Search Results - "Lopes, J.R.S"

Morphological description of the mouthparts of the Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae) by Garzo, E., Bonani, J.P., Lopes, J.R.S., Fereres, A.

“…Scanning (SEM) and transmission (TEM) electron microscopy were used to elucidate the morphology of the rostrum, as well as the mandibular and maxillary stylets…”
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Weedy Hosts and Prevalence of Potential Leafhopper Vectors (Hemiptera: Cicadellidae) of a Phytoplasma (16SrIX group) Associated with Huanglongbing Symptoms in Citrus Groves by Marques, R. N, Teixeira, D. C, Yamamoto, P. T, Lopes, J.R.S

“…Huanglongbing (HLB) is a severe citrus (Citrus spp.) disease associated with the bacteria genus Candidatus Liberibacter, detected in Brazil in 2004. Another…”
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Influence of Xylella fastidiosa infection of citrus on host selection by leafhopper vectors by Marucci, R.C, Lopes, J.R.S, Vendramim, J.D, Corrente, J.E

“…Infection of plants by pathogens can influence their attractiveness and suitability to insect vectors and other herbivores. Here we examined the effects of…”
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Characterization of electrical penetration graphs of the Asian citrus psyllid, Diaphorina citri, in sweet orange seedlings by Bonani, J.P, Fereres, A, Garzo, E, Miranda, M.P, Appezzato-Da-Gloria, B, Lopes, J.R.S

“…Detailed information on probing behavior of the Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), is critical for understanding the…”
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Vector Transmission of Xylella fastidiosa: Applying Fundamental Knowledge to Generate Disease Management Strategies by Almeida, Rodrigo P. P, Blua, Matthew J, Lopes, João R. S, Purcell, Alexander H

“…Xylella fastidiosa is a xylem-limited bacterium transmitted to plants by xylem sap-feeding insects. This pathogen has a wide host range, causing disease in…”
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GENETIC DISTANCE MAY UNDERLIE VIRULENCE DIFFERENCES AMONG ISOLATES OF A BACTERIAL PLANT PATHOGEN by Coletta-Filho, H.D., Bittleston, L.S., Lopes, J.R.S., Daugherty, M.P., Almeida, R.P.P.

“…Certain pathogens evolve with their hosts in a stepwise arms race of virulence and resistance, mediated by one or a few genetic loci in their genomes. Other…”
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Characterization of electrical penetration graphs of Bucephalogonia xanthophis, a vector of Xylella fastidiosa in citrus by Miranda, M.P, Fereres, A, Appezzato-da-Gloria, B, Lopes, J.R.S

“…The sharpshooter Bucephalogonia xanthophis (Berg) (Homoptera: Cicadellidae) is a vector of the xylem-limited bacterium, Xylella fastidiosa (Wells, Raju, Hung,…”
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Influence of Citrus Plants Infected with Xylella fastidiosa on Stylet Penetration Activities of Bucephalogonia xanthophis (Hemiptera: Cicadellidae) by Miranda, M. P. De, Villada, E. S, Lopes, S. A, Fereres, A, Lopes, J.R.S

“…Xylem colonization by Xylello fastidiosa promotes physiological, biochemical, and morphological alterations in citrus plants causing citrus variegated…”
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Detection and diversity assessment of Xylella fastidiosa in field-collected plant and insect samples by using 16S rRNA and gyrB sequences by Rodrigues, J.L.M, Silva-Stenico, M.E, Gomes, J.E, Lopes, J.R.S, Tsai, S.M

“…The causal agent of diseases in many economically important plants is attributed to the xylem-limited bacterium Xylella fastidiosa. The detection of this plant…”
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Strain origin drives virulence and persistence of Xylella fastidiosa in alfalfa by Lopes, J.R.S, Daugherty, M.P, Almeida, R.P.P

“…Generalist pathogens frequently exist as a complex of genetically differentiated strains, which can differ in virulence and transmissibility. A description of…”
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Leaf symptoms on plum, coffee and citrus and the relationship with the extent of xylem vessels colonized by Xylella fastidiosa by Alves, E, Marucci, C.R, Lopes, J.R.S, Leite, B

