• Advances in characterization and epidemiology of strawberry viruses and phytoplasmas in Argentina 

      Conci, Vilma Cecilia; Luciani, Cecilia Elizabeth; Merino, M.C.; Celli, Marcos Giovani; Perotto, Maria Cecilia; Torrico Ramallo, Ada Karina; Pozzi, Elizabeth Alicia; Strumia, Gisella; Dughetti, Arturo Carlos; Asinari, Florencia; Conci, Luis Rogelio; Fernandez, Franco Daniel; Salazar, Sergio Miguel; Meneguzzi, Natalia; Kirschbaum, Daniel Santiago (2017-04)
      The presence of systemic pathogens, such as viruses and phytoplasmas, in strawberry plants is the usual situation worldwide. More than 20 virus species and 6 phytoplasmas 16Sr groups have been cited infecting strawberries ...
    • Avances en el estudio del amarillamiento del duraznero en las diferentes zonas productoras de Jujuy, Argentina 

      Curzel, Viviana Noemi; Fernandez, Franco Daniel; Conci, Luis Rogelio; Bejarano, Noemí (INIA Uruguay y Facultad de Agronomía, Universidad de la República, 2021-04-06)
      En Jujuy existen 850 ha de durazneros (Prunus persica L.), alrededor de 800 ha se encuentran en los valles templados, donde hace unos años comenzaron a observarse plantas con síntomas de amarillamiento, enroje-cimiento, ...
    • Bottom-up effect of nitrogen fertilization on the density of the corn leafhopper and its impact on both disease incidence and natural parasitism 

      Virla, Eduardo G.; Luft Albarracín, Erica B.; Díaz, Cecilia; Van Nieuwenhove, Guido A.; Fernandez, Franco Daniel; Coll Aráoz, María V.; Melchert, Nicolás A.; Conci, Luis Rogelio; Gimenez, Maria De La Paz (Springer, 2022-04-15)
      The corn leafhopper Dalbulus maidis is a specialist herbivore that attacks maize in the tropical and subtropical regions of the Americas. It is the vector of three relevant plant pathogens that are responsible for severe ...
    • ‘Ca. Phytoplasma pruni’ and ‘Ca. Phytoplasma meliae’ are affecting plum in Argentina 

      Bongiorno, Vanina Aylén; Alessio, Florencia Ivette; Curzel, Viviana Noemi; Nome Docampo, Claudia; Fernandez, Franco Daniel; Conci, Luis Rogelio (Springer, 2020-09-29)
      We report for the first time the presence of phytoplasmas in association with Plum (Prunus domestica) yellowing in Argentina. Molecular analysis of 16S rDNA gene sequence (RFLP, phylogeny) reveals the existence of two ...
    • Cost-Effective Method to Perform SARS-CoV-2 Variant Surveillance: Detection of Alpha, Gamma, Lambda, Delta, Epsilon, and Zeta in Argentina 

      Torres, Carolina; Mojsiejczuk, Laura; Acuña, Dolores; Alexay, Sofía; Amadio, Ariel; Aulicino, Paula; Debat, Humberto Julio; Fay, Fabián; Fernandez, Franco Daniel; Giri, Adriana A.; Goya, Stephanie; Konig, Guido Alberto; Lucero, Horacio; Nabaes Jodar, Mercedes; Pianciola, Luis; Sfalcin, Javier A.; Acevedo, Raúl M.; Bengoa Luoni, Sofía Ailin; Bolatti, Elisa M.; Brusés, Bettina; Cacciabue, Marco Polo Domingo; Casal, Pablo E.; Cerri, Agustina; Chouhy, Diego; Dus Santos, Maria Jose; Eberhardt, María Florencia; Fernandez, Ailen; Fernandez, Paula Del Carmen; Fernández Do Porto, Darío; Formichelli, Laura; Gismondi, María Inés; Irazoqui, Jose Matias; Lorenzini Campos, Melina; Lusso, Silvina; Marquez, Nathalie; Muñoz Hidalgo, Marianne Graziel; Mussin, Javier; Natale, Mónica; Oria, Griselda; Pisano, María Belén; Posner, Victoria; Puebla, Andrea Fabiana; Viegas, Mariana (Frontiers Media, 2021-12-10)
      The emergence of SARS-CoV-2 variants with concerning characteristics to public health has attracted the attention of the scientific community and governments both regionally and globally since the end of 2020. The most ...
    • Declinamiento del paraíso en arbolado urbano de Parera 

