Image Number: 1402031

The virus disease first appears as circular line patterns of yellow and brown tissue on young leaves. These line patterns may follow the leaf veins and form the outline of an oak leaf. Some of the plant tissue may die, resulting in a "shot-hole" appearance. Symptom severity varies from a few ringspots to a dwarfed plant with numerous patterns and ragged leaves. Ringspot usually appears on scattered plants and causes little or no economic loss.
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Image location:
United States


Kingdom: Viruses
Phylum: Viruses
Class: Single-stranded, positive-sense, RNA (Group IV)
Order: Picornavirales
Family: Comoviridae
Genus: Nepovirus
Subject: Nepovirus TRSV


Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Solanales
Family: Solanaceae
Genus: Nicotiana
Subject: Nicotiana tabacum (flue-cured type) L.
Node Affiliation:
Image uploaded:
Sunday, March 10, 2002
Image last updated:
Tuesday, May 17, 2011