Temas 

Temas

Mostrando ítems 1-11 de 11

    • Anthracnose on alfalfa caused by Colletotrichum americae-borealis in Córdoba province, Argentina 

      Bernanrdi Lima, Nelson; Conforto, Erica Cinthia; Serri, Dannae Lilia; Campilongo Mancilla, Ernesto Javier; Stenglein, Sebastian; Vargas Gil, Silvina (Elsevier, 2021-06-06)
      Alfalfa is an important forage crop in Argentina, with a large area dedicated to its cultivation. However, plant diseases are a common cause of loss because they limit productivity and reduce forage quality. Anthracnose, ...

    • ‘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 ...

    • First confirmed report of Colletotrichum coccodes causing black dot on potato in Mexico 

      Pérez-Mora, Juan Luis; Cota-Rodríguez, David Alonso; Rodríguez-Palafox, Edgar Edel; García-León, Elizabeth; Beltrán-Peña, Hugo; Bernardi Lima, Nelson; Tovar Pedraza, Juan Manuel (Springer, 2020-04)
      During February and March 2019, black dot symptoms were observed on potato stems in a commercial field located in Ahome, Sinaloa, Mexico. Morphological and molecular approaches confirmed the identity of Colletotrichum ...

    • First Report of Anthracnose of Olive Fruit Caused by Colletotrichum theobromicola in Argentina 

      Bernanrdi Lima, Nelson; Pastor, Silvina Estela; Maza, Claudia Elizabeth; Conforto, Erica Cinthia; Vargas Gil, Silvina; Roca, Monica (American Phytopathological Society, 2020-01-31)
      The olive (Olea europaea L.), family Oleaceae, is an important crop in Argentina, mainly in the production of olive oils and table olives. In the country, that economic loss to the olive industry caused by anthracnose is ...

    • 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 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 ‘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 ...

    • 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 ...

    • Molecular characterization of the 5S rDNA non-transcribed spacer and reconstruction of phylogenetic relationships in Capsicum 

      Grabiele, Mauro; Aguilera, Patricia Mabel; Ducasse, Daniel Adrian; Debat, Humberto Julio (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2021)
      Capsicum includes ca. 41 species of chili peppers. In this original report we PCR amplified, cloned, sequenced and characterized the 5S rDNA non-transcribed spacer -NTS- in 23 taxa of nine clades of Capsicum, divergent at ...

    • Ocurrencia de Fusarium proliferatum causando marchitez de plantas de garbanzo en Tucumán, Argentina 

      Bernanrdi Lima, Nelson; Crociara, Clara Sonia; Fekete, Ana Cecilia; Maggio, Maria Elisa; Conforto, Erica Cinthia; Valetti, Lucio; Pastor, Silvina Estela (Asociación Argentina de Microbiología, 2019-11-14)
      En los últimos años, las exportaciones argentinas de garbanzo (Cicer arietinum) verificaron un incremento, pasando de un volumen promedio de 16.000 toneladas en la campaña 2009/2010 a un valor récord de 166.700 toneladas ...

    • Primeira caracterização molecular de nothopassalora personata na Argentina 

      Monguillot, Joaquín Humberto; Bernanrdi Lima, Nelson; Paredes, Juan Andrés; Rago, Alejandro Mario; Carmona, M.; Conforto, Erica Cinthia (Sociedade Brasileira de Fitopatología - SBF, 2021-08-24)
      Argentina é um dos maiores exportadores de amendoim do mundo. A pinta preta causada por Nothopassalora personata, é a doença foliar mais importante do mundo e responsável por perdas importantes na produção do amendoim. Os ...