Final diagnosis


GRSV (Groundnuts Ring Spot Virus)

Small brown to blackish necrotic lesions, even rings are visible on this lettuce leaf. <i><b>Groundnuts Ring Spot Virus</i></b> (GRSV)
Detail of moist, brown to blackish necrotic lesions, even of necrotic and drying rings on lettuce leaves. <i><b>Groundnuts Ring Spot Virus</b></i> (GRSV)
The concentration and confluence of the lesions resulted in the necrosis and desiccation of a sector of the lamina of a lettuce leaf. <i><b>Groundnuts Ring Spot Virus</i></b> (GRSV)
Lettuce stalk infected early whose growth is blocked and the leaves already formed are necrotic. <b><i>Groundnuts Ring Spot Virus</i></b> (GRSV)
Salad foot whose growth is blocked; the leaves of the heart no longer develop, the oldest are more or less necrotic. <i><b>Groundnuts Ring Spot Virus</b></i> (GRSV)
Lettuce stalk infected early whose growth is blocked and the leaves already formed are necrotic. <b><i>Groundnuts Ring Spot Virus</i></b> (GRSV)