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	Provedor de dados Trop. Plant Pathol. (1) Autor CRUSIUS,LUCIANO U. (1) FERNANDES,JOSÉ M.C. (1) FORCELINI,CARLOS A. (1) SANHUEZA,ROSA M.V. (1) Palavra-chave Colletotrichum (1) Disease forecast (1) Disease management (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2002 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Epidemiology of apple leaf spot Trop. Plant Pathol. CRUSIUS,LUCIANO U.; FORCELINI,CARLOS A.; SANHUEZA,ROSA M.V.; FERNANDES,JOSÉ M.C.. Apple leaf spot (ALS) caused by Colletotrichum spp. is a major disease of apple (Malus domestica) in Southern Brazil. The epidemiology of this disease was studied in experiments carried out in the counties of Passo Fundo and Vacaria, State of Rio Grande do Sul, from February 1998 to October 2000. The disease was found in all the six apple orchards sampled in the growing seasons of 1997/98 and 1998/99. The fungus isolates associated with ALS fit the characteristics of C. gloeosporioides (75%), C. acutatum (8%), and Colletotrichum sp. (17%). The pathogen overwintered in dormant buds and twigs but not in dropped leaves or fruit mummies. Two sprays of copper oxychloride (at 0.3%) reduced the fungus initial inoculum by 65-84.6% in buds and 85.6-93.7% in twigs,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Colletotrichum; Disease forecast; Disease management. Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-41582002000100010 Registros recuperados: 1 Primeira ... 1 ... Última

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