This product is a post, Emergence herbicide for the successful regulation of expansive and varied greens weeds among leaves in wheat crop. Facts, Weed stops growing and start withering 24 hours after application of shagun due to two way mechanism shagun effectively, Of operation kills resistance phalaris minor killing of weeds within 10, 15 days after application yellowing and chlorosis start after 48 lengthy application time mode of action, Shagun kills the weeds plants by two way mode of actions in which metribuzin inhibiting photosystem ii of photosynthesis by disrupting electron transfer. This produces death due to starvation in the target plant. While clodinafop, Propargyl inhibits the enzyme, Acetyl co, Enzyme a carboxylase accase, Which plays a crucial role in the crafting stage of lipids fatty acids needed for plant growth.