Nathan from Sedan, Ks writes
The product label does not mention the requirement of a surfactant when applying Hi-Yield 2, 4-D Selective Weed Killer. unless treating specifically for southern wild rose. Per the product label: Adding oil, wetting agent, or other surfactant to the spray may increase effectiveness on weeds but also may reduce selectivity to crops resulting in crop damage.
Answer last updated on: 05/06/2018