Head SmutCORN068.JPG

Head smut

Area of impact: Tassel

Description: Galls, similar to those of common smut except vascular bundles, are contained with the masses of spores giving them a stringy appearance. Ears of infected plants have a teardrop shape and no silk because the husks are filled with spores.

Pathogen involved: Sphacelotheca reiliana (a fungus)

Timing/Conditions: Occurs in seeds but is not apparent until after flowering. Spores can survive in soil for several years.

Contributing factors: Spores can also be seedborne or carried by the wind, but this is not considered a main source of infection.

Management practices: Try seed treatment fungicides, resistant hybrids and planting earlier in the season to avoid optimal temperatures for spore germination.

Ask an Agronomist

The material and content contained in the Greenbook label database is for general use information only. Agworld and Greenbook do not provide any guarantee or assurance that the information obtained through this service is accurate, current or correct, and are therefore not liable for any loss resulting, directly or indirectly, from reliance upon this service. This label database does not replace the official manufacture issued label. Users of this database must read and follow the actual product label affixed to the container before use of the product.