      Corro Molas, Andres Ezequiel; Fernandez, Franco Daniel; Grangetto, Andrea (Agencia de Extensión Rural General Pico, INTA, 2018-03)
      En los últimos dos años se comenzó a observar en algunas ciudades del norte de La Pampa el amarillamiento y posterior muerte de plantas de paraíso utilizadas en el arbolado urbano. En la localidad de Parera, los responsables ...
    • Detection and identification of a 16SrIII-J phytoplasma affecting cassava (Manihot esculenta Crantz) in Argentina 

      Fernandez, Franco Daniel; Uset, Ovidio Antonio; Baumgratz, Gustavo; Conci, Luis Rogelio (Springer; Australasian Plant Pathology Society, 2018-12)
      Cassava plants displaying symptoms of dwarfing, witches’ broom, and chlorosis, were detected in production fields located in Misiones province Argentina. The RFLP profiles and phylogenetic analyses based on 16S rRNA and ...
    • Detection and identification of a novel 16SrXIII subgroup phytoplasma associated with strawberry red leaf disease in Argentina 

      Fernandez, Franco Daniel; Meneguzzi, Natalia; Guzman, Fabiana; Kirschbaum, Daniel Santiago; Conci, Vilma Cecilia; Nome Docampo, Claudia; Conci, Luis Rogelio (2015-08)
      Strawberry red leaf phytoplasma was found in strawberry plants from production fields in Lules (Tucumán province) and Bella Vista (Corrientes province), Argentina. Characteristic strawberry red leaf symptoms were stunting, ...
    • Detection and molecular characterization of a phytoplasma affecting Prunus persica L. in Jujuy, Argentina 

      Fernandez, Franco Daniel; Guzman, Fabiana; Curzel, Viviana; Bejarano, Noemí; Conci, Luis Rogelio (Springer, 2013-04)
      Peach (Prunus persica L.) plants with symptoms of yellowing, reddening, curling and leaf necrosis, premature defoliation and internode shortening were observed in production fields in Jujuy province (Argentina). A phytoplasma ...
    • Draft Genome Sequence of " Candidatus Phytoplasma pruni" (X-Disease Group, Subgroup 16SrIII-B) Strain ChTDIII from Argentina 

      Fernandez, Franco Daniel; Zübert, Christina; Huettel, Bruno; Kube, Michael; Conci, Luis Rogelio (American Society for Microbiology, 2020-08-24)
      Herein, we report the draft genome sequence of “Candidatus Phytoplasma pruni” strain ChTDIII (subgroup 16SrIII-B). The final assembly consists of 790,517 nucleotides organized in 67 contigs (minimal size, 1 kb), with a G+C ...
    • Evolution of SARS-CoV-2 during the first year of the COVID-19 pandemic in Northwestern Argentina 

      Zambrana Montaño, Romina; Culasso, Andrés Carlos Alberto; Fernandez, Franco Daniel; Marquez, Nathalie; Debat, Humberto Julio; Salmerón, Mariana; Zamora, Ana María; Ruíz de Huidobro, Gustavo; Costas, Dardo; Alabarse, Graciela; Charre, Miguel Alejandro; Fridman, Ariel David; Mamani, Claudia; Vaca, Fabiana; Maza Diaz, Claudia; Raskovsky, Viviana; Lavaque, Esteban; Lesser, Veronica; Cajal, Pamela; Agüero, Fernanda; Calvente, Cintia; Torres, Carolina; Viegas, Mariana (Elsevier, 2022-09-28)
      Studies about the evolution of SARS-CoV-2 lineages in different backgrounds such as naive populations are still scarce, especially from South America. This work aimed to study the introduction and diversification pattern ...
    • First report of a ‘Candidatus phytoplasma pyri’ strain in Argentina 

      Fernandez, Franco Daniel; Marini, Diana Beatriz; Farrando, Roberto Jes; Conci, Luis Rogelio (Springer, 2017-12)
      During the 2015 growing season, peach plants (Prunus persica) showing chlorotic, curling leaves and midrib thickening were detected in production fields in Mendoza province (Midwest region, Argentina). These symptoms ...
    • First report of Maize striatemosaic virus, a mastrevirus infecting Zea mays in Argentina 

