Qin, X. and J. S. Hartung (1999). Strains of Xylella fastidiosa isolated from diseased orange trees in Brazil have a relatively homogeneous population structure. Annual Meeting of the American Phytopathological Society, Montreal, Quebec, Canada, August 7-11, 1999.

Qin, X. T. and J. S. Hartung (2000). Transformation of Xylella fastidiosa with plasmid DNA. Phytopathology 90(6 Supplement): S62.

Qin, X. T. and J. S. Hartung (2001). Construction of a shuttle vector and transformation of Xylella fastidiosa with plasmid DNA. Current Microbiology 43(3): 158-162.

Qin, X. T., et al. (2001). An evaluation of the genetic diversity of Xylella fastidiosa isolated from diseased citrus and coffee in Sao Paulo, Brazil. Phytopathology 91(6): 599-605.

Queiroz-Voltan, R. B. and O. Paradela Filho (1999). Caracterização de estruturas anatômicas de citros infectados com Xylella fastidiosa. Laranja 20: 55-76.

Queiroz-Voltan, R. B., et al. (1998). Aspectos estruturais de cafeeiro infectado com Xylella fastidiosa. Bragantia 57: 23-33.

Queiroz-Voltan, R. B., et al. (1998). Structural aspects in infected coffee plant with Xylella fastidiosa. Bragantia 57(1): 23-33.


Raju, B. C. and A. C. Goheen (1981). Relative sensitivity of selected grapevine Vitis-vinifera cultivars to Pierce's disease bacterial inoculations. American Journal of Enology & Viticulture 32(2): 155-158.

Raju, B. C., et al. (1983). Occurrence of Pierce's disease bacteria in plants and vectors in California USA. Phytopathology 73(9): 1309-1313.

Raju, B. C., et al. (1979). Occurrence of Pierce's disease of grapevines in Mexico. Phytopathology 69(8): 919.

Raju, B. C., et al. (1980). Pierce's disease of grapevines in Mexico. Plant Disease 64(3): 280-282.

Raju, B. C., et al. (1980). Alternative hosts of Pierce's disease of grapevines that occur adjacent to grape growing areas in California USA. American Journal of Enology & Viticulture 31(2): 144-148.

Raju, B. C., et al. (1981). Serological relationships of Rickettsia-like bacteria in diseased plants. Phytopathology 71(1): 108.

Raju, B. C. and J. M. Wells (1986). Diseases caused by fastidious xylem-limited bacteria and strategies for management. Plant Disease 70(3): 182-186.

Raju, B. C., et al. (1984). Pathogenic relationships between Pierce's disease and phony peach bacteria. Phytopathology 74(7): 857.

Raju, B. C., et al. (1982). Plum leaf scald: isolation, culture, and pathogenicity of the causal agent. Phytopathology 72(11): 1460-1466.

Raven, J. A. (1984). Phytophages of xylem and phloem: a comparison of animal and plant sap-feeders. Advances in Ecological Research 13: 135-234.

Ray, S. K., et al. (2002). A high-molecular-weight outer membrane protein of Xanthomonas oryzae pv. oryzae exhibits similarity to non-fimbrial adhesins of animal pathogenic bacteria and is required for optimum virulence. Molecular Microbiology 46(3): 637-647.

Redak, R. A., et al. (1998). Control of glassywinged sharpshooters on oleander under greenhouse conditions, winter 1997: 347-348.

Redak, R. A., et al. (2004). The biology of xylem fluid-feeding insect vectors of Xylella fastidiosa and their relation to disease epidemiology. Annual Review of Entomology 49: 243-270.

Reinach, F. and X. consortium (1999). The genome sequence of Xylella fastidiosa. FASEB Journal 13(7): A1425.

Reis, S., et al. (2002). Use of bulked segregant analysis to identify an AFLP marker linked to Xylella fastidiosa resistance. American Journal of Enology & Viticulture 53(3): 255A.

Reis, V. M., et al. (1994). Improved methodology for isolation of Acetobacter diazotrophicus and confirmation of its endophytic habitat. World Journal of Microbiology & Biotechnology 10: 401-405.

Remes, L. A. M., et al. (1999). Cicadelinae on citrus plants affected by CVC in the Argentine Republic. (Insecta: Homoptera: Cicadellidae). Revista de la Sociedad Entomologica Argentina 58(3-4): 211-225.

Ribeiro, R. V., et al. (2003). High temperature effects on the response of photosynthesis to light in sweet orange plants infected with Xylella fastidiosa. Brazilian Journal of Plant Physiology 15(2): 89-97.

Ribeiro, R. V., et al. (2003). Early photosynthetic responses of sweet orange plants infected with Xylella fastidiosa. Physiological & Molecular Plant Pathology 62(3): 167-173.

Rieger, T. (1995). Growers network on-line for better disease control. Vineyard & Winery Management March/April: 1-4.

Robacker, C. D. and C. J. Chang (1990). Shoot tip culture of muscadine grape to eliminate Pierce's disease bacterium. Hortscience 25(9): 1150.

