Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Alfalfa 2 (?) betacryptovirus

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

Acronym

ACV-2

ICTV decimal code

49.0.4.T.006

Host range and symptoms

Natural host range and symptoms

• Medicago sativa - symptomless.

Transmission

Virus not transmitted by mechanical inoculation; not transmitted by grafting; transmitted by seed.

Geographical distribution

Found, but with no evidence of spread, in Japan and Italy.

Susceptible host species

• Medicago sativa

Families containing susceptible hosts

• Leguminosae-Papilionoideae (1/1)

Physical and biochemical properties

Particle morphology

Virions isometric; 38 nm in diameter; angular in profile.

Taxonomy and relationships

Possible Betacryptovirus: Partitiviridae

Comments and References

General comments

The virus was first found occurring in complex with alfalfa 1 alphacryptovirus.

References

• Accotto, G.P., Marzachi, C. Luisoni, E. and Milne, R.G. (1990). J. gen. Virol. 71: 433.
• Boccardo, G., Lisa, V., Luisoni, E. and Milne, R.G. (1987). Adv. Virus Res. 32: 171.

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.