After planting, a pre-emergent herbicide recommended for the crop (
oxadiazon) was applied at the label rate of 4L [ha.sup.-1].
Effect of the herbicides
oxadiazon and oxyfluoren on phosphates solubility microorganisms and their persistence in rice fields.
The weed control was performed with
oxadiazon at a dose of 1000 g a.i.
Growth response of direct-seeded rice to
oxadiazon and bispyribac-sodium in aerobic and saturated soils.
Johnson, "Growth response of direct-seeded rice to
oxadiazon and bispyribac-sodium in aerobic and saturated soils," Weed Science, vol.
pesticide MRL (a) ([micro]g/kg) Quintozene 50 Diazinon 50 Chlorpyrifos-Methyl 50 Chlorpyrifos 100 Endosulfan 500 Penconazole 50
Oxadiazon 50 Captan 50 Edifenphos 50 Propiconazole 50 Fipronil 50 Bifenthrin 50 Bromopropylate 1000 Iprodione 50 Phosalone 50 Permethrin 1000 Cypermethrin 50 Fenvalerate 50 Deltamethrin 50 Indoxacarb 500 (a): Maximum Residue Limit Table 2: Pesticide retention time and internal standard per min.
miliacea en Venezuela son:
oxadiazon, 2,4-D, ioxinilo, propanil, triclopyr y bentazona (Ortiz, 2008).
Commonly used preemergence chemicals include benefin, bensulide, dithiopyr, metolachlor,
oxadiazon, pendimethalin, prodiamine, and siduron.