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United States Department of Agriculture

Agricultural Research Service

Anthony J. Caesar (Tony)

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.
Soil-aggregating bacterial community as affected by irrigation, tillage, and cropping system in the Northern Great Plains - (Peer Reviewed Journal) - (28-Mar-14)
Soil-aggregating bacterial community as affected by irrigation, tillage, and cropping system in the Northern Great Plains Reprint Icon - (Peer Reviewed Journal)
Caesar, T., Stevens, W.B., Sainju, U.M., Caesar, A.J., West, M.S., Gaskin, J.F. 2014. Soil-aggregating bacterial community as affected by irrigation, tillage, and cropping system in the Northern Great Plains. Soil Science. 179(1):11-20.
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.
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.
Bi-fluorescence imaging for estimating accurately the nuclear condition of Rhizoctonia spp. Reprint Icon - (Peer Reviewed Journal)
Guermache, F., Rodier-Goud, M., Caesar, A.J., Héraud, C., Claude-Bon, M. 2012. Bi-fluorescence imaging for estimating accurately the nuclear condition of Rhizoctonia spp.. Letters in Applied Microbiology. 54(6): 568–571.
Bi-fluorescence imaging for estimating accurately the nuclear condition of Rhizoctonia spp. - (Peer Reviewed Journal)
Guermache, F., Rodier-Gaud, M., Caesar, A.J., Heraud, C., Bon, M. 2012. Bi-fluorescence imaging for estimating accurately the nuclear condition of Rhizoctonia spp.. Letters in Applied Microbiology. 54, 568-571. doi:10.1111/j.1472-765X.2012.03245.x.
Antagonism or synergism between two natural enemies of an invasive Brassicaceae - (Proceedings)
Bon, M., Caesar, A.J. 2012. Antagonism or synergism between two natural enemies of an invasive Brassicaceae? Ecology International Congress Proceedings. 7th 'Réunion du Réseau Ecologie des Interactions Durables' February 6-8 2012, Rennes, France. p.46.
Comparison of soil carbon dioxide flux measurements by static and portable chambers in various management practices Reprint Icon - (Peer Reviewed Journal)
Sainju, U.M., Caesar, T., Caesar, A.J. 2011. Comparison of soil carbon dioxide flux measurements by static and portable chambers in various management practices. Soil and Tillage Research. 118:123-131.
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.
Real-time PCR assay for detection of Rhizoctonia sp. in insect galled roots of Lepidium draba sp draba - (Other)
Bon, M., Guermache, F., Caesar, A.J. 2011. Real-time PCR assay for detection of Rhizoctonia sp. in insect galled roots of Lepidium draba sp draba. Genbank. Genbank Accession numbers HQ738653 to HQ738654.
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)
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.
The Importance of Intertrophic Interactions in Biological Weed Control Reprint Icon - (Peer Reviewed Journal)
Caesar, A.J. 2011. The Importance of Intertrophic Interactions in Biological Weed Control. Pest Technology. 5(Special Issue 1): 28-33.
Effects of tillage on microbial populations associated to soil aggregates under dryland spring wheat system Reprint Icon - (Peer Reviewed Journal)
Caesar, T., Lenssen, A.W., Caesar, A.J., Sainju, U.M., Gaskin, J.F. 2010. Effects of tillage on microbial populations associated to soil aggregates under dryland spring wheat system. European Journal of Soil Biology. 46:119-127.
The plant pathology of native plant restoration Reprint Icon - (Peer Reviewed Journal)
Caesar, A.J., Caesar, T., Sainju, U.M. 2010. The plant pathology of native plant restoration. Environmental Research. 4(3/4): 403-414.
Pathogenicity, characterization and comparative virulence of Rhizoctonia spp. from insect-galled roots of Lepidium draba in Europe Reprint Icon - (Peer Reviewed Journal)
Caesar, A.J., Caesar, T., Maathuis, M. 2010. Pathogenicity, characterization and comparative virulence of Rhizoctonia spp. from insect-galled roots of Lepidium draba in Europe. Biological Control. 52(2): 140-144.
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.
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.
First Report of Crown Gall Caused by Agrobacterium sp. on Diffuse Knapweed (Centaurea diffusa) Reprint Icon - (Peer Reviewed Journal)
Eskandari, F., Bruckart, W.L., Schaad, N.W., Sechler, A.J., Postnikova, E.N., Caesar, A.J., Coombs, E. 2008. First Report of Crown Gall Caused by Agrobacterium sp. on Diffuse Knapweed (Centaurea diffusa). Plant Disease. 92:487.
Rhizosphere bacterial communities associated with insect root herbivory of an invasive plant, Euphorbia esula/virgata - (Proceedings)
Caesar, A.J., Caesar, T. 2008. Rhizosphere bacterial communities associated with insect root herbivory of an invasive plant, Euphorbia esula/virgata. In: Sforza, R., Bon, M.C., Evans, H.C., Hatcher, P.E., Hinz, H.L. and Rector, B.G., editors. Proceedings of the XII International Symposium on Biological Control of Weeds, April 22-27, 2007, Montpellier, France. p. 13-19.