“…Leaf petioles of plum, coffee and sweet orange were examined using scanning electron microscopy (SEM). The presence of Xylella fastidiosa in the samples was…”
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biology of xylem fluid-feeding insect vectors Xylella fastidiosa an\dt their relation to disease epidemiology by Redak, R.A, Purcell, A.H, Lopes, J.R.S, Blua, M.J, Mizell, R.F. III, Andersen, P.C

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Influence of Latitude and Elevation on Polymorphism Among Populations of the Corn Leafhopper, Dalbulus maidis (DeLong and Wolcott) (Hemiptera: Cicadellidae), in Brazil by de Oliveira, Charles Martins, Lopes, João Roberto Spotti, Dias, Carlos Tadeu Dos Santos, Nault, Lowell R

“…Morphological variations in insects have been shown to be influenced by latitude and elevation. Here we show that these two parameters markedly influence the…”
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Genetic Diversity in Populations of Dalbulus maidis (DeLong and Wolcott) (Hemiptera: Cicadellidae) from Distant Localities in Brazil Assessed by RAPD-PCR Markers by Martins de Oliveira, Charles, Lopes, João Roberto Spotti, Camargo, Luis Eduardo Aranha, Fungaro, Maria Helena Pelegrinelli, Nault, Lowell R

“…Populations of Dalbulus maidis (DeLong and Wolcott) from the northeastern and central-southern regions of Brazil differ morphologically, suggesting that they…”
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Analise comparativa da estabilidade do DNA de Dalbulus maidis (DeLong & Wolcott) (Hemiptera: Cicadellidae) sob diferentes metodos de preservacao para uso em RAPD-PCR. [Erratum: July/Sept 2002, v. 31 (3), p. unnumbered.] by Oliveira, C.M, Fungaro, M.H.P, Camargo, L.E.A, Lopes, J.R.S

“…The appropriate preservation of the DNA of a certain organism is important for successful application of molecular techniques like RAPD-PCR. This study was…”
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Identification of a non-host plant of Xylella fastidiosa to rear healthy sharpshooter vectors by Marucci, R.C, Giustolin, T.A, Miranda, M.P. de, Miquelote, H, Almeida, R.P.P. de, Lopes, J.R.S

“…Rearing leafhopper (Hemiptera: Cicadellidae) vectors free of Xylella fastidiosa is a requirement for studies of various aspects of vector-pathogen…”
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FEEDING AND SURVIVAL OF CITRUS SHARPSHOOTERS (HEMIPTERA: CICADELLIDAE) ON HOST PLANTS by Milanez, José M, Parra, José R. P, Custódio, Isabel A, Magri, Denise C, Cera, Christina, Lopes, João R. S

“…The liquid excretion and survival of the sharpshooters Dilobopterus costalimai Young and Oncometopia facialis (Signoret), vectors of Xylella fastidiosa in…”
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RESISTÊNCIA DE VARIEDADES COMERCIAIS DE BATATA À TRANSMISSÃO DO POTATO Y VIRUS PELO VETOR MYZUS PERSICAE by Salas, F.J.S., Lopes, J.R.S., Fereres, A.

“…RESUMO Na cultura de batata (Solanum tuberosum L.), os afídeos destacam-se pela transmissão de muitos vírus sendo de fundamental importância o estudo da…”
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INFLUÊNCIA DAS CONDIÇÕES HÍDRICAS DO SOLO E DA TEMPERATURA NA SOBREVIVÊNCIA E ALIMENTAÇÃO DE ONCOMETOPIA FACIALIS (HEMIPTERA: CICADELLIDAE) EM "SEEDLINGS" DE CITROS by Pereira, É.F., Lopes, J.R.S., Turati, D.T., Munhoz, C., Corrente, J.E.

“…RESUMO O comportamento alimentar de cigarrinhas vetoras de Xylella fastidiosa, agente causal da clorose variegada dos citros, pode influenciar sua eficiência…”
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Leafhopper transmission and host plant range of maize chlorotic dwarf waikavirus strains by Lopes, J.R.S. (Universidade de Sao Paulo, Piracicaba, Sao Paulo, Brazil), Nault, L.R, Gingery, R.E

“…Two strains of maize chlorotic dwarf waikavirus (MCDV), the type strain MCDV-T and the recently isolated MCDV-M1, were compared for leafhopper transmission,…”
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