Effect of different grades of black pointed seeds on leaf blight severity and healthy seed production of wheat was conducted in field conditions. The grades were; 0= apparently healthy looking seeds (Free from infection), 1= only embryo blackish, 2= embryo and its adjacent area slightly infected, 3= embryo and less than 1/4 of grains are discolored, 4= embryo and 1/2 of grains are infected and 5= grains are shriveled, almost completely discolored or more than 1/2 of grains are discolored. Seedling emergence and vigor index were significantly decreased with the increase of severity grades of...