CyPro and CyPro AT are generic cyanazine and cyanazine plus atrazine, respectively. Bromox and Moxy are generic brands of bromoxynil while Bromox AT and Moxy AT are bromoxynil plus atrazine prepackage mixtures. The phase-out of cyanazine continues and rate limitations have been established. In 1997, a maximum allowable rate of cyanazine is 5 lb. The maximum allowable rate is reduced in 1998 and 1999 to 3 lb.
Applications can be early preplant, preplant incorporated and preemergence.
Do not apply to soils with a pH that is greater than 6.8. There is a 10-month rotation interval for corn on soils appropriate for these herbicide mixtures. Cover will be soil-applied for control of eastern black nightshade and common waterhemp. Dual II Magnum is a new formulation that contains the active stereoisomer of metolachlor. This allows the use rate to be reduced to 62.5 percent of the older formulation.