Now showing items 235-254 of 537

    • First report of Berkeleyomyces basicola (synonymous: Thielaviopsis basicola) on roots of sweet potato (Ipomoea batatas (L.) Lam) in Argentina 

      Martino, Julia Andrea; Di Feo, Liliana Del Valle; Paccioretti, Mauro Andres; Contardi, Clara Adriana; Sanchez, Miguel Alejandro; Ortega, Leandro Ismael; Pastor, Silvina Estela (Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, 2021-07-07)
      Symptomatic sweet potato cv Arapey INIA samples were collected from a commercial production field in Colonia Molina, Guaymallén department, Mendoza province, Argentina. They showed dark rounded lesions, sometimes coalescing ...
    • First Report of Cladode Brown Spot in Cactus Prickly Pear Caused by Neofusicoccum batangarum in Brazil 

      Conforto, Erica Cinthia; Bernanrdi Lima, Nelson; Garcete-Gómez, J. M.; Câmara, M. P. S.; Michereff, S. J. (American Phytopathological Society, 2016-03-18)
      Cactus prickly pear (Nopalea cochenilifera) cladodes showing brown spot symptoms were collected of 18 fields of the State of Pernambuco, northeastern Brazil, from March to June 2014. The symptoms were prevalent in 100% of ...
    • First report of Cladosporium cladosporioides causing leaf spot on tomato in Mexico 

      Robles Yerena, Leticia; Ayala Escobar, Victoria; Leyva Mir, Santos Gerardo; Bernardi Lima, Nelson; Camacho Tapia, Moisés; Tovar Pedraza, Juan Manuel (Springer, 2019-01)
      During 2017, a severe leaf spot disease was observed in a tomato greenhouse in Texcoco, Estado de México, Mexico. Symptoms on leaves included yellow irregular lesions on adaxial surfaces, whereas intense grayish brown ...
    • First report of cowpea mild mottle virus in chia (Salvia hispanica) 

      Celli, Marcos Giovani; Perotto, Maria Cecilia; Merino, Maria Alicia; Nome Docampo, Claudia; Flores, Ceferino Rene; Conci, Vilma Cecilia (2016)
      Chia (Salvia hispanica), a herbaceous plant of Lamiaceae family, has gained popularity due to its high concentrations of health-beneficial Omega-3 fatty acids. Plants showing different virus-like symptoms were observed ...
    • First report of Cymbidium mosaic virus and Odontoglossum ring spot virus in Argentina 

      Cánovas, Silvina Edith; Ballari, María Celeste; Nome Docampo, Claudia (Springer, 2016-09)
      Oncidium Sharry Baby orchids from nursery greenhouses in Buenos Aires, Argentina with viral symptoms were processed for transmission electron microscope observations. Two types of viral particles, morphologically different, ...
    • First report of grapevine Pinot gris virus infecting grapevine in Argentina 

      Debat, Humberto Julio; Luna,Facundo; Moyano, Sabrina Noé; Zavallo, Diego; Asurmendi, Sebastian; Gomez Talquenca, Gonzalo (Springer, 2020-07)
      Fourteen viruses have been associated to grapevine in Argentina (Debat et al. 2020; Luna et al. 2019). Grapevine Pinot gris virus (family Betaflexiviridae; genus Trichovirus, GPGV) was originally described in Italy and ...
    • First report of grapevine virus E infecting grapevine in Argentina 

      Debat, Humberto Julio; Zavallo, Diego; Luna, Facundo; Moyano, Sabrina Noé; Asurmendi, Sebastian; Gomez Talquenca, Sebastian (Springer, 2019-03-12)
      To investigate the occurrence of GVE in Argentina, a survey was conducted in grapevines from three regions (Mendoza’s North Oasis, East Zone and Uco Valley) of Mendoza province, Argentina, during the 2017/2018 season. ...
    • First report of group A rotavirus and bovine coronavirus associated with neonatal calf diarrhea in the northwest of Argentina 

      Bertoni, Emiliano Agustín; Aduriz Guerrero, Matías; Bok, Marina; Vega, Celina Guadalupe; Saif, Linda J.; Aguirre, Daniel Hector; Cimino, Rubén Oscar; Miño, Samuel; Parreño, Gladys Viviana (Springer, 2020-06)
      Group A rotavirus (RVA) and bovine coronavirus (BCoV) are the two main viral enteropathogens associated with neonatal calf diarrhea. The aim of the present survey was to investigate the epidemiology and the role of RVA and ...
    • First report of johnsongrass mosaic virus in Argentina 

      Trucco, Veronica Milagros; Cabrera Mederos, Dariel; Lenardon, Sergio Luis; Giolitti, Fabian (2019-11-21)
      Potyviruses are responsible for important economic losses in maize crop. This work reports the detection of johnsongrass mosaic virus, a potyvirus affecting maize in Argentina. Electron microscopy studies, mechanical ...
    • First report of Papaya ringspot virus infecting Carica papaya in Argentina 

