Exotic Pest Reporting
Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org
Bean common mosaic (BCMV)
Potyvirus Bean Common Mosaic Virus
Bean common mosaic (BCMV) (Potyvirus Bean Common Mosaic Virus) is a viral pathogen. It is a native of Africa and was first detected in Idaho, Michigan and New York.
Bean common mosaic virus causes common mosaic symptoms that appear as a light green-yellow and dark green mosaic pattern developing on the trifoliolate leaves. Leaf discoloration is usually accompanied by puckering, blistering, distortion, and a downward curling and rolling. Plants infected at a young age may be stunted and distorted. .