Final diagnosis


Tomato spotted wilt virus (TSWV)

Little evolved symptoms of <b> Tomato spotted wilt virus </b> (<i> Tomato spotted wilt virus </i>, TSWV) in field lettuce.
At the end of the development, many leaves are affected; they are chlorotic and show large necrotic patches. <b> Tomato spotted wilt virus </b> (<i> Tomato spotted wilt virus </i>, TSWV)
Batavia, several leaves of which have large necrotic areas and a bronzed appearance. <b> Tomato spotted wilt virus </b> (<i> Tomato spotted wilt virus </i>, TSWV)
Chlorotic spots gradually becoming necrotic. <b> Tomato spotted wilt virus </b> (<i> Tomato spotted wilt virus </i>, TSWV)
Brown necrotic spots; necrosis and drying out of a sector of the lamina. <b> Tomato spotted wilt virus </b> (<i> Tomato spotted wilt virus </i>, TSWV)
On these few leaves, rust-brown necrotic lesions, more or less extensive, reflect the effects of <b> Tomato bronzed disease virus </b> (<i> Tomato spotted wilt virus </i>, TSWV).
Large chlorotic and necrotic lesions more or less cover the leaves of this salad. Some leaves of the heart are completely necrotic. <b> Tomato spotted wilt virus </b> (<i> Tomato spotted wilt virus </i>, TSWV)
Spherical virus particles 85 nm in diameter. The presence of a lipid envelope gives them a particular appearance. <b> Tomato spotted wilt virus </b> (<i> Tomato spotted wilt virus </i>, TSWV)