Tomato ringspot virus

Family   : Secoviridae
Genus    : Nepovirus
Acronym  : TRSV

Introduction

Tomato ringspot virus (TRSV) is a member of the Nepovirus, the disease caused by which is characterized by ringspots in tobacco plants and raspberries, yellow bud mosaic in peaches, yellow vein in grapes, and stunted growth in gladiolus and Narcissus. It also infects cucumber, tobacco, tomato and cowpea.

Major Diseases

Ringspot disease

Geographical Distribution

Himachal Pradesh

Particle Morphology

Isometric particles of 25-29 nm in diameter.

Transmission Method

By nematode, Xiphinema inaequale.

Detection

ELISA and RT-PCR

Host Range and Symptomatology ShowHide

Host	Symptoms
Tomato and Tobacco	Ringspots
Tobacco	Yellow bud mosaic
Grapes	Yellow vein
Gladiolus	Stunted growth

References ShowHide

1	Tomato ringspot virus. [Distribution map].. 2012, Distribution Maps of Plant Diseases, No.April, pp Map 771 (Edition 2).
2	Verma, A. K.; Khan, M. L.; Anil Handa, Transmission of tomato ringspot virus by Xiphinema inaequale (Khan and Ahmad 1975) Bajaj and Jairajpuri 1979, associated with gladiolus in Himachal Pradesh.. 2003, Pest Management and Economic Zoology, 11, 2, pp 189-192.