Final diagnosis


Alfalfa mosaic virus (AMV)

Tiny necrotic lesions are developing at the base of several of these young leaflets. <b> Alfalfa mosaic virus </b> (<i> Alfalfa mosaic virus </i>, AMV)
Superficial, bronze-colored necrosis located on one side of the stem at the apex of a plant. <b> Alfalfa mosaic virus </b> (<i> Alfalfa mosaic virus </i>, AMV)
Numerous small brown to black necrosis on green fruits, more diffuse on ripe fruits. <b> Alfalfa mosaic virus </b> (<i> Alfalfa mosaic virus </i>, AMV)
content
Virions vary in shape. The smallest are isometric, with a diameter of 18 nm, the others are bacilliform; their variable lengths are 29, 38, 49 and 58 nm. <b> Alfafa mosaic virus </b> (<i> Alfafa mosaic virus </i>, AMV)