Lemon tree with yellow foliage and unusually abundant fruit fallen over from dry root rot, caused by Fusarium solani.

Dry root rot damage, lemon tree fallen over from root crown decay, yellow foliage, unusually abundant fruit on dying citrus vs healthy tree crop. Santa Barbara Co.  Credit: David Rosen
Lemon tree with yellow foliage and unusually abundant fruit fallen over from dry root rot, caused by Fusarium solani. Credit: David Rosen