reprint Icon - (Proceedings)
Lartey, R.T., Caesar, T., Hanson, S.L., Iversen, W.M., Evans, R.G. 2007. Detection of cercospora beticola by PCR in amended and naturally infested field soil. In: Proceedings of the 34th Biennial Meeting of the American Society of Sugarbeet Technologists, February 28-Mark 3, 2007, Salt Lake City, Utah. 34: 211-216.
Survey of field soils for cercospora beticola by PCR and ELISA Reprint Icon - (Proceedings)
Lartey, R.T., Caesar, T., Iversen, W.M., Hanson, S.L., Evans, R.G. 2007. Survey of field soils for cercospora beticola by PCR and ELISA. In: Proceedings of the 34th Biennial Meeting of the American Society of Sugarbeet Technologists, February 28-Mark 3, 2007, Salt Lake City, Utah. 34: 164-168.
Enzyme-linked immunosorbent assay for cercospora beticola in soil Reprint Icon - (Peer Reviewed Journal)
Caesar, T., Lartey, R.T., Shelver, W.L. 2007. Enzyme-linked immunosorbent assay for cercospora beticola in soil. Journal of Sugarbeet Research. 44(1-2):51-70.
Enzyme-linked immunosorbent assay for Cercospora beticola in soil Reprint Icon - (Peer Reviewed Journal)
Caesar, T., Lartey, R.T., Shelver, W.L. 2007. Enzyme-linked immunosorbent assay for Cercospora beticola in soil. Journal of Sugar Beet Research. 44(1-2): 51-70.
Comparative Structural Study of Leaf Spot Disease of Safflower and Sugar Beet by Cercospora Beticola Reprint Icon - (Peer Reviewed Journal)
Lartey, R.T., Lenssen, A.W., Evans, R.G., Ghoshroy, S. 2007. Comparative structural study of leaf spot disease of safflower and sugar beet by cercospora beticola. Plant Pathology Journal. 6(1):37-43.
Detection of Cercospora beticola by PCR in Amended and Naturally Infested Field Soil - (Abstract Only)
Lartey, R.T., Caesar, T., Hanson, S.L., Iversen, W.M., Evans, R.G. 2006. Detection of Cercospora beticola by PCR in Amended and Naturally Infested Field Soil. American Society of Sugar Beet Technologists, February 28-March 3, 2007, Salt Lake City, Utah. p. 37.
Survey of Field Soils for Cercospora beticola by PCR and ELISA - (Abstract Only)
Lartey, R.T., Caesar, T., Iversen, W.M., Hanson, S.L., Evans, R.G. Survey of Field Soils for Cercospora beticola by PCR and ELISA. American Society of Sugar Beet Technologists, February 28-March 3, 2007, Salt Lake City, Utah. p. 29.
Biological Relations of Cercospora Beticola with Host Plants and Fungal Antagonists - (Abstract Only)
Lartey, R.T., Ghoshroy, S., Caesar, T., Evans, R.G., Lenssen, A.W. 2006. Biological relations of cercospora beticola with host plants and fungal antagonists [abstract]. Joint Meeting of APS, CPS, and MSA. p. 140.
Leaf Spot of Cercospora Beticola: a New Disease of Safflower - (Abstract Only)
Lartey, R.T., Caesar, T., Ghoshroy, S., Lenssen, A.W., Evans, R.G. 2007. Leaf spot of cercospora beticola: a new disease of safflower. American Phytopathological Society Abstracts. 97(7):169.
Dynamics of Soil Flora and Fauna in Biological Control of Soil Inhabiting Plant Pathogens Reprint Icon - (Peer Reviewed Journal)
Lartey, R.T. 2006. Dynamics of soil flora and fauna in biological control of soil inhabiting plant pathogens. Plant Pathology Journal. 5(2):125-142.
A Light and Scanning Electron Microscopic Study of Progression of Cercospora Beticola Infection in Sugar Beet and Safflower - (Abstract Only)
Lartey, R.T., Kersey, S., Ghoshroy, S. 2005. A light and scanning electron microscopic study of progression of cercospora beticola infection in sugar beet and safflower. In: Book of Abstracts, 2005. XII International Congress on Molecular Plant-Microbe Interactions, December 14-19, 2005, Merida, Mexico. Abstract P4-10, Page 129.
