Image Number: 5424477

Photographer:
Descriptor:
Symptoms
Description:
It is characterized by striking patterns of necrotic leaf tissue usually bearing a close relation to the veins. Some leaves may be affected on one side only. Midribs have dead streaks and the small veins are darkened. Stalks can show depressed dead areas. Apparently normal-growing plants develop necrosis, puckering, and curling of the young leaves. Affected plants appear permanently injured and likely to die; this severe stage soon passes, however, and the plants resume apparently normal growth, with only the originally affected leaves being misshapen and dwarfed.
Image type:
Field

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Image location:
Kentucky, United States

Subject

Kingdom: Viruses
Phylum: Viruses
Class: Single-stranded, positive-sense, RNA (Group IV)
Order: Unassigned single stranded positive-sense RNA viruses
Family: Bromoviridae
Genus: Ilarvirus
Subject: Ilarvirus TSV

Host

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Solanales
Family: Solanaceae
Genus: Nicotiana
Subject: Nicotiana tabacum L.
Node Affiliation:
Image uploaded:
Friday, July 23, 2010
Image last updated:
Wednesday, March 30, 2011