isolates of a. flavus obtained from different feeds such as corn, barley, wheat, cotton seed, bread waste, soybean, alfalfa, wheat bran, barley meal, canola meal, corn silage and beet pulp from nine dairy farms in tehran province during 2004. ability of sclerotiom production by isolates was tested. results showed 62.9 percent of isolates produced sclerotiom on cza medium and 68.5 percent of...