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Provedor de dados:  Repositório Alice
País:  Brazil
Título:  Sooty blotch and flyspeck control with fungicide applications based on calendar, local IPM, and warning system.
Autores:  SPOLTI, P.
VALDEBENITO-SANHUZA, R. M.
GLEASON, M. L.
PONTE, E. M. D.
Data:  2011-09-29
Ano:  2011
Palavras-chave:  Disease forecasting
Fungicide management
Integrated pest managemet
Malus domestica
Resumo:  The objective of this work was to compare fungicide application timing for the control of sooty blotch and flyspeck (SBFS) of 'Fuji' apples in Rio Grande do Sul state, Brazilarning system-based (modified version of the Brown-Sutton-Hartmann system) spray of captan plus thiophanate methyl, with or without summer pruning; two calendar/rain-based spray of captan or a mixture of captan plus thiophanate methyl; fungicide spray timing based on a local integrated pest management (IPM) for the control of summer diseases; and a check without spraying. Sooty blotch and flyspeck incidence over time and their severity at harvest were evaluated. The highest number of spray was required by calendar/rain-based treatments (eight and seven sprays in the sequential years). The warning system recommended five and three sprays, in the sequential years, which led to the highest SBFS control efficacy expressed by the reduced initial inoculum and disease progress rate. Summer pruning enhanced SBFS control efficacy, especially by suppressing SBFS signs which tended to be restrained to the peduncle region of the fruit. Sooty blotch and flyspeck can be managed both with calendar and the grower-based IPM practices in Brazil, but a reduced number of sprays is required when the warning system is used.

2011
Tipo:  Artigo em periódico indexado (ALICE)
Idioma:  Inglês
Identificador:  51615

http://www.alice.cnptia.embrapa.br/handle/doc/901792

http://ainfo.cnptia.embrapa.br/digital/bitstream/item/42641/1/46n07a04.pdf
Editor:  Pesquisa Agropecuaria Brasileira, Brasília, v.46, n.7, p.697-705, jun. 2011
Relação:  Área de Informação da Sede - Artigo em periódico indexado (ALICE)
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