Anthracnose of Nemesia strumosa Caused by Colletotrichum fuscum.

Severe wilt with spots and/or leaf and stem blight were found on a scrophulariaceous flowering plant, Nemesia strumosa, grown in Kagawa Prefecture, Japan, in February 1999. Wilted plants had numerous lesions and died early. A mitosporic fungus isolated repeatedly from the diseased plants was identified as Colletotrichum fuscum and was demonstrated to cause the disease. N. strumosa is a new host for C. fuscum, which has been known to attack foxglove ( Digitalis spp.). The present disease was named “anthracnose of N. strumosa” as a new disease. [ABSTRACT FROM AUTHOR]