Publications

Book Chapters

Valverde, R. A. 2008. DsRNA as a detection and diagnostic tool for plant viruses. Pages: 49-60 in Techniques in diagnosis of plant viruses. Studium Press, LLC.

Valverde, R. A., Clark, C. A., Kokkinos, C. D., and Gutierrez, D. L. 2008. Sweet potato viral diseases. Pages: 251-272 in Characterization, diagnosis and management of plant viruses. Volume 1: Industrial crops. G. P. Rao, S. M. Khurana, and L. Lenardon eds. Studium Press, USA.

Valverde, R. A. 2003. Andean potato mottle virus pepper strain. Page 26, In: Compendium of pepper diseases. The American Phytopathological Society. St. Paul, MN. USA.

Clark, C. A., Fuentes, S., Hurtt, S., Moyer, J., Salazar, L., and Valverde, R. A. 2001. Some symptoms caused by viruses and virus-like agents in Ipomoea batatas and related species. Centro Internacional de la Papa/LSU Agricultural Center. Lima, Peru. 14 pp. (Booklet).

Valverde, R. A. 1996. Spring Beauty Latent Bromovirus. Pages 1174-1175 in: Viruses of Plants. Brunt, A., Crabtree, K., Dallwitz, M., Gibbs, A., and Watson, L. Ed. CAB International. University Press, Cambridge, UK.

Valverde, R. A., and Fulton, J. P. 1996. Comoviruses: Identification and Diseases Caused. Pages 17-33 in: The Plant Viruses: Polyhedral Virions and Bipartite RNA Genomes. Harrison, B. D. ed. Plenum Publishing. New York, N. Y.

Dodds, J. A., Valverde, R. A., and Matthews, D. M. 1988.  Detection and interpretation of dsRNAs.  Pages 309-326 in:  Viruses of Fungi and Simple Eukaryotes.  Koltin, Y. and Leibowitz, M. J. eds.  Marcel Dekker, Inc. New York, N. Y.

 Articles

Valverde, R. A. and Sabandzovic, S. 2008. An emerging viral disease of Japanese holly fern in southeastern United States caused by a new plant virus.  Louisiana Agriculture 51:27.

Valverde, R. A. and Gutierrez, D. L. 2008. Molecular and biological properties of a putative partitivirus from Jalapeño pepper (Capsicum annuum L.). Mexican Journal of Phytopathology (Revista Mexicana de Fitopatologia) 26: 1-6.

Valverde, R. A., Clark, C. A., and Valkonen, J. P. T. 2007.Viruses and virus disease complexes of sweetpotato. Plant Viruses 1:116-126.

Valverde, R. A. and Gutierrez, D. L. 2007. Transmission of a dsRNA in bell pepper and evidence that it consists of the genome of an endornavirus. Virus Genes 35:399-403.

Valverde, R. A., Landry, A., Nesbitt, M., Lotrakul, P., Dozier, W., and Ebel, R. 2004. Identification of Citrus tristeza virus strains in Louisiana and Alabama. Acta Horticulturae 657:567-571

Valverde, R. and Moreira, M. A. 2004. Identification of sweet potato (Ipomoea batatas.L) viruses in Costa Rica. Agronomia Mesoamericana 15:1-7.

Valverde, R. A., Lozano, A. G., Navas-Castillo, J., Ramos, A., and Valdez, F. 2004. First Report of Sweet potato chlorotic stunt virus and Sweet potato feathery mottle virus infecting sweet potato in Spain. Plant Disease. 88:428.

Lotrakul, P., Valverde, R. A., Clark, C. A., and Fauquet, C. M. 2003. Properties of a Begomovirus isolated from sweet potato infected with Sweet potato leaf curl virus. Mexican Journal of Phytopathology (Revista Mexicana de Fitopatologia) 22-1: 128-136.

Souto, E., Sim, J.l, Chen, J., Valverde, R. and Clark, C. 2003. Properties of strains of sweet potato feathery mottle virus and two newly recognized potyviruses infecting sweet potato in the United States. Plant Disease 87:1226-1232

Valverde, R. A., Sim, J., and Lotrakul, P. 2003. Whitefly transmission of sweet potato viruses. Virus Research  100:123-128.

Lotrakul, P., Valverde, R.A., Clark, C.A., Hurtt, S., and Hoy, M.W. 2002. Sweet potato leaf curl virus and related geminiviruses in sweet potato. Acta Horticulturae 583:135-141.

Lotrakul, P., Valverde, R. A. , and Landry, A. D. 2000. Biological and molecular properties of a Begomovirus from Dicliptera sexangularis. Phytopathology 90:723-729.

