Seleção de Fungicidas para Controle de Oídio em Eucalipto

Rafaela Mazur Bizi; Albino Garcia Grigoletti Júnior; Celso Garcia Auer

Selection of Fungicides for Control of Eucalypt Powdery Mildew

Authors

Rafaela Mazur Bizi Universidade Federal do Paraná
Albino Garcia Grigoletti Júnior Embrapa Florestas
Celso Garcia Auer Embrapa Florestas

Keywords:

Chemical control, disease, Eucalyptus benthamii

Abstract

The objective of this study was to find effective fungicides against eucalypt powdery mildew. Fungicides tested were chlorothalonil, fenarimol, sulfur, tebuconazole, propiconazole, benzothiazole, pyraclostrobin + epoxiconazole and triadimenol. These fungicides were sprayed on Eucalyptus benthamii seedlings in a greenhouse infested with powdery mildew. Severity was evaluated at 9, 16, 23, 30 and 37 days after spraying, classifying symptoms observed with a scale 0 (symptoms absent) to 4 (strong symptoms). Best treatments were obtained with pyraclostrobin + epoxiconazole, propiconazole + trifloxystrobin and triadimenol, with an infection index average of 0.39, 0.63 and 1.01, respectively.

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BIZI, Rafaela Mazur; GRIGOLETTI JÚNIOR, Albino Garcia; AUER, Celso Garcia. Selection of Fungicides for Control of Eucalypt Powdery Mildew. Pesquisa Florestal Brasileira, [S. l.], n. 51, p. 165, 2011. Disponível em: https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/234. Acesso em: 11 may. 2024.

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No. 51 (2005): jul./dez.

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Scientific Notes

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Selection of Fungicides for Control of Eucalypt Powdery Mildew

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