Alfalfa Mosaic Virus
Alfalfa Mosaic Virus
Common name
Alfalfa Mosaic Virus
Lucerne Mosaic Virus
Potato calico
Causal Agent
It is caused by some members of the genus Alfamovirus
Symptoms & Signs
Yellow mosaic or calcio type pattern appears on the leaves. Leaves affected with AMV develop yellow blotches in between green color called “mottling.” Sometimes leaves may curl and develop bronze discoloration. Internally, it causes the death of the phloem tissues in roots. Fruits develop surface necrotic rings and blotches.
Transmission
Alfalfa mosaic virus is spread by aphids.
Time of Concern
Throughout the crops growing season
Common Hosts
Alfalfa
Potatoes
Pepper
Lentils
Hemp
Ornamental plants & Weeds