
Corn
Diseases in Ohio
Maize
dwarf mosaic
- Symptoms
- mottling or mosaic
of light and dark green in young leaves and slight shortening of internodes.
- Environment
- primarily in river
bottom fields where johnsongrass is a problem.
- Transmission
- several species
of aphids vector MDMV and transmit it from overwintering johnsongrass
to corn.
- Management
- virus tolerant hybrids
- eradicate johnsongrass.
- Scouting

