First Report of Pathogenicity of <i>Fusarium sporotrichioides</i> and <i>Fusarium acuminatum</i> on Sunflowers in the United States

Fig. 1. Transverse sections of sunflower stalks collected from field near Aldrich, MN, exhibiting a range of signs and symptoms caused by Macrophomina phaseolina (note microsclerotia) and Fusarium spp. (note pink discoloration).



Image from Plant Health Progress article:
First Report of Pathogenicity of Fusarium sporotrichioides and Fusarium acuminatum on Sunflowers in the United States