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Título: | Effective resistance management with soybean rust: Modes of action used and management strategies. |
Autor: | GODOY, C. V. |
Afiliación: | CLAUDIA VIEIRA GODOY, CNPSO. |
Año: | 2015 |
Referencia: | INTERNATIONAL CONGRESS OF PESTICIDE CHEMISTRY, 13., 2015, San Francisco. |
Descripción: | Asian soybean rust is a serious disease caused by Phakopsora pachyrhizi. Several strategies have been adopted in Brazil to manage this disease including: (i) the host-free period, a period of 60 to 90 days from July to September during which farmers are restricted from planting soybean; (ii) growers are advised to plant early maturing group cultivars in the beginning of the season and reduce the sowing window to help the host evade the pathogen; (iii) cultivars with Rpp genes are available and are recommended with fungicide; and (iv) fungicides applied preventively or in the first symptoms. More than 100 different fungicidal products are currently labeled for managing rust in Brazil. A weaker efficacy of straight triazoles compounds was observed from 2006/07. Since 2009, only premix of DMI-QoI fungicides have been recommended to control rust. In 2013 the first mixture with SDHI compound was labeled for soybean rust. |
Palabras clave: | Ferrugem asiática da soja |
Tipo de Material: | Resumo em anais e proceedings |
Acceso: | openAccess |
Aparece en las colecciones: | Resumo em anais de congresso (CNPSO) |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
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effective.claudia.2015.pdf | 46,73 kB | Adobe PDF | Visualizar/Abrir |