Biomass reduction of E. esula/virgata by insect/bacterial combinations - (Proceedings)
Caesar, A.J., Kremer, R.J. 2008. Biomass reduction of E. esula/virgata by insect/bacterial combinations. In: Sforza, R., Bon, M.C., Evans, H.C., Hatcher, P.E., Hinz, H.L. and Rector, B.G., editors. Proceedings of the XII International Symposium on Biological Control of Weeds, April 22-27, 2007, Montpellier, France. p. 7-12.
Ecology and function of culturable microbes in soil aggregation - (Book / Chapter)
Caesar, T., Caesar, A.J., Gaskin, J.F., Sainju, U.M., Stevens, W.B. 2008. Ecology and function of culturable microbes in soil aggregation. In: Tian-Xiao Liu, editor. Soil Ecology Research Developments. Hauppauge, NY:2007 Science Publishers, Inc. p. 121-138.
Taxonomic diversity of predominant culturable bacteria associated with microaggregates from two different agroecosystems and their ability to aggregate soil in vitro Reprint Icon - (Peer Reviewed Journal)
Caesar, T., Caesar, A.J., Gaskin, J.F., Sainju, U.M., Busscher, W.J. 2007. Taxonomic diversity of predominant culturable bacteria associated with microaggregates from two different agroecosystems and their ability to aggregate soil in vitro. Applied Soil Ecology. 36(1):10–21.
Taxonomic diversity of predominant bacteria associated with microaggregates from two different agroecosystems and their ability to aggregate soil in vitro - (Abstract Only) - (20-Jun-06)
Soilborne fungi associated with root galls of Lepidium draba caused by Ceutorhynchus spp - (Abstract Only) - (08-May-06)
Rhizosphere bacterial communities associated with insect root herbivory of an invasive plant, Euphorbia esula/virgata - (Abstract Only) - (08-May-06)
Uromyces Scutellatus as a keystone species affecting Euphorbia spp. in Europe as shown by effects on density in the field Reprint Icon - (Peer Reviewed Journal)
Caesar, A.J. 2006. Uromyces Scutellatus as a keystone species affecting Euphorbia spp. in Europe as shown by effects on density in the field. Biocontrol Science and Technology. 16:1079-1086.
The effect of tillage on decomposing mulch, Verticillium, the microbial community, soil nutrients, and soil aggregation - (Proceedings)
Holtz, B., Mckenry, M., Caesar, T., Caesar, A.J. 2006. The effect of tillage on decomposing mulch, Verticillium, the microbial community, soil nutrients, and soil aggregation. California Pistachio Industry Annual Report. p. 103.
The effect of tillage on decomposing mulch, Verticillium, the microbial community, soil nutrients, and soil aggregation - (Proceedings)
Holtz, B., Hoffman, E., Caesar, T., Caesar, A.J. 2006. The effect of tillage on decomposing mulch, Verticillium, the microbial community, soil nutrients, and soil aggregation. California Pistachio Commission Production Research Report. p. 91-95.
Wood chipping almond brush to reduce air pollution and to study the effect of wood chips on harvest, soil nutrients, soil aggregation, and the microbial community - (Proceedings)
Holtz, B., Mckenry, M., Caesar, T., Caesar, A.J. 2005. Wood chipping almond brush to reduce air pollution and to study the effect of wood chips on harvest, soil nutrients, soil aggregation, and the microbial community. 33rd Almond Industry Conference Proceedings. Almond Board of California, December 6-7, 2006 in Modesto, California. 33:225-234.
Melding Ecology, Weed Biocontrol and Plant Microbial Ecology Can Inform Improved Practices in Invasive Plant Species Biocontrol Reprint Icon - (Peer Reviewed Journal)
Caesar, A.J. 2005. Melding ecology, weed biocontrol and plant microbial ecology can inform improved practices in invasive plant species biocontrol. Biological Control. 35(3):240–246.
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.
Soilborne Microorganisms of Euphorbia Are Potential Biological Control Agents of the Invasive Weed Leafy Spurge - (Peer Reviewed Journal)
Kremer, R.J., Caesar, A.J., Souissi, T. 2006. Soilborne microorganisms of euphorbia are potential biological control agents of the invasive weed leafy spurge. Applied Soil Ecology. 32(1):27-37.
Benefits of Chipping Almond Brush - (Proceedings)
Holtz, B., Mckenry, M., Caesar, T., Caesar, A.J. 2004. Benefits of Chipping Almond Brush. 32nd Almond Industry Conference Proceedings. 32:236-241.
Insect Herbivory Stimulates Allelopathic Exudation by An Invasive Plant and the Suppression of Natives Reprint Icon - (Peer Reviewed Journal)
Thelen, G.C., Vivanco, J.M., Newingham, B., Good, W., Bais, H.P., Landres, P., Caesar, A.J., Callaway, R.M. 2004. Insect herbivory stimulates allelopathic exudation by an invasive plant and the suppression of natives. Ecological Applications. 14:209-217
Isolation, Identification, and Characterization of Soil Aggregating Bacteria in Soil Microaggregates - (Abstract Only) - (15-Jul-04)
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.