Roberto, S. R. and A. C. Busoli (1999). [Effect of flush intensity of "Pera" sweet orange (Citrus sinensis (L.) Osbeck) on population dynamic of Xylella fastidiosa vectors.]. Cientifica (Jaboticabal) 27(1-2): 211-220.

Roberto, S. R., et al. (1996). Transmissão de Xylella fastidiosa pelas cigarrinhas Dilobopterus costalimai, Acrogonia terminalis e Oncometopia fascialis em citros [Transmission of Xylella fastidiosa by the sharpshooters Dilobopterus costalimai, Acrogonia terminalis and Oncometopia facialis in citrus]. Fitopatologia Brasileira 21(4): 517-518.

Roberto, S. R., et al. (2000). Espécies e Flutuação de Cigarrinhas em Viveiros de Citros, em Gavião Peixoto (SP). Laranja 21(1): 65-79.

Roberto, S. R. and P. T. Yamamoto (1998). Flutuação populacional e controle químico das cigarrinhas em citros. Laranja 19: 269-284.

Roberts, D. L., et al. (1981). Association of a Bacterium with a Disease of Toronto Creeping Bent Grass Agrostis-Palustris Cultivar Toronto. Plant Disease 65(12): 1014-1016.

Rodas, V. (1994). Convivencia com a clorose variegada dos citros. Laranja 15((1)): 129-134.

Rodrigues, A. L. F., et al. (1991). Estudos comparitivos entre declinio e clorose variegada dos citros. Summa Phytopathologia 17: 49 (abstract).

Rodrigues, J. L. M., et al. (2003). Detection and diversity assessment of Xylella fastidiosa in field-collected plant and insect samples by using 16S rRNA and gyrB sequences. Applied & Environmental Microbiology 69(7): 4249-4255.

Rodriguez, C. M., et al. (2001). First report of Xylella fastidiosa infecting coffee in Costa Rica. Plant Disease 85(9): 1027.

Roistacher, C. N. (1992). CVC: a warning and an appeal. Citrograph 77: 17-18.

Rojas, C. M., et al. (2002). HecA, a member of a class of adhesins produced by diverse pathogenic bacteria, contributes to the attachment, aggregation, epidermal cell killing, and virulence phenotypes of Erwinia chrysanthemi EC16 on Nicotiana clevelandii seedlings. Proceedings of the National Academy of Sciences of the United States of America 99(20): 13142-13147.

Roper, M. C., et al. (2002). Analysis of grapevine xylem sap for evidence of host cell wall degrading enzymes associated with colonization by Xylella fastidiosa. Phytopathology 93S(6S): 70-71.

Roper, M. C., et al. (2003). Biochemical evidence of bacterial exopolysaccharide production in grapevines infected with Xylella fastidiosa, the causal agent of Pierce's disease. Phytopathology 93S(6S): 74-75.

Rosato, Y. B., et al. (1998). Diversity of a Xylella fastidiosa population isolated from Citrus sinensis affected by citrus variegated chlorosis in Brazil. Systematic & Applied Microbiology 21(4): 593-598.

Rosell, R. C. and H. S. Costa (2002). Ultrastructure of the bacteriome-associated endosymbionts of the glassy-winged sharpshooter, Homalodisca coagulata (Homoptera: Cicadellidae). Pierce's Disease Research Symposium, San Diego, California, California Department of Food and Agriculture.

Rossetti, V., et al. (1990). Resultados preliminares de estudos sobre uma nova anormalidade dos citros observada no estado de Sao Paulo e MInas Gerais. Summa Phytopathologia 16: 13 (abstract).

Rossetti, V., et al. (1990). Occurrence of xylem-restricted bacteria in sweet orange trees affected by chlorotic variegation, a new citrus disease in Brazil. Comptes Rendus de l'Academie des Sciences Serie III Sciences de la Vie 310(8): 345-350.

Rossetti, V., et al. (1990). Présence de bactéries dans le xylème d'orangers atteints de chlorose variégé, une nouvelle maladie des agrumes au Bresil. Comptes Rendus de l'Academie des Sciences Serie III Sciences de la Vi 30(III): 345-349.

Rossetti, V., et al. (1990). Chorose variegada dos citros (CVC) uma doenca transmissivel. Arq. Inst. Biol. 57: 14 (abstract).

Rossetto, E. A. and V. Duarte (2001). Epidemiological aspects of citrus variegated chlorosis at Rio Grande do Sul State, Brazil. Phytopathology 91(6S): S77.

Rossi, A. M., et al. (1996). Response of xylem-feeding leafhopper to host plant species and plant quality. Journal of Chemical Ecology 22(4): 653-671.

Rossi, A. M. and D. Strong (2001). Seasonal distribution of the leafhopper Carneocephala floridana (Homoptera: Cicadellidae) in north Florida salt marshes. Annals of the Entomological Society of America 94(6): 871-876.

Ruiz, L. P., et al. (1993). Calcium in the xylem and its influence on the behaviour of stomata. Phil. Trans. R. Soc. Lond.: 67-74.