this invention relates to a method for biological control of multiple plant weeds , prickly sida , velvetleaf , and spurred anoda . the control is accomplished using a specific host strain of the fungus fusarium lateritium to produce typical lesions in and kill the multiple weeds . fusarium lateritium is on deposit with the usda - sea - ar southern weed science laboratory in stoneville , miss . ; the fusarium research center , pennsylvania state university ; and with the agriculture research culture collection , peoria , ill ., and assigned the # 12552 .