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Agronomía Mesoamericana
versión On-line ISSN 2215-3608versión impresa ISSN 1659-1321
Resumen
GARCES-FIALLOS, Felipe Rafael y FORCELINI, Carlos Alberto. Chemical control of soybean rust in the Planalto Medio, RS., Brazil. Agron. Mesoam [online]. 2011, vol.22, n.2, pp.387-395. ISSN 2215-3608.
Chemical control of soybean rust in the Planalto Medio, RS., Brazil. The objective of this work was to determine the effects of several fungicides on the control of the soybean Asian rust. The experiment was conducted at the experimental fields of the Faculty of Agronomy and Veterinary Medicine, University of Passo Fundo, RS, Brazil, during the summer of 2009/2010. The incidence and number of ureides/cm2, transformed to severity (%) were evaluated. The fungicides applied were tebuconazol and a mix of epoxiconazol + piraclostrobina, at seven developmental stages. Applications made before crop canopy closure were more effective because the fungicides reached the lower part of the plants where the disease starts. The mix of traizol + estrobirulina was more effective tan triazol alone in controlling soybean Asian rust
Palabras clave : Applications programs; triazol; strobylurin.