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Virus infections of leaves (broadleaved trees)
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Symptoms / species
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Impact / measures
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Pictures
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Occurrence map
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 | | Chlorotic discoloration, form anomalies of leaves, ring-shaped or net-shaped lines, mosaic-like spots, reduced leaf size, bands extending from the leaf veins, mottling, shrivelling of leaves; mostly unspecific symptoms, which, for a clear diagnosis require analyses in a lab.
| | | Affected tree species | All tree species; | | Affected parts | Leaf; |
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| Rarely endangering the life of trees, occasionally loss in increment; in commercial orchards heavy loss of harvest possible.
Curative measures
Selection of resistent plant material or plant stock fee from viruses; removal of diseased plants, curative control of insects, which act as vectors.
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| symptoms of viruses on leaves of Robinia | | viruses on leaves of Prunus padus, in addition spots caused by sucking insects | | Virus-spots (Cherry leaf roll virus) on leaves of Sambucus | | Virus-spots (Cherry leaf roll virus) on leaves of Sambucus | | Line pattern virus of plum |
| 2002
Niederösterreich | 2001
Bad Waltersdorf |
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