      Ruiz Posse, Agustina María; Fernandez, Franco Daniel; Reyna, Pablo Gastón; Nome Docampo, Claudia; Torrico Ramallo, Ada Karina; Gimenez Pecci, María De La Paz; Rodriguez Pardina, Patricia (Wiley, 2023-06-23)
      During 2021, sweet corn plants cultivated for human consumption in a 400-ha area in Santa Fe province, Argentina, showed severe virus-like symptoms, including marked dwarfism, plant deformation, nerval or internerval vein ...
    • First report of Xanthomonas prunicola causing bacterial leaf streaks on wheat in Argentina 

      Martino, Julia Andrea; Fernandez, Franco Daniel; Pozzi, Elizabeth Alicia; Alberione, Enrique Javier; Bainotti, Carlos Tomas; Marquez, Nathalie; Tolocka, Patricia; Salines, Nicolas; Gomez, Dionisio Tomas; Donaire, Guillermo Manuel; Conci, Luis Rogelio; Alemandri, Vanina Maria (American Phytopathological Society, 2022-06-13)
      Since 2018, bacterial-like symptoms, such as leaf streaks were observed on wheat plants (Triticum aestivum L.) in Córdoba province in Argentina, with 1 to 5% of disease incidence. Samples of wheat stem and spike collected ...
    • First report of ‘Candidatus Phytoplasma pyri’-related strain causing pear decline in Argentina 

      Fernandez, Franco Daniel; Conci, Luis Rogelio (Elsevier, 2019-07)
      Pear decline (PD) is an important disease affecting pear production worldwide and “Candidatus Phytoplasma pyri” (subgroup 16SrX-C) is the etiological agent of this disease. In Argentina, typical symptomatology of PD ...
    • Genetic diversity of 16SrIII group phytoplasmas in Argentina. Predominance of subgroups 16SrIII-J and B and two new subgroups 16SrIII-W and X 

      Galdeano, Ernestina; Guzman, Fabiana; Fernandez, Franco Daniel; Conci, Luis Rogelio (Springer, 2013-12)
      Twelve Argentinean 16SrIII (X-disease)-group phytoplasma strains were analyzed. Ten of them, detected in daisy (Bellis perennis), garlic (Allium sativum), ‘lagaña de perro’ (Caesalpinia gilliesii), periwinkle (Catharanthus ...
    • Identification and molecular characterization of a phytoplasma associated with sunflower in Argentina 

      Guzmán, Fabiana; Giolitti, Fabian; Fernandez, Franco Daniel; Nome Docampo, Claudia; Lenardon, Sergio Luis; Conci, Luis Rogelio (Springer, 2014-04)
      Sunflower (Helianthus annuus L.) plants showing capitulum with virescence, phyllody and flower malformation, shortened internodes and abnormal branches were found in a field in Pedro Luro (Buenos Aires province, Argentina). ...
    • Identification of three novel subgroups within the X-disease group phytoplasma associated with strawberry redness disease 

      Fernandez, Franco Daniel; Meneguzzi, Natalia; Conci, Luis Rogelio (2017-04)
      Strawberry plants showing symptoms of lethal redness disease were found in production fields located in Tucumán province, Argentina. The presence of phytoplasmas was confirmed by PCR of 16S rDNA gene using phytoplasma ...
    • Interfase producción frutal-Colonia Caroya: un camino hacia una fruticultura sustentable y de sanidad controlada. 

      Dal Zotto, Angelica; Cordes, Diego Darío; Grion, Adolfo; Pastor, Silvina Estela; Tolocka, Patricia; Fernandez, Franco Daniel; Taborda, Ricardo; Haelterman, Raquel Mercedes; Conci, Luis Rogelio (Ediciones INTA, 2018)
      Colonia Caroya, situada 50 km al Norte de la provincia de Córdoba, se caracteriza por la producción de cultivos intensivos: viñedos, frutales, hortícolas y oleaginosas. Estas producciones se llevan a cabo en fincas ...
    • Molecular characterization of a phytoplasma of the ash yellows group occurring in strawberry (Fragaria x ananassa Duch.) plants in Argentina 

      Fernandez, Franco Daniel; Conci, Vilma Cecilia; Kirschbaum, Daniel Santiago; Conci, Luis Rogelio (2013-01)
      Strawberry (Fragaria x ananassa Duch. cv. Camino Real) plants showing phyllody symptoms were detected in production fields in Bella Vista (Corrientes province, Argentina). DNA from all symptomatic samples analyzed yielded ...