Maize dwarf mosaic virus (MDMV) transmitted by the corn leaf aphid, Rhopalosiphum maidis
Time for concern: After June 15
Key characteristics: The MDMV system consists of a mosaic pattern of lighter and darker green streaks along the veinal and interveinal tissues.
- Virus Diseases of Sweet Corn
- Virus Diseases of Sweet Corn Photo Collection
- A Checklist of Sweet Corn Diseases and Suggested Control Measures
Record the occurrence and severity of MDMV. No thresholds have been established.
|Resistant varieties||Plant resistant varieties.|
|Site selection||This disease primarily affects corn planted in the Hudson Valley or upstate New York. Work in the Hudson Valley indicates that fields should be planted early to avoid peak aphid flights and reduce the risk of infection.|
|These are not currently viable management options.|
|Pesticides||No pesticides are available to manage MDMV.|