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Especialización patogénica de Rhynchosporium secalis en los valles altos de México

The pathogenic variability of the barley scald fungus [Rhynchosporium secalis (Oud.) Davis] was studied using 26 isolates. The isolates came from various localities of the Central Region of Mexico. Five groups with different pathogenicity were identified according to the reaction of the varieties ´Z...

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Autores principales: Moreno, R., Vivar, H.
Formato: Artículo
Lenguaje:Español
Publicado: Instituto Interamericano de Cooperación para la Agricultura (IICA) 2025
Materias:
Rhynchosporium secalis||Rhynchosporium secalis||Rhynchosporium secalis||Rhynchosporium secalis
Hongo||Fungi||fungo||Champignon
Aislamiento||isolation||isolamento||isolement
Patogenicidad||pathogenicity||patogenicidade||pouvoir pathogène
Experimentación||experimentation||experimentação||expérimentation
Invernadero||greenhouses||estufa||serre
Factor ambiental||environmental factors||factor ambiental||facteur du milieu
Escaldadura||scald||escaldão do fruto||échaudure
México||Mexico||México (País)||Mexique
Sede Central
Acceso en línea:https://repositorio.catie.ac.cr/handle/11554/12833
Sumario:The pathogenic variability of the barley scald fungus [Rhynchosporium secalis (Oud.) Davis] was studied using 26 isolates. The isolates came from various localities of the Central Region of Mexico. Five groups with different pathogenicity were identified according to the reaction of the varieties ´Zoapila´, ´Osiris´, ´Trebi´and ´Wisconsin Winter x Glabron´ under greenhouse conditions. Environmental conditions, particularly temperature, affected the symptoms expression of some of the varieties used as differentials. Therefore the determination of pathogenic vaces should be done under controlled conditions.

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