Pathogen and disease characteristics:
Asexual conidia are pyriform, hyaline, mostly 3-celled with a small appendage on the base cell. Conidia measure approximately 17.5-30.8 x 5.9-8.8 um. (Mehta et al. 1953). Germination, appresoria formation, and invasion of host cells greatest at 25 OC (Yadava and Agnihotri 1980).