This copyright protected video clip is used with permission of the publishers. It was taken from the DVD series "The Biology of Fungal Pathogens" (Vol. 1) edited by Professor Dr. Joseph-Alexander Verreet and Dr. Holger Klink, Kiel. So far, four DVD volumes focusing on fungal diseases of cereals are available through APS PRESS:http://www.shopapspress.org/bioffupavo14.html