Bacterial Communities Associated with a Flea Beetle Used for the Biological Control of the Perennial Weed Euphorbia Esula/virgata - (Proceedings)
Caesar, A.J., Kremer, R.J. 2004. Bacterial communities associated with a flea beetle used for the biological control of the perennial weed Euphorbia esula/virgata. In: Cullen, J. M. (Ed.), Proceedings of the XI International Symposium on Biological Control of Weeds, CSIRO, Canberra. pp. 496-499.
Insect-Plant Pathogen Synergisms for the Biological Control of Rangeland Weeds - (Proceedings)
Caesar, A. J. 2004. Insect-plant pathogen synergisms for the biological control of rangeland weeds In: Cullen, J. M. (Ed.), Proceedings of the XI International Symposium on Biological Control of Weeds, CSIRO, Canberra. pp. 493-495.
Plant Pathology and Biological Control of Invasive Weeds - (Book / Chapter)
BRUCKART, W.L., BERNER, D.K., CAESAR, A.J., WIDMER, T.L. PLANT PATHOLOGY AND BIOLOGICAL CONTROL OF INVASIVE WEEDS. Biological Control of Invasive Plants in the United States. In Plant Pathology and Biological Control of Invasive Weeds. E.M. Combs, J.K. Clark, G.L. Piper, and A.F. Cofrancesco (EDS). Oregon State University Press, Corvallis, OR. 2004.
Benefits of Chipping Almond Brush - (Proceedings)
Holtz, B., Mckenry, M., Caesar, T., Caesar, A.J. 2003. Benefits of Chipping Almond Brush. In: Proceedings of the 31st Almond Industry Conference, December 3-4, 2003, Modesto, California. 31:164-168.
Synergistic interactions of soilborne plant pathogens and root-attacking insects in classical biological control of an exotic rangeland weed - (Peer Reviewed Journal)
Caesar, A.J. 2003. Synergistic interactions of soilborne plant pathogens and root-attacking insects in classical biological control of an exotic rangeland weed. Biological Control. 28:144-153.
Synergistic Interaction of Plant Pathogens and Insects in Classical Biological Control of Exotic Rangeland Weeds - (Abstract Only)
Caesar, A.J. 2003. Synergistic interaction of plant pathogens and insects in classical biological control of exotic rangeland weeds. XI International Symposium on Biological Control of Weeds.
Bacterial Communities Associated with a Flea Beetle Used for the Biological Control of the Perennial Weed Euphorbia Esula/virgata - (Abstract Only)
Caesar, A. J. and Kremer, R. J. 2004. Bacterial communities associated with a flea beetle used for the biological control of the perennial weed Euphorbia esula/virgata. In: Cullen, J. M. (Ed.), Proceedings of the XI International Symposium on Biological Control of Weeds, CSIRO, Canberra. pp. 496-499.
Synergistic Interaction of Plant Pathogens and Insects in Classical Biological Control of Exotic Rangeland Weeds - (Abstract Only)
CAESAR, A.J. SYNERGISTIC INTERACTION OF PLANT PATHOGENS AND INSECTS IN CLASSICAL BIOLOGICAL CONTROL OF EXOTIC RANGELAND WEEDS. INTERNATIONAL CONGRESS OF PLANT PATHOLOGY ABSTRACTS AND PROCEEDINGS. 2003. POSTER.
Soilborne Microorganisms of Euphorbia from Europe As Potential Biocontrol Agents of Leafy Spurge (Euphorbia Esula L.) - (Abstract Only)
KREMER, R.J., CAESAR, A.J., SOUISSI, T. SOILBORNE MICROORGANISMS OF EUPHORBIA FROM EUROPE AS POTENTIAL BIOCONTROL AGENTS OF LEAFY SPURGE (EUPHORBIA ESULA L.). WEED SCIENCE SOCIETY OF AMERICA ABSTRACTS. 2001. V. 41. P. 31.
Identification, pathogenicity and comparative virulence of Fusarium spp. associated with insect-damaged, diseased Centaurea spp. in Europe - (Peer Reviewed Journal)
Caesar, A.J., Campobasso, G., Terragitti, G. 2002. Identification, pathogenicity and comparative virulence of Fusarium spp. associated with insect-damaged, diseased Centaurea spp. in Europe. Biocontrol. 47(2):217-229.
Granulted Formulation and Method for Stabilizing Biocontrol Agents - (Patent Application)
QUIMBY JR, P.C., CAESAR, A.J., BIRDSALL, J.L., CONNICK JR, W.J., BOYETTE, C.D., ZIDACK, N.K., GREY, W.E. GRANULTED FORMULATION AND METHOD FOR STABILIZING BIOCONTROL AGENTS. PATENT APPLICATION. 2002.
Last Modified: 11/18/2014
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