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Classification of Plant Viruse

Classification of Plant Viruses - The Plant Virus Subcommittee established in 1966 by the Executive Committee of the International Committee on Nomenclature recommended a classification of viruses into 16 subgroups, including 4 monotypic groups (12-16) (Harrison et. al, 1971).

These groups are

1. Tobravirus group
2. Tobamovirus group
3. Potexvirus group
4. Carlavirus group
5. Potyvirus group

 

6. Cucumovirus group
7. Tymovirus group
8. Comovirus group
9. Nepovirus group
10. Bromovirus group
11. Tombusvirus group
12. Caulimovirus group
13. Alfalfa mosaic virus
14. Pea enation mosaic virus
15. Tobacco necrosis virus
16. Tomato spotted wilt virus

Only the well studied viruses have been placed in these groups. Each group contains a collection of viruses and or virus strains sharing the main characteristic with a type member of the group. The group is named after the type member, e.g. tobravirus for tobacco rattle virus, etc.

Viruses whose characteristics have not been adequately determined are not included in the groups, may be subsequently included when more data is available. Viruses resembling the wound tumour virus (reovirus group) and lettuce necrotic yellows virus (rhabdovirus group) have also not been included. These viruses have counterparts in animals.

 

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