GlyStar® Plus is a post emergent, systemic herbicide with no soil residual activity. It is generally non-selective and gives broad-spectrum control of many annual weeds, perennial weeds, woody brush and trees. It is formulated as a water soluble liquid. It may be applied through most standard industrial or field-type sprayers after dilution and thorough mixing with water or other carriers according to label instructions. A non-selective, post emergent systemic herbicide with no soil residual activity that gives broad-spectrum control of annual and perennial weeds, woody brush and trees. It is labeled for over-the-top applications on roundup ready crops and no additional surfactant is required. Sunflower harvest aid.