Final diagnosis


Tomato spotted wilt virus (TSWV)

The stem curves down, some leaves have partially necrotic and deformed veins. Tomato spotted wilt virus (TSWV)
Tomato spotted wilt virus (TSWV): This young leaf, having some veins starting to become necrotic, tends to twist as does the apex of the plant.
Necrotic spots starting to grow adjacent to leaf veins. Tomato spotted wilt virus, (TSWV)
At first the spots are yellow, then they change rather quickly to a rusty colour and sometimes form concentric rings. Tomato spotted wilt virus (TSWV)
Many irregular brown spots cover the leaf. Some of them are initiated from the veins. Tomato spotted wilt virus (TSWV)
At the underside of the leaf there are many rusty brown necrotic spots on the midrib and on secondary veins. Tomato spotted wilt virus, (TSWV)
Often infected leaves finally wilt, turn partially yellow and dry up. Tomato spotted wilt virus (TSWV)
Longitudinal streaks of brown metal colour are formed on the stem. Tomato spotted wilt virus (TSWV)
The pith is sometimes affected, it partially turns brown in a more or less diffused manner. Tomato spotted wilt virus (TSWV)
The particles of tomato spotted wilt virus (TSWV) are spherical, 85 nm in diameter. The presence of a lipid envelope gives them a particular aspect.