First report of cassava leaf blight caused by Rhizoctonia solani AG-1 IA.

Cassava (Manihot esculenta) plants were observed in the Amazon region showing extensive leaf blight. The identity of the pathogen was confirmed based on morphological characteristics and the sequence of ITS region of the rDNA. Koch's postulates were fulfilled and pathogenicity was demonstrated....

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Bibliographic Details
Authors: SIVIERO, A., MACEDO, P. E. F. de, MOREIRA, G. T. S., NECHET, K. de L., COELHO, R. M. S., HALFELD-VIEIRA, B. de A.
Format: article
Status:Published version
Publication Date:2019
Country:Brasil
Institution:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
Repository:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)
Language:English
OAI Identifier:oai:www.alice.cnptia.embrapa.br:doc/1111611
Online Access:http://www.alice.cnptia.embrapa.br/alice/handle/doc/1111611
Access Level:Open access
Keyword:Yuca
Primeiro registro
Enfermedades fungales de las plantas
Marchitez foliar
Firts record
Primer registro
Mâncio Lima (AC)
Acre
Amazônia Ocidental
Western Amazon
Amazonia Occidental
Mandioca
Manihot Esculenta
Doença Fúngica
Mancha Foliar
Rhizoctonia Solani
Thanatephorus Cucumeris
Cassava
Fungal diseases of plants
Leaf blight
Description
Summary:Cassava (Manihot esculenta) plants were observed in the Amazon region showing extensive leaf blight. The identity of the pathogen was confirmed based on morphological characteristics and the sequence of ITS region of the rDNA. Koch's postulates were fulfilled and pathogenicity was demonstrated. Cassava leaf blight, caused by Rhizoctonia solani AG-1 IA, is reported for the first time in Brazil.