Celery mosaic virus that the crops are harvested quickly after infection. Celery is the most common host of this virus. As the name implies, this virus causes a mosaic or mottling in the leaves of celery. There can also be malformation of leaflets. In older leaves, chorotic/necrotic spots may occur and the plants can be stunted. (see symptoms description) Viral Inclusions of Celery mosaic virus. In addition to celery, this virus has been identified in other important crops in the " Apiaceae " including carrots ("Daucus carota"), coriander ("Coriandrum sativum"), parsley ("Petroselinum crispum"), parsnip ("Pastinaca sativa"), and dill ("Anethum graveolens"). It has also
Heracleum maximum Heracleum maximum Heracleum maximum, commonly known as cow parsnip, is the only member of the genus "Heracleum" native to North America. "H. maximum" is also known as Indian celery, Indian rhubarb or pushki. Cow parsnip is a tall herbaceous plant reaching heights of over . The genus name "Heracleum" (from Heracles) refers to the very large size of all parts of these plants. Cow parsnip has the characteristic flower umbels of the carrot family (Apiaceae). The umbels are about across, flat-topped or rounded, and composed of small white flowers. Sometimes the outer flowers of the umbel are much larger than