tomato black ring virus tomato black ring virus tomato black ring virus (tbrv) is a plant pathogenic virus of the family secoviridae, that was first discovered in 1946. tomato black ring virus virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: pisuviricota class: pisoniviricetes order: picornavirales family: secoviridae genus: nepovirus species: tomato black ring virus synonyms bean ringspot virus celery yellow vein virus lettuce ringspot virus potato bouquet virus potato pseudo-aucuba virus hosts tbrv infects several hosts including: allium cepa allium porrum apium graveolens beta vulgaris var. saccharifera brassica napus var. napobrassica brassica rapa subsp. rapa capsicum cucumis sativus cynara cardunculus var. scolymus fragaria including fragaria ananassa gladiolus hybrids lactuca sativa narcissus phaseolus vulgaris prunus persica ribes rubus including rubus idaeus solanum lycopersicum solanum melongena solanum tuberosum vitis vinifera