The chemical control shows many disadvantages. The use of plant extract in the management of plant diseases is an important tool. The weeds are the unwanted plants naturally growing in agricultural fields . If we get success in finding the antifungal property of weeds and used against crop disease management then it is safe, cost free, eco-friendly and social way in advanced agriculture. Now a days some farmers agree with use of leaf extracts of various plants, but they didn't have correct knowledge of it.The researchers have responsibility that they give the eco-friendly way of crop disease management.