Manchas necróticas en hojas de plantas adultas de cacao (Theobroma cacao L.) causadas por Rhizoctonia sp.

Leaf spots different from those caused by known cacao diseases were found at Turrialba and other locations in Costa Rica. Rhizoctonia sp., was consistently isolated from affected leaves. The symptoms consist of round to irregular brown to black lesions and were reproduced in disease free leaves inoc...

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Main Author: Salas, A.
Format: Artículo
Language:Español
Published: Instituto Interamericano de Ciencias Agrícolas (IICA) 2025
Subjects:
Online Access:https://repositorio.catie.ac.cr/handle/11554/13798
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author Salas, A.
author_browse Salas, A.
author_facet Salas, A.
author_sort Salas, A.
collection Repositorio CATIE
description Leaf spots different from those caused by known cacao diseases were found at Turrialba and other locations in Costa Rica. Rhizoctonia sp., was consistently isolated from affected leaves. The symptoms consist of round to irregular brown to black lesions and were reproduced in disease free leaves inoculated with cultures of Rhizoctonia isolate. Rhizoctonia sp. was recuperated from these lesions. There is no previous report of Rhizoctonia causing a cacao leaf disease.
format Artículo
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institution Centro Agronómico Tropical de Investigación y Enseñanza
language Español
publishDate 2025
publishDateRange 2025
publishDateSort 2025
publisher Instituto Interamericano de Ciencias Agrícolas (IICA)
publisherStr Instituto Interamericano de Ciencias Agrícolas (IICA)
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spelling RepoCATIE137982025-08-28T00:51:05Z Manchas necróticas en hojas de plantas adultas de cacao (Theobroma cacao L.) causadas por Rhizoctonia sp. Salas, A. Theobroma cacao||Theobroma cacao||Theobroma cacao||Theobroma cacao Rhizoctonia||Rhizoctonia||Rhizoctonia||Rhizoctonia Enfermedad fungosa||fungal diseases||doença fúngica||maladie fongique Necrosis||necrosis||necrose||nécrose Síntoma||symptoms||sintoma||symptome Costa Rica||Costa Rica||Costa Rica||Costa Rica Sede Central Leaf spots different from those caused by known cacao diseases were found at Turrialba and other locations in Costa Rica. Rhizoctonia sp., was consistently isolated from affected leaves. The symptoms consist of round to irregular brown to black lesions and were reproduced in disease free leaves inoculated with cultures of Rhizoctonia isolate. Rhizoctonia sp. was recuperated from these lesions. There is no previous report of Rhizoctonia causing a cacao leaf disease. 2025-08-26T20:00:26Z 2025-08-26T20:00:26Z 1962-04 Artículo https://repositorio.catie.ac.cr/handle/11554/13798 openAccess es Turrialba; Vol.12, no. 2 3 páginas application/pdf Instituto Interamericano de Ciencias Agrícolas (IICA)
spellingShingle Theobroma cacao||Theobroma cacao||Theobroma cacao||Theobroma cacao
Rhizoctonia||Rhizoctonia||Rhizoctonia||Rhizoctonia
Enfermedad fungosa||fungal diseases||doença fúngica||maladie fongique
Necrosis||necrosis||necrose||nécrose
Síntoma||symptoms||sintoma||symptome
Costa Rica||Costa Rica||Costa Rica||Costa Rica
Sede Central
Salas, A.
Manchas necróticas en hojas de plantas adultas de cacao (Theobroma cacao L.) causadas por Rhizoctonia sp.
title Manchas necróticas en hojas de plantas adultas de cacao (Theobroma cacao L.) causadas por Rhizoctonia sp.
title_full Manchas necróticas en hojas de plantas adultas de cacao (Theobroma cacao L.) causadas por Rhizoctonia sp.
title_fullStr Manchas necróticas en hojas de plantas adultas de cacao (Theobroma cacao L.) causadas por Rhizoctonia sp.
title_full_unstemmed Manchas necróticas en hojas de plantas adultas de cacao (Theobroma cacao L.) causadas por Rhizoctonia sp.
title_short Manchas necróticas en hojas de plantas adultas de cacao (Theobroma cacao L.) causadas por Rhizoctonia sp.
title_sort manchas necroticas en hojas de plantas adultas de cacao theobroma cacao l causadas por rhizoctonia sp
topic Theobroma cacao||Theobroma cacao||Theobroma cacao||Theobroma cacao
Rhizoctonia||Rhizoctonia||Rhizoctonia||Rhizoctonia
Enfermedad fungosa||fungal diseases||doença fúngica||maladie fongique
Necrosis||necrosis||necrose||nécrose
Síntoma||symptoms||sintoma||symptome
Costa Rica||Costa Rica||Costa Rica||Costa Rica
Sede Central
url https://repositorio.catie.ac.cr/handle/11554/13798
work_keys_str_mv AT salasa manchasnecroticasenhojasdeplantasadultasdecacaotheobromacacaolcausadasporrhizoctoniasp