Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Harts tongue fern (?) tobravirus

Index

• Nomenclature
• Host range, transmission and symptoms
• Physical and biochemical properties
• Taxonomy and relationships
• Comments and References

Data collated by A.A. Brunt, 1991.

Nomenclature

Synonyms

fern tobravirus.

ICTV decimal code

72.0.1.T.DE.1

Host range and symptoms

Natural host range and symptoms

Symptoms persist. Symptoms mottling and deformation of fronds.
• Pellaea falcata, Phyllitis scolopendrium, Polystichum falcatum, Pteris cretica var. albo-lineata, P. `Childsii' - mottling and deformation of fronds.

Transmission

Virus transmitted by mechanical inoculation.

Geographical distribution

Found, but with no evidence of spread, in the U.K.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Phyllitis scolopendrium - mottling of fronds.

Diagnostically insusceptible host species

Cucumis sativus, Gomphrena globosa, Nicotiana clevelandii, N. tabacum, Vigna unguiculata.

Susceptible host species

• Pellaea falcata
• Phyllitis scolopendrium
• Polystichum falcatum
• Pteris `Childsii'
• Pteris cretica var. albo-lineata

Insusceptible host species

• Cucumis sativus
• Gomphrena globosa
• Nicotiana clevelandii
• Nicotiana tabacum
• Vigna unguiculata

Families containing susceptible hosts

• Aspidiaceae (1/1)
• Aspleniaceae (1/1)
• Pteridaceae (2/2)
• Sinopteridaceae (1/1)

Families containing insusceptible hosts

• Amaranthaceae (1/1)
• Cucurbitaceae (1/1)
• Leguminosae-Papilionoideae (1/1)
• Solanaceae (2/2)

Physical and biochemical properties

Particle morphology

Virions rod-shaped; usually straight; with a clear modal length; of 135 and 320 nm; 22 nm wide. Axial canal obscure. Basic helix obscure.

Taxonomy and relationships

Possible Tobravirus

Comments and References

References

• Hull, R. (1968). Virology 35: 333.

Cite this publication as: Brunt, A.A., Crabtree, K., Dallwitz, M.J., Gibbs, A.J., Watson, L. and Zurcher, E.J. (eds.) (1996 onwards). `Plant Viruses Online: Descriptions and Lists from the VIDE Database. Version: 20^th August 1996.' URL http://biology.anu.edu.au/Groups/MES/vide/

Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993) should also be cited.