CASORON G-4 Granular Herbicide is a soil-active herbicide with the active ingredient dichlobenil. It controls broad leaved and grassy weeds at weed germination and weed growth initiation. CASORON G-4 Granular Herbicide inhibits cell growth at the growing points or meristematic tissues of the plant. Weed germination and growth initiation is strongly affected. It is recommended that CASORON G-4 Granular Herbicide be applied when the temperature is less than 15°C. Applying at higher temperatures may reduce its herbicidal activity. Water is necessary to move the compound into the soil.