Valverde, R. A., Dufresne, D. J., Hobbs, H. A., and Black, L. L. 2000. Resistance of Capsicum spp. Genotypes to potato virus Y potyvirus isolates. Mexican Journal of Phytopathology (Revista Mexicana de Fitopatologia) 16:69-72.

Lotrakul, P.,and Valverde, R. A. 1999. Cloning of a DNA-A-like genomic component of sweetpotato leaf curl virus: nucleotide sequence and phylogenetic relationships. Molecular Plant Pathology On-Line. Mppol/1999/0206LOTRAKUL.

Lotrakul, P., Valverde, R. A., Clark, C. A., Sim, J., and De La Torre, R. 1998. Detection of a geminivirus infecting sweetpotato in the United States. Plant Dis. 82: 1253-1257.

Hobbs, H. A., Valverde, R. A., Black, L. L., and Dufresne, D. J. 1997. Resistance in a Capsicum annuum L. (pepper) line to six geographically diverse cucumber mosaic virus isolates. Revista Mexicana de Fitopatología 14:132-134.

Ariyaratne, I., Hobbs, H. A., Valverde, R. A., Black, L. L, and Dufresne, D. J. 1996. Resistance of Capsicum spp. genotypes to tobacco etch virus isolates from the Western Hemisphere. Plant Disease 80:1257-1261.

Johnson, R. R., Black, L. L., Hobbs, H. A., Valverde, R. A., Story, R. N., and Bond, W. P. 1995. Association of Frankliniella fusca and three winter weeds with tomato spotted wilt virus in Louisiana. Plant Disease 79:4572-576.

Valverde, R. A., Black, L. L., and Dufresne, D. J. 1995. A comovirus affecting Tabasco pepper in Central America. Plant Disease 79:421-423.

Arancibia, R. A., and Valverde, R. A. 1995. A cryptic virus from pepper. Plant Pathology 44:164-168.

Hobbs, H. A., Black, L. L., Johnson, R. R., and Valverde, R. A. 1994. Differences among tomato spotted wilt virus isolates and their reactions to three resistant Capsicum chinense lines. Plant Disease 78:1120.

Kousik, C. S., Snow, J. P., and Valverde, R. A. 1994. Comparison of double-stranded RNA components and virulence among isolates of Rhizoctonia  solani AG-1 IA and AG-1 IB. Phytopathology 84:44-49.

Valverde, R. A., Can, F., and Rush, M. C. 1993. Yellow mottle of tomatillo (Physalis ixocarpa) caused by physalis mottle virus. Plant Pathology 42:657-660.

Hobbs, H. A., Black, L. L., Story, R. N., Valverde, R. A., Bond, W. P., Gatti, J. M., Schaffer, D. O., and Johnson, R. R. 1993. Transmission of tomato spotted wilt virus from pepper and three weed hosts by Frankliniella fusca. Plant Disease 77:797-799.

Valverde, R. A., and Fontenot, J. F. 1991. Variation in double-stranded ribonucleic acid (dsRNA) among pepper cultivars. Journal of the American Society of Horticultural Science 116:903-905.

Valverde, R. A., and Glascock, C. B. 1991. Further examination of the RNA and coat protein of spring beauty latent virus. Phytopathology 81:401-404.

Valverde, R. A., Nameth, S. T., Abdallha, A. O., Desjardins, P. R., and Dodds, J. A. 1990. Indigenous double-stranded RNA from pepper (Capsicum annuum). Plant Science 67:195-201.

Valverde, R. A., Nameth, S. T., and Jordan, R. L. 1990. Analysis of double-stranded RNA for plant virus diagnosis. Plant Disease 74:255-258.

Griesbach, J. A., Falk, B. W., and Valverde. R. A. 1990. Incidence of barley yellow dwarf viruses in California cereals. Plant Disease 74:111-114.

Kim, K. S., Valverde, R. A., and Dodds J. A. 1989.  Cytopathology of satellite tobacco mosaic virus and its helper virus in tobacco.  Journal of Ultrastructure and Molecular Structure Research 102:196-204.

Valverde, R. A., and Dodds, J. A. 1987.  Some properties of isometric virus particles which encapsidate the satellite RNA of tobacco mosaic virus.  Journal of General Virology 68:965-972.

Valverde, R. A., and Dodds, J. A. 1986.  Evidence for a satellite RNA associated naturally with the U5 strain and experimentally with the U1 strain of tobacco mosaic virus.  Journal of General Virology 67:1875-1884.

Valverde, R. A., Dodds, J. A., and Heick, J. A. 1986.  Double stranded RNAs from plants infected with viruses having elongated particles and undivided genomes.  Phytopathology 76: 459-465.

Valverde, R. A. 1985.  Spring beauty latent virus:  a new member of the bromovirus group.  Phytopathology 75: 395-398.

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