Safflower: A new host of Cercospora beticola Reprint Icon - (Peer Reviewed Journal)
Lartey, R.T., Caesar, T., Caesar, A.J., Shelver, W.L., Sol, N.I., Bergman, J.W. 2005. Safflower: A new host of cercospora beticola. Plant Disease. 89(8):797-801.
Additional Evidence of Safflower (Carthamus Tinctorius) As An Alternate Host to Cercospora Beticola Reprint Icon - (Proceedings)
Lartey, R.T., Caesar, T., Sol, N.I., Goshroy, S. 2005. Additional evidence of safflower (carthamus tinctorius) as an alternate host to cercospora beticola. In: Proceedings from the 33rd Biennial Meeting Agriculture. American Society of Sugarbeet Technologists, March 2-5, 2005, Palm Springs, California. p. 144-150.
Additional Evidence of Safflower (Carthamus Tinctorius) As An Alternate Host to Cercospora Beticola - (Abstract Only)
Lartey, R.T., Sol, N.I., Ghoshroy, S. 2005. Additional evidence of safflower (carthamus tinctorius) as an alternate host to cercospora beticola. American Society of Sugarbeet Technologists. p.19-20
Emerging Concepts in Plant Health Management - (Book / Chapter)
Lartey, R.T., Caesar, A.J. 2004. Emerging Concepts in Plant Health Management. In: Robert T. Lartey and Anthony J Caesar, editors. Research Signpost. pp. 300.
Safflower (Carthamus Tinctorius L.): An Alternate Host of Cercospora Beticola - (Abstract Only)
Lartey, R.T., Caesar, T., Caesar, A.J., Shelver, W.L., Sol, N.I. 2004. Safflower: an alternate host of cercospora beticola. Phytopathology. 94(6):S57.
Novel Considerations in Biological Control of Plant Pathogens - (Book / Chapter)
Lartey, R.T., Conway, K.E. 2004. Novel considerations in biological control of plant pathogens. In: Lartey, R.T., Caesar, A.J., editors. Emerging Concepts in Plant Health Management. Research Signpost. p. 141-157.
A Pcr Protocol for Rapid Detection of Cercospora Beticola in Infected Sugar Beet Tissues - (Peer Reviewed Journal)
LARTEY, R.T., WEILAND, J.J., CAESAR, T., BUCKLIN COMISKEY, S.A. A PCR protocol for rapid detection of Cercospora beticola in infected sugar beet tissues. JOURNAL OF SUGARBEET RESEARCH. 2003. V. 40 P. 1-10.
Inhibition of Turnip Vein-Clearing Virus Movement in Seeds of Infected Arabidopsis Thaliana Plant; a Microscopic Study - (Abstract Only)
Gallegos, L., Fambrough, K., Lartey, R.T., Ghoshroy, S. 2002. Inhibition of turnip vein-clearing virus movement in seeds of infected arabidopsis thaliana plant; a microscopic study. Microscopy and Microanalysis. 8(SO2):972-973.
Inhibition of Turnip Vein Clearing Virus Movement in Seeds of Infected Arabidopsis Thaliana Plant; a Microscopic Study - (Proceedings)
Gallegos, L., Fambrough, K., Lartey, R.T., Ghoshroy, S. 2002. Inhibition of turnip vein clearing virus movement in seeds of infected arabidopsis thaliana plant; a microscopic study. Microscopy and Microanalysis. 8(Suppl. 2):1598-1599.
A Pcr Protocol for Rapid Detection of Cercospora Beticola in Infected Sugar Beet Tissues - (Abstract Only)
LARTEY, R.T., BUCKLIN COMISKEY, S.A. A PCR protocol for rapid detection of Cercospora beticola in infected sugar beet tissues. PHYTOPATHOLOGY. 2002. V. 12. P. S45.
Isolate-Specific Synergy in Deisease Symptoms Between Cauliflower Mosaic and Turnip-Clearing Viruses - (Peer Reviewed Journal)
Hii, G., Pennigton, R., Hartson, S., Taylor, C., Lartey, R.T., Williams, A., Lewis, D., Melcher, U. 2002. Isolate-specific synergy in deisease symptoms between cauliflower mosaic and turnip-clearing viruses. Archives of Virology. July 2002, 147(7):1371-1384.
Last Modified: 6/5/2014