International audienceElionurus muticus is a grass from Pampa biome and it is an excellent alternative as natural source of citral in southern Brazil. The essential oil has a high citral level (80%) and presents variability for other important chemical compounds. The present studies indicated its cytotoxic effect against Artemia salina and also suggested its application in the control of pathogenic fungi. E. muticus could become an alternative to synthetic fungicides for using in agro-industries and also to screen and develop novel types of selective and natural fungicides