Family: Bromoviridae
Genus: Ilarvirus
Acronym: TSV
TSV Synonyms: Annulus orae, Nicotiana virus 8, Nicotianavirus vulnerans, Tractus orae
Causes systemic necrotic lines bordering veins (streak, `necrose branca') in tobacco, with subsequent recovery in newly developing leaves; mottling or no symptoms in dahlia; mottling in cotton, Trifolium pratense and Melilotus alba; yellow ringspots and malformation in tomato; stunting of asparagus; vein yellowing in rose; red node in bean; systemic necrosis in pea, soybean and potato; mild mosaic in potato; and necrotic shock in strawberry.
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Family: Bromoviridae
Genus: Ilarvirus
Acronym: TSV
TSV Synonyms: Annulus orae, Nicotiana virus 8, Nicotianavirus vulnerans, Tractus orae
Causes systemic necrotic lines bordering veins (streak, `necrose branca') in tobacco, with subsequent recovery in newly developing leaves; mottling or no symptoms in dahlia; mottling in cotton, Trifolium pratense and Melilotus alba; yellow ringspots and malformation in tomato; stunting of asparagus; vein yellowing in rose; red node in bean; systemic necrosis in pea, soybean and potato; mild mosaic in potato; and necrotic shock in strawberry.
It has also been isolated from black raspberry, red raspberry, blackberry, groundnut, pepper, globe artichoke, alfalfa, sunflower, lettuce and escarole and numerous wild species including Ageratum houstonianum in Australia; Rumex spp, Taraxacum officinale, Brassica campestris, Silybum marianum, and Rhaphanus rhaphinastrum in the USA; and Talinum patens in Brazil. The virus has been identified as infecting ornamental species including: Alstroemeria, Clematis, Lisianthus, Impatiens and Ajuga reptans.
