<i>Verticillium dahliae</i> Causes Wilt on Sugar Beet Following Potato in Eastern North Dakota

Fig. 1. Verticillium wilt on sugar beet: wilting, chlorosis, and necrosis of foliage with no external root rot symptoms.



Image from Plant Health Progress article:
Verticillium dahliae Causes Wilt on Sugar Beet Following Potato in Eastern North Dakota