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Avances en la epidemiología del “Marchitamiento de la remolacha” en regiones productoras de remolacha forrajera de Río Negro y Buenos Aires
Bongiorno, Vanina Aylén; Favere, Verónica Mariela; Baffoni, Patricia Andrea; Alessio, Florencia Ivette; Fernandez, Franco Daniel; Catalano, Inés; Conci, Luis Rogelio (Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2023-07)En Valle Medio e Inferior de Río Negro y en la región sur de la provincia de Buenos Aires se encuentra en expansión el cultivo de remolacha forrajera (Beta vulgaris var. rapacea) debido a que es una alternativa nutricional ... -
‘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 ... -
Complete genome sequence of Lettuce Witches’-Broom phytoplasma isolate LWB: a 16SrIII-X subgroup with expanding relevance in South America
Fernandez, Franco Daniel; Bongiorno, Vanina Aylén; Alessio, Florencia Ivette; Sananez, Inés; Macchiaroli, Natalia; Ingravidi, Marina Luz; Kamenetzky, Laura; Conci, Luis Rogelio (Springer, 2026-01-03)Phytoplasmas are non-cultivable, cell wall-less bacteria associated with a wide range of plant diseases worldwide and are transmitted by phloem-feeding insect vectors (Lee et al. 2000; Bertaccini et al. 2022). Traditionally, ... -
Draft Genome Sequence of ‘Candidatus Phytoplasma pyri’ Strain P1, the Causal Agent of Pear Decline Disease
Alessio, Florencia Ivette; Bongiorno, Vanina Aylén; von Backzo, Oscar Hernan; Marcone, Carmine; Conci, Luis Rogelio; Fernandez, Franco Daniel (The American Phytopathological Society, 2025-08-21)This study reports the draft genome of ‘Candidatus Phytoplasma pyri’ strain P1, isolated from Argentina. The genome assembly consisted of 17 contigs, with a total length of 575,431 bp, a GC content of 20.35%, and 125× ... -
¿Es el MaizeBushyStunt Phytoplasma (MBS) un jugador secundario en el complejo de achaparramientodel maíz? Datos de la campaña 2023-2024 en Argentina
Alessio, Florencia Ivette; Bongiorno, Vanina Aylén; Brandimarte, Maria Soledad; Quiroga, María; Ferrer Lanfranchi, Mariana; Torrico Ramallo, Ada Karina; Conci, Luis Rogelio; Fernandez, Franco Daniel (Asociación Argentina de Fitopatólogos (AAF), 2024-09-18)Durante la campaña 2023-2024, el achaparramiento del maíz (AM) ha representado una emergencia a nivel nacional en Argentina, con pérdidas estimadas de entre el 10-15% de la cosecha. Históricamente, esta problemática se ... -
First report of a 16SrIII-X phytoplasma associated with Lactuca sativa witches’-broom in Argentina
Fernandez, Franco Daniel; Carloni, Edgardo José; Alessio, Florencia Ivette; Bongiorno, Vanina Aylén; Conci, Luis Rogelio (Wiley, 2022)During the summer of 2022, symptoms of witches’-broom, flowering malformation and redness were observed in lettuce plants (Lactuca sativa) in fields in Cordoba Province, Argentina (Fig. 1a). In the same fields, garlic ... -
Genetic Diversity in Phytoplasmas from X-Disease Group Based in Analysis of idpA and imp Genes
Alessio, Florencia Ivette; Bongiorno, Vanina Aylén; Marcone, Carmine; Conci, Luis Rogelio; Fernandez, Franco Daniel (MDPI, 2025-05-21)Phytoplasmas of the X-disease group (16SrIII) are economically significant pathogens in South America, causing severe crop losses. Traditional classification based on the 16S rRNA gene has limitations in resolving closely ... -
Identificación y caracterización de insectos vectores del marchitamiento de la remolacha (Beta vulgaris), causado por el Fitoplasma 16sriii-j (X-disease)
Bongiorno, Vanina Aylén (Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, 2025-07-30)El cultivo de remolacha forrajera (Beta vulgaris subesp. vulgaris) ha adquirido importancia en los últimos años como una alternativa nutricional para la alimentación del ganado, particularmente en las regiones de Valle ... -
Paratanus exitiosus is a vector of the Fodder Beet Wilting Yellowing Phytoplasma (16SrIII-J)
Bongiorno, Vanina Aylén; Favere, Verónica Mariela; Catalano, Inés; Fernandez, Franco Daniel; Alessio, Florencia Ivette; Galdeano, Ernestina; Conci, Luis Rogelio (Springer, 2025-05-20)“Yellow Wilt Disease” has emerged as a significant disease of Fodder Beet (YWD) in Argentina, affecting cattle feeding and causing substantial economic losses. This disease is attributed to phytoplasmas, a group of wall-less ...