Fecha/hora: 16/06/2024 03:13:19

Biblioteca(s): | INIA La Estanzuela.
Tipo de la producción científica: | Capítulo en Libro Técnico-Científico
Fecha corriente: | 10/09/2014
Fecha de la última actualización: | 04/10/2019
Autoria: | UMPIÉRREZ M.; GARMENDIA G.; CABRERA M.; PEREYRA, S.; VERO, S.
Afiliación: | SILVIA ANTONIA PEREYRA CORREA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay.
Título: | Diversity of pathogen populations causing Fusarium head blight of wheat in Uruguay.
Año de publicación: | 2013
Fuente/Imprenta: | In ALCONADA MAGLIANO, T.M.; CHULZE, S.N. (Ed.). Fusarium Head Blight in Latin America. Dordrecht, NL: Springer, 2013. p. 31-44, 2013
ISBN: | 978-94-007-7091-1
DOI: | 10.1007/978-94-007-7091-1_3
Idioma: | Inglés
Notas: | Article history: First Online: 01 August 2013.

Contenido:

ABSTRACT.
Members of the Fusarium graminearum species complex (FGSC) are the primary pathogens causing Fusarium head blight (FHB), Fusarium graminearum is the main pathogen of FHB and can produce various mycotoxins in wheat, in particular type B trichothecenes. This review presents information on the Fusarium species and chemotypes diversity associated to FHB in wheat in Uruguay. In surveys performed in 2001 and 2002, Fusarium graminearum was the most frequently isolated species (76 %), while other non FGSC species were also identified. Among species from FGSC Fusarium graminearum sensu stricto was the most frequently isolated (97 %), while F. cortaderiae and F. austroamericanum were also identified. The predominant chemotype was 15ADON (95 %), followed by 3ADON (3 %) and NIV (2 %). Isolates identified as F. graminearum sensu stricto were characterized according to the levels of DON production, the aggressiveness on different wheat cultivars, the ability to form perithecia on wheat straw. The sensitiveness to the fungicide tebuconazole of FGSC isolates was evaluated. Most isolates showed high sensitivity levels, but a few resisted higher levels of fungicide. Lower sensitivity seemed to be tied to species since F. cortaderiae isolates showed the highest MIC values.

Palabras-Clave: | AGRESSIVENESS; FUSARIUM ASIATICUM; FUSARIUM AUSTROAMERICANUM; FUSARIUM BRASILICUM; FUSARIUM CORTADERIAE; FUSARIUM GRAMINEARUM; FUSARIUM GRAMINEARUM SPECIES COMPLEX; MYCOTOXINS; TRITCUM.
Thesagro: | CULTIVOS DE INVIERNO; FITOPATOLOGÍA.
Categoría del tema: | H20 Enfermedades de las plantas
Registro original: | INIA La Estanzuela (LE)
Ejemplares: | LE - (100044-1) - PXI - PL - DD -  -  -  - DIS