R.L. Croissant, Bugwood.org
Signs and symptoms of head smut (Sphacelotheca reiliana) in a corn tassel.
Agriculture and Agri-Food Canada , Bugwood.org
Corn ear infected with head smut: late stage of infection when all that remains of the ear is a dry mass of spores surrounded by fibrous strands of tissues.
Agriculture and Agri-Food Canada , Bugwood.org
Corn tassel infected with head smut exhibited 'wire-brush' symptom.
Agriculture and Agri-Food Canada , Bugwood.org
Systemic infection of a corn plant with head smut. All ears on the plant are infected.
R.L. Croissant, Bugwood.org
Signs and symptoms of head smut (Sphacelotheca reiliana) in a corn tassel.
H.J. Larsen, Bugwood.org
A field of cereal rye infected with the head smut fungus.
William M. Brown Jr., Bugwood.org
Comparison of two corn tassel infected with common smut (center), Ustilago maydis, and head smut (right), Sphacelotheca reiliana.
California Department of Food and Agriculture , CDFA, Bugwood.org
Signs and symptoms of head smut (Sphacelotheca reiliana) on an ear of field corn.