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Anthony J. Caesar (Tony)

Research Plant Pathologist

Anthony Caesar.Anthony J. Caesar

 

Phone: 406.433.9412
Fax: 406.433.5038
 

 

 

• Education • Current Research • Research Experience • Related Web Pages • Selected Publications •

 


 

Additional Pages: Research Projects,* Publications*

*Taken from the Agricultural Research Information System (ARIS) database. 
 
 
 
  

EDUCATION

 
B.S. Plant Science 1978 University of California, Davis
M.S. Plant Pathology 1982 Cornell University
Ph. D. Plant Pathology 1987 Cornell University



CURRENT RESEARCH

 

Investigations center on the role of plant pathogens in the biological control of exotic, highly invasive weeds. The goal is to develop knowledge essential to enabling the incorporation of plant pathogens into biological, cultural and reduced-chemical control programs. A principal theme of my research is to derive the practically useful elements of how plant pathogens act in direct combination with insect damage to target weeds following release and establishment of agents. This avenue of research seeks both to develop the means of supplementing insect releases with plant pathogens for greater and more consistent impact and criteria for selecting new insect and plant pathogen agents. More precise criteria for selecting new classical can result in considerable cost reductions (180,000 USD per new agent) and reduced environmental risks.  

 

 

 

 NPARL Plant Pathologists Robert T. Lartey and Anthony J. Caesar are co-editors of a new book just published by Research Signpost of India entitled “Emerging Concepts in Plant Health Management, 2004.”  Click here for more information about the book on the Research Signpost's Website.  To order from the publisher send an e-mail to ggcom@vsnl.com or admin@rsflash.com citing the name of the book, volume number, the required number of copies and the purchaser’s name and mailing address. You can also go to the website at http://www.ressign.com.

 

RESEARCH EXPERIENCE

 

Before joining the ARS rangeland weeds lab in 1990 to investigate the utility as plant pathogens for biocontrol of perennial rangeland weeds, as a Chancellor’ Postdoctoral Fellow, I conducted research on rhizosphere bacteria in the Plant Pathology Department at U. C. Berkeley, focused on phenotypic traits associated with beneficial rhizosphere bacteria to facilitate more rational screening of candidate plant growth-promoting rhizosphere bacteria. My graduate research was on the use of plant growth promoting rhizosphere bacteria for control of the apple nursery replant problem. Beginning as an undergraduate intern, I was employed periodically by the California Department of Food and Agriculture, lab Services in the fungal plant disease diagnostic lab over the years 1978-84.

 

 

RELATED WEB PAGES

 

Disease-causing Pathogens Key Players in NPARL Biocontrol Research (.pdf)

Pest Management Research Unit Projects

 

 

SELECTED PUBLICATIONS
Please note: The most recent publications by this scientist may not yet be listed here. Please check the ARIS "Publications" page for possible new titles.

  • 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.

  • 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.

  • 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.

  • Kremer, R.J., Caesar, A.J., and 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.

  • 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.

  • Lartey, R.T., Caesar, T., Caesar, A.J., Shelver, W.L., Sol, N.I., and Bergman, J.W. 2005. Safflower: a New Host of Cercospora Beticola. Plant Disease. 89(8):797-801.

  • Thelen, G.C., Vivanco, J.M., Newingham, B., Good, W., Bais, H.P., Landres, P., Caesar, A.J., and Callaway, R.M. 2004. Insect Herbivory Stimulates Allelopathic Exudation by An Invasive Plant and the Suppression of Natives. Ecological Applications. 14:209-217.

  • Caesar, T., Caesar, A., and Sainju, U. 2004. Isolation, Identification, and Characterization of Soil Aggregating Bacteria in Soil Microaggregates. Abstracts, American Society of Agronomy Meetings.

  • Lartey, R.T., and Caesar, A.J. 2004. Emerging Concepts in Plant Health Management. In: Robert T. Lartey and Anthony J Caesar, Editors. Research Signpost. Pp. 300.

  • Lartey, R.T., Caesar, T., Caesar, A.J., Shelver, W.L., and Sol, N.I. 2004. Safflower: An Alternate Host of Cercospora Beticola. Phytopathology. 94(6):s57.

  • 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.

  • 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. 493-495.

