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AZANIA, Carlos Alberto Mathias et al. Oil fusel application on the sugarcane chemical eradication and its effect on sunflower sequential crop. Bragantia [online]. 2010, vol.69, n.3, pp.581-590. ISSN 0006-8705.

The fusel oil is the only residue of sugarcane industry that is not used in agriculture, thus the work has started involving use in agriculture, showing the herbicide potential. The study investigated the sugarcane ratoons eradication under different fusel oil concentrations, sprayed and applied under soil and the sunflower succession. The study was conducted in Ribeirão Preto region, State of São Paulo, Brazil, from 2006 to 2007, in a completely randomized design with 3 replications. The first stage consisted of 22 treatments arranged in a factorial arrangement 7 x 3 consists of the fusel oil concentrations (6.5, 12, 25, 50, 75 and 100%) and glyphosate (2520 g ha-1) and the water volumes (250 , 350, and 450 L ha-1) with additional check; the second stage was composed of 12 treatments (0, 0.1, 0.5, 01, 05, 10, 25, 50, 75, 100, 125, 150 m-3 ha-1) and the third stage of 8 treatments (05, 10, 25, 50, 75, 100, 125, 150 m-3 ha-1). The fusel oil applied by sprayed on the sugarcane did not eradicated the ratoons, but the application directly on the soil eradicated the ratoons and did not damage the sunflower plants development sowed in succession.

Keywords : Saccharum spp.; Helianthus annuus; agroindustrial residue; ratoons.

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