Claflin, Larry2015-12-232015-12-231975-07-017/1/1975http://hdl.handle.net/2097/21140Photograph showing a heavy infestation of johnson grass in a corn field.Host/Plant: Corn and numerous other crops and grasses. (Zea mays)Pest/Path: Maize Dwarf Mosaic potyvirus (Potyviridae)1565 x 1052 pixelsThis Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).CornVirus DiseasesPotyvirusImageColor photographs