  • 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. (Duplicated-See Log 156065)

  • Bruckart, W.L., Berner, D.K., Caesar, A.J., and 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.

  • 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.

  • 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.

  • Caesar, A.J. 2003. Insect-Plant Pathogen Synergisms for the Biological Control of Rangeland Weeds (Duplicated-See Log 159421). Biocontrol Symposium Proceedings.

  • 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.

  • 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.

  • Caesar, A.J. 2003. Synergistic interaction of soilborne plant pathogens and root-attacking insects in classical biological control of an exotic rangeland weed. Biological Control 28: 144-153.

  • Boyetchko, S.M., Rosskopf, E.N., Caesar, A.J., and Charudattan, R. Biological weed control with pathogens: Search for candidates to applications. p. 239-274. In: G.G. Khachatourians and D.K. Arora (eds.), Applied Mycology and Biotechnology, Vol. 2. Agriculture and Food Production. Elsevier Science B.V., The Netherlands.

  • Caesar, A.J., Campobasso, G., and Terragitti, G. 2002. Identification, pathogenicity and comparative virulence of Fusarium spp. associated with insect-damaged, diseased Centaurea spp. in Europe. BioControl 47:217-229.

  • Kremer, R.J., Caesar, A.J., and 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.

  • Caesar, A.J. 2000. Insect-pathogen interactions are the foundation of weed biocontrol. Pages 793-798 in Proceedings of the Tenth International Symposium on Biological Control of Weeds. N. R. Spencer, ed.

  • Caesar, A.J., Campobasso, G., and Terragitti, G. 1999. Effects of European and U. S. strains of Fusarium spp. pathogenic to leafy spurge on biomass of native grasses and pathogenicity to cultivated species in the greenhouse. Biological Control 14:130-136.

  • Caesar, A.J., Campobasso, G., and Terragitti, G. 1998. Identification, pathogenicity and comparative virulence of Fusarium spp. associated with diseased Euphorbia spp. in Europe Biocontrol Science and Technology 8: 313-319.

  • Caesar, A. J. 1996. Identification, pathogenicity and comparative virulence of Fusarium spp. associated with stand declines of leafy spurge (Euphorbia esula) in the Northern Plains. Plant Disease 80: 1395-1398.

  • Boyette, C.D., Quimby, P.C. Jr., Caesar, A.J., Birdsall, J.L., Connick, W.J. Jr., Daigle, D.J., Jackson, M.A., Egley, G.H. 1996. Abbas.  Adjuvants, formulations, and spraying systems for improvement of mycoherbicides. Weed Technology 10: 637-644.

  • Caesar, A.J. Potential of Plant Pathogens for the Biological Control of Leafy Spurge. Pages 66-74 in R. A. Andrascik, ed. Proceedings of a Symposium on strategies for the control of leafy spurge in Theodore Roosevelt National Park. National Park Service, Medora, ND. 1995.

  • Caesar, A.J. 1994. Pathogenicity and host range of Agrobacterium tumefaciens from Acroptilon repens and Euphorbia esula. Plant Disease 78:796 800.

  • Caesar, A.J. 1994. Comparative virulence and host range of strains of Rhizoctonia solani AG 4 from leafy spurge. Plant Disease 78: 183 186.

  • Caesar, A.J., Rees, N.E., Spencer, N.R., and Quimby, P. C. 1993. Characterization of Rhizoctonia spp. causing disease of leafy spurge in the Northern Plains. Plant Disease 77:681 684.

  • Caesar, A.J., and Burr, T.J. 1991. Effect of conditioning, betaine, and sucrose on survival of rhizobacteria in powder formulations. Appl. Environmental Microbiol. 57:168 172.

  • Caesar, A.J., and Burr, T.J. 1987. Growth promotion of apple seedlings and rootstocks by specific strains of bacteria. Phytopathology 77:1583-1588.

  • Burr, T.J., and Caesar, A.J. 1984. Beneficial plant bacteria. CRC Critical Reviews in Plant Sciences 2: 1-20.

  • Caesar, A.J., and Pearson, R.C. 1983. Environmental factors affecting survival of ascospores of Sclerotinia sclerotiorum. Phytopathology 73: 1024-1030.

 

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