PERDA DE VIGOR EM MUDAS DE CAFÉ CONILON DEVIDO À APLICAÇÃO DE FUNGICIDA GRANULADO DE SOLO
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Data
2011
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Resumo
A ferrugem do cafeeiro (Hemileia vastatrix) é a doença com maior potencial de danos à lavoura cafeeira. Produtos diversificados estão disponíveis para o seu controle, por exemplo, temos fungicidas sistêmicos de fórmula granulada de aplicação via solo, como o tiametoxam-ciproconazol. Existe um fator secundário associado aos granulados de solo chamado de ‘efeito tônico’ que se caracteriza pela promoção de um alto vigor na planta, aumentando o enfolhamento e também o tom de verde das folhas. Todavia, este efeito tonificador pode provocar distúrbios metabólicos na planta. Objetivou-se com este trabalho, avaliar a influência da aplicação de fungicida granulado de solo (tiametoxam-ciproconazol) no vigor de mudas de clones de café conilon que compõem a cultivar ‘Vitória Incaper 8142’, em casa de vegetação. Todos os clones, cultivados em casa de vegetação, apresentaram redução de vigor vegetativo quando da aplicação do fungicida granulado de solo.
Coffee leaf rust (Hemileia vastatrix) is the disease with greater potential for damage to coffee plantations. Diversified products are available for its control, for example, there are fungicides of granular from to application in the soil, such as thiamethoxam-cyproconazole. There is a secondary effect associated with those products called 'tonic effect' which is characterized by the promotion of a high vigor at the plant, increasing the foliage and also the green tone of the leaves. However, this tonic effect can cause metabolic problems in the plant. The objective of this study was to evaluate the influence of the application of a granular fungicide for soil (thiamethoxam-cyproconazole) in the vigor of seedlings of conilon coffee clones that compose the cultivar 'Vitória Incaper 8142', in greenhouse conditions. All the clones, grown in greenhouse, showed a reduction in their vigor when the application of the granular fungicide was done.
Coffee leaf rust (Hemileia vastatrix) is the disease with greater potential for damage to coffee plantations. Diversified products are available for its control, for example, there are fungicides of granular from to application in the soil, such as thiamethoxam-cyproconazole. There is a secondary effect associated with those products called 'tonic effect' which is characterized by the promotion of a high vigor at the plant, increasing the foliage and also the green tone of the leaves. However, this tonic effect can cause metabolic problems in the plant. The objective of this study was to evaluate the influence of the application of a granular fungicide for soil (thiamethoxam-cyproconazole) in the vigor of seedlings of conilon coffee clones that compose the cultivar 'Vitória Incaper 8142', in greenhouse conditions. All the clones, grown in greenhouse, showed a reduction in their vigor when the application of the granular fungicide was done.
Descrição
Trabalho apresentado no Simpósio de Pesquisa dos Cafés do Brasil (7. : 2011 : Araxá, MG). Anais Brasília, D.F: Embrapa - Café, 2011
Palavras-chave
Controle químico, Coffea canephora, Hemileia vastatrix, vigor., Chemical control, Coffea canephora, Hemileia vastatrix, vigor.
Citação
Martins, Lima Deleon; Danatelli Junior, Érido Jose; Tomaz, Marcelo Antonio; Souza, Antonio Fernando de; Jesus Junior, Waldir Cintra de; Rodrigues, Wagner Nunes; Candido, Amarilson de Oliveira. Perda de vigor em mudas de café Conilon devido à aplicação de fungicida granulado de solo. In: Simpósio de Pesquisa dos cafés do Brasil (7. : 2011 : Araxá, MG). Anais Brasília, D.F: Embrapa - Café, 2011 (1 CD-ROM), 5p.