noun
1. : a disease of lettuce caused by a fungus ( Corticium solani ) that first rots the lower leaves and then spreads upward
2. : a decay of the basal portion of a tree trunk by any of various pore fungi (as Polyporus schweinitzii )
noun
1. : a disease of lettuce caused by a fungus ( Corticium solani ) that first rots the lower leaves and then spreads upward
2. : a decay of the basal portion of a tree trunk by any of various pore fungi (as Polyporus schweinitzii )
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012