Symptoms are dark green mosaic-like spots on the foliage. In very severe cases there can be some growth inhibition. To our knowledge there are no immuno-assay tests available. Aphids seem to be vectors for this virus. This variation of Tomato Spotted Wilt Virus can cause a range of symptoms in Kalanchoe.
Symptoms sometimes resemble damage from mistakes in cultivation.
The virus is transmitted by Western Flower Thrips. This virus causes symptoms of chlorotic and necrotic spots. We are not aware of any immuno-assay test for it. Kalanchoe cultures that are infected with this virus should be destroyed. It is very rare that this virus shows any symptoms at all.