First report of cassava leaf blight caused by Rhizoctonia solani AG-1 IA.
First report of cassava leaf blight caused by Rhizoctonia solani AG-1 IA.
Author(s): SIVIERO, A.; MACEDO, P. E. F. de; MOREIRA, G. T. S.; NECHET, K. de L.; COELHO, R. M. S.; HALFELD-VIEIRA, B. de A.
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.
Publication year: 2019
Types of publication: Journal article
Unit: Embrapa Acre
Keywords: Acre, Amazonia Occidental, Amazônia Ocidental, Cassava, Doença Fúngica, Enfermedades fungales de las plantas, Firts record, Fungal diseases of plants, Leaf blight, Mancha Foliar, Mandioca, Manihot Esculenta, Marchitez foliar, Mâncio Lima (AC), Primeiro registro, Primer registro, Rhizoctonia Solani, Thanatephorus Cucumeris, Western Amazon, Yuca
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