Eficacia de haloxifop-r-metil con distintos coadyuvantes
; Magliano, María Florencia ; Menapace, Pablo Conrado ; Scotta, Roberto Ricardo Otros responsables
Fecha
10/2018
Editorial
Universidad Nacional del Litoral. Facultad de Cencias Agrarias
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Fave
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Institución organizadora
ISSN
1666-7719
eISSN
2346-9129
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Español
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Resumen
En Argentina se han confirmado trece biotipos de malezas resistentes a glifosato, ocho son gramíneas y para su control se recomiendan herbicidas como haloxifop-R-metil con el agregado de aceite mineral. En el mercado se ofrecen otros aditivos para sustituir el aceite mineral que tendrían igual o mayor efectividad y menores costos. El objetivo de este trabajo fue evaluar la eficacia de haloxifop-R-metil con diferentes coadyuvantes (aceite mineral, nonilfenol etoxilado, ésteres metílicos de aceites vegetales, alcohol lineal etoxilado y alcohol oxo polioxietilenado) sobre avena 40 días después de la siembra. Se determinó la eficacia mediante la evaluación de la senescencia y peso seco de las plantas. La mejor acción herbicida de haloxifop-R-metil fue con el agregado de aceite mineral.
In Argentina, thirteen biotypes of glyphosate-resistant weeds have been confi rmed, eight of these are grasses. To control grassy weeds herbicides such as haloxifop-R-methyl with the addition of mineral oil is recommended. Other additives to replace the mineral oil are currently offered in the market with equal or greater effi cacy and lower costs. The aim of this work was to evaluate the effi - cacy of haloxifop-R-methyl with different adjuvants (mineral oils, ethoxylated nonylphenol, methyl esters of vegetable oil, ethoxylated linear alcohol and oxo polyoxyethylenated alcohol), applied in oats 40 days after sowing. Effi cacy was determined by senescence and dry weight of the plants. The best herbicide action of haloxifop-R-methyl was with the use of mineral oil as an additive.
In Argentina, thirteen biotypes of glyphosate-resistant weeds have been confi rmed, eight of these are grasses. To control grassy weeds herbicides such as haloxifop-R-methyl with the addition of mineral oil is recommended. Other additives to replace the mineral oil are currently offered in the market with equal or greater effi cacy and lower costs. The aim of this work was to evaluate the effi - cacy of haloxifop-R-methyl with different adjuvants (mineral oils, ethoxylated nonylphenol, methyl esters of vegetable oil, ethoxylated linear alcohol and oxo polyoxyethylenated alcohol), applied in oats 40 days after sowing. Effi cacy was determined by senescence and dry weight of the plants. The best herbicide action of haloxifop-R-methyl was with the use of mineral oil as an additive.
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