Apium virus Y sea celery ("Apium prostratum"), cilantro ("Coriandrum sativum"), and bishop’s weed ("Ammi majus"). In Germany it has recently been found naturally infecting celeriac or celery root. All are members of the plant family "Apiaceae". Symptoms reported included mosaic, vein clearing or banding, necrotic/chlorotic line patterns and stunting. Some samples of parsley, celery and poison hemlock, that gave positive results in tests, however, were asymptomatic. In host range studies, the virus causes local lesions on "Chenopodium quinoa" and "C. amaraticolor" ("Amaranthaceae"). Apium virus Y "Apium virus Y" (ApVY) is a plant pathogenic virus in the genus "Potyvirus" and the virus family "Potyviridae".
Celery mosaic virus large open reading frame, and sharing between 39 and 72% of its sequence identity with other members of the genus Potyvirus, and is most closely related to Apium virus Y. Together, CeMV, Apium virus Y, and Panax virus Y form a distinct clade. Celery mosaic virus Celery mosaic virus (CeMV) is a plant pathogenic virus in the genus" Potyvirus " and the virus family " Potyviridae ". In California (USA), mosaic diseases of celery ("Apium graveolens") were reported as early as 1922. After some time, it became clear that there were at least two different viruses causing mosaic diseases with