Tomato aspermy virus
Family : Bromoviridae
Genus : Cucumovirus
Acronym : TAV
Introduction
Tomato aspermy virus (TAV) is a plant pathogenic virus of the family Bromoviridae that infects chrysanthemum and gladiolus in India.
Major Diseases
Mottling
Geographical Distribution
Andhra Pradesh, Assam, Bihar, Haryana, Delhi, Karnataka, Gujarat, Himachal Pradesh, Madhya Pradesh, Maharashtra, Uttar Pradesh, West Bengal and Tamil Nadu.
Particle Morphology
Isometric particles of 30 nm diameter.
Transmission Method
Transmitted by mechanical inoculation and aphids Myzus persicae and Aphis gossypii non-persistently.
Detection
ELISA and RT-PCR.
Host Range and Symptomatology
| Host | Symptoms |
| Gladiolus grandiflorus | Severe mosaic, chlorotic ringspots and flower deformation. |
| Cucumis sativus | Severe mosaic, chlorotic ringspots |
| Chrysanthemum | Mottling and deformed flowers with colour breaks and mottled leaves, flower distortion and depression on ray florets. |
References
| 1 | Gupta, R. P. ; Singh, B. P., Studies on Chrysanthemum aspermy virus on chrysanthemum.. 1981, Indian Journal of Mycology and Plant Pathology, 11, 1, pp 158-160. |
| 2 | Raj, S. K. ; Kumar, S. ; Choudhari, S., Identification of Tomato aspermy virus as the cause of yellow mosaic and flower deformation of chrysanthemums in India.. 2007, Australasian Plant Disease Notes, 2, 1, pp 01-Feb. |
| 3 | Raj, S. K. ; Kumar, S. ; Verma, D. K. ; Snehi, S. K., First report on molecular detection and identification of Tomato aspermy virus naturally occurring on gladiolus in India.. 2011, Phytoparasitica, 39, 3, pp 303-307. |
| 4 | Raj, S. K. ; Susheel Kumar ; Sulbha Choudhari ; Verma, D. K., Biological and molecular characterization of three isolates of Tomato aspermy virus infecting chrysanthemums in India.. 2009, Journal of Phytopathology, 157, 2, pp 117-125. |
| 5 | Singh, B. P. ; Gupta, R. P., Control of chrysanthemum aspermy virus by heat therapy.. 1978, Current Science, 47, 23, pp 909-910. |
| 6 | Verma, N. ; Kumar, K. ; Kulshrestha, S. ; Raikhy, G. ; Hallan, V. ; Ram, R. ; Zaidi, A. A. ; Garg, I. D., Molecular studies on Tomato aspermy virus isolates infecting chrysanthemums.. 2009, Archives of Phytopathology and Plant Protection, 42, 2, pp 99-111. |
| 7 | Verma, N. ; Kumar, K. ; Kulshrestha, S. ; Raikhy, G. ; Hallan, V. ; Ram, R. ; Zaidi, A. A. ; Garg, I. D., Detection and molecular characterization of a Tomato aspermy virus isolate infecting chrysanthemums in India.. 2006, 722, pp 41-53. |
| 8 | Verma, N. ; Mehra, A. ; Singh, L. ; Hallan, V. ; Singh, A. K. ; Jabeen, N. ; Singh, M. K. ; Ram, R. ; Zaidi, A. A., Screening for viruses infecting chrysanthemum cultivars in India.. 2007, Scientia Horticulturae, 111, 3, pp 260-265. |
| 9 | Zaidi, A. A. ; Hallan, V. ; Rana, T. ; Raikhy, G. ; Ram, R., Viruses in ornamental crops and their management: an Indian scenario.. 2009, Journal of Ornamental Horticulture, 12, 3, pp 147-166. |