Johnson grass is the over-wintering host of MDMV - Claflin, Larry (My University, 1975)
Johnson grass is the over-wintering host of MDMV. The virus survives in the rhizomes and when growth resumes, aphids feed on Johnson grass and acquire the virus and disseminate it to other plants.
Host/Plant: Corn and numerous other crops and grasses. (Zea mays)
Pest/Path: Maize Dwarf Mosaic potyvirus (Potyviridae)
Keywords: Corn; Virus Diseases; Potyvirus; Color photographs