Alternativas al propanil para controlar Echinochloa colona (L.) Link en arroz de temporal
DOI:
https://doi.org/10.15517/am.v20i1.4986Keywords:
Herbicidas, cihalofop-butilo, bispi ribac-sodio, clomazone, pendimetalina, Herbicides cyhalofop-butyl, bispyribac-sodium, pendimethalinAbstract
En junio de 2007, se estableció un experimento en Tres Valles, Veracruz, México, con el objetivo de determinar la efectividad de diferentes herbicidas, solos y en mezcla en el arroz de temporal. Se evaluaron 14 tratamientos: cihalofop-butilo (315 y 360 g ia/ha), bispi ribac-sodio (22 y 30 g ia/ha), propanil (2.160 y 2.880 g ia/ha), cihalofop-butilo + clomazone (315 + 480 g ia/ha), cihalofop-butilo + pendimetalina (315 + 1.188 g ia/ha), bispi ribac-sodio + clomazone (22 + 480 g ia/ha), bispi ribac-sodio + pendimetalina (22 + 1.188 g ia/ha), propanil + clomazone (2.160 + 480 g ia/ha), propanil + pendimetalina (2.160 + 1.188 g ia/ha), propanil (2.880 g ia/ha) complementado con propanil (2.880 g ia/ha) y un testigo enhierbado. Se evaluó el control de malezas a los 15, 30 y 45 días después de la aplicación (DDA) y la toxicidad al arroz a los 7, 15 y 30 DDA. Cihalofop-butilo a 360 g ia/ha y las mezclas de este herbicida con pendimetalina a 315 + 1.188 g ia/ha y con clomazone a 315 + 480 g ia/ha, tuvieron los mayores controles de Echinochloa colona, pero su efecto en Cyperus iria fue deficiente. A su vez, bispiribac-sodio aplicado a 22 y 30 g ia/ha y en mezcla con pendimetalina a 22 + 1.188 g ia/ha y clomazone a 22 + 480 g ia/ha controlaron eficientemente C. iria, pero su efecto en E. colona fue de regular a bueno.Downloads
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