Data/hora: 11/06/2024 05:19:40

Biblioteca(s): | Embrapa Unidades Centrais.
Data corrente: | 29/09/2011
Data da última atualização: | 11/04/2018
Autoria: | SPOLTI, P.; VALDEBENITO-SANHUZA, R. M.; GLEASON, M. L.; DEL PONTE, E. M.
Afiliação: | Piérri Spolti, Universidade Federal do Rio Grande do Sul, Faculdade de Agronomia; Rosa Maria Valdebenito?Sanhueza, Proterra Engenharia Agronômica; Mark Lawrence Gleason, Iowa State University, Department of Plant Pathology; Emerson Medeiros Del Ponte, Universidade Federal do Rio Grande do Sul, Faculdade de Agronomia.
Título: | Sooty blotch and flyspeck control with fungicide applications based on calendar, local IPM, and warning system.
Ano de publicação: | 2011
Fonte/Imprenta: | Pesquisa Agropecuária Brasileira, Brasília, DF, v. 46, n. 7, p. 697-705, jun. 2011
Idioma: | Inglês
Notas: | Título em português: Controle de fuligem e sujeira?de?mosca com aplicações de fungicidas baseadas em calendário, MIP local e sistema de alerta
Conteúdo: | 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.
Palavras-Chave: | Disease forecasting; Fungicide management; Integrated pest managemet.
Thesagro: | Malus domestica.
Categoria do assunto: | --
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/42641/1/46n07a04.pdf
Registro original: | Embrapa Unidades Centrais (AI-SEDE)
Exemplares: | AI-SEDE - (51615-1) - UPE - AP - PP - 630.72081 - P474 -  - DIS