Relatively small proportion of the florets are infected.

The sori or spore sacs are cylindrical, elongate, usually slightly curved with a relatively thick creamy-brown covering membrane.

Seed treatment with Carboxin (Vitavax) @ 2g/kg or Captan/Thiram 4g/kg of seed.

Collect smutted earheads in cloth bags and destruct by dipping in boiling water.

Avoid rationing.