the present invention is concerned with a novel bioherbicide , and composition thereof for the control of broadleaf weeds in lawns , golf courses , parks , sports fields , other turfed areas , and grass crops such as corn and cereal grains . more specifically , the invention is concerned with a novel isolate sclerotinia minor imi 344141 , agricultural formulations thereof , and its use as a bioherbicide to control troublesome broadleaf weed species .