sentences:  Following this, the pathogen will produce numerous pycnidial and later perithecial stromata.The probable duration of this disease cycle is 1 year, due to pycnidial stromata which form within the first year of lesion enlargement.Due to older, weakened trees being most susceptible to "Leucostoma kunzei", the key factor in proper management of this disease is maintenance of tree health and vigor by reducing stress on the tree.