      Cabrera Mederos, Dariel; Dal Zotto, Angelica; Galdeano, E.; Portal, O.; Giolitti, Fabian (Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti, Università di Bari, 2016-06-20)
      Papaya plants (Carica papaya L.) with severe leaf mosaic and deformation symptoms were observed and collected in the Formosa, Corrientes and Misiones provinces of northern Argentina. These symptoms were similar to those ...
    • First report of papaya ringspot virus w infecting momordica charantia in Cuba 

      Cabrera Mederos, Dariel; Giolitti, Fabian; Portal, O. (Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti, Università di Bari, 2015-01-16)
      During a survey conducted in July 2010, severe mosaic and deformations were observed on the leaves of cerasee (Momordica charantia) in Villa Clara, Cuba. The symptoms resembled those induced by Papaya ringspot virus (PRSV) ...
    • First report of raspberry bushy dwarf virus infecting raspberry in Argentina 

      Dal Zotto, Angelica; Cardozo, Andrea; Cabrera Mederos, Dariel; Nome Docampo, Claudia; Giolitti, Fabian; Cobelo, Claudia Monica (Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti, Università di Bari, 2017-11)
      In 2014-2015, raspberry (Rubus idaeus) cv. Autum bliss plants with dwarfism and foliar chlorosis were observed in commercial fields in parallel 42° in the Patagonia region of Argentina. Symptoms were similar to those ...
    • First report of rice stripe necrosis virus in Argentina 

      Maurino, María Fernanda; Gimenez Pecci, Maria de la Paz; Kruger, Raúl; Cúndom, María Águeda; Gutierrez, Susana Alejandra; Celli, Marcos Giovani (Elsevier, 2018-12)
      Since 2008/2009, we have seen symptoms of viral infection in rice plants from crop regions in Argentina. The main objective of this work was to identify the causal agent of the rice plants' crinkling. We therefore analyzed ...
    • First report of Rice stripe necrosis virus infecting rice in Sierra Leone 

      Tucker, M.J.; Celli, Marcos Giovani; Conteh, A.B.; Taylor, D.R.; Hébrard, E.; Poulicard, N. (Wiley, 2020-01-29)
      While Rice stripe necrosis virus (RSNV, Benyvirus, Benyviridae) has been reported on rice plants on two continents, little is known about the diversity of this multipartite virus which is transmitted by the plasmodiophorid ...
    • First report of Strawberry crinkle virus in Argentina 

      Perotto, Maria Cecilia; Luciani, Carlos; Celli, Marcos Giovani; Torrico Ramallo, Ada Karina; Conci, Vilma Cecilia (2014-08-07)
      Strawberry crinkle virus (SCV) is one of the most frequent viruses affecting strawberry worldwide, and responsible for important reductions in yield and fruit quality. Stunted dwarfed plants with distorted leaves were found ...
    • First Report of Tobacco Streak Virus Infecting Sunflower in Argentina 

      Cabrera Mederos, Dariel; Trucco, Veronica Milagros; Bejerman, Nicolas Esteban; Lenardon, Sergio Luis; Giolitti, Fabian (American Phytopathological Society, 2019-11-21)
      Sunflower (Helianthus annuus) is one of the main oleaginous crops in the world, and Argentina is positioned among the top sunflower seed producers worldwide (FAO 2019). During the 2018 to 2019 crop season, sunflower plants ...
    • First Report of White Thread Blight Caused by Ceratobasidium niltonsouzanum on Yerba Mate in Argentina 

      Bernanrdi Lima, Nelson; Kryvenki, Mario Angel; Conforto, Erica Cinthia; Serri, Dannae Lilia; Kramer, Rodrigo Gabriel; Roca, Mónica; Vargas Gil, Silvina (2019-12-18)
      Yerba mate (Ilex paraguariensis A.St.-Hil.) is a native species of the subtropical and temperate regions of South America. In the Misiones province, in northeastern Argentina, yerba mate is an important agricultural crop ...
    • 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 ...
    • FISH-mapping of the 5S rDNA locus in chili peppers (Capsicum-Solanaceae) 

      Aguilera, Patricia Mabel; Debat, Humberto Julio; Scaldaferro, Marisel Analia; Marti, Dardo Andrea; Grabiele, Mauro (2016)
      We present here the physical mapping of the 5S rDNA locus in six wild and fi ve cultivated taxa of Capsicum by means of a genus-specifi c FISH probe. In all taxa, a single 5S locus per haploid genome that persistently mapped ...
    • Floral nectaries of Heliocarpus popayanensis and Luehea divaricata (Malvaceae-Grewioideae): structure and ultrastructure 

      Lattar, Elsa C.; Galati, Beatriz Gloria; Carrera, Constanza Soledad; Ferrucci, María S. (2018-03)
      The structure and ultrastructure on floral nectaries of Heliocarpus popayanensis Kunth. and Luehea divaricata Mart (Malvaceae-Grewioideae) were investigated for the first time. The floral nectaries of the analysed species ...