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

Fig. 2. Sugar beet infected with Verticillium dahliae: (A) interveinal chlorosis, (B) half-leaf necrosis, and (C) vascular discoloration in root.



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