Plant Viruses
Online 
Descriptions and Lists from
the VIDE Database
Cocksfoot
alphacryptovirus
Index
Data collated by A.A. Brunt, 1994.
Nomenclature
ICTV decimal code
Host range and symptoms
First reported
in Dactylis glomerata; from Scotland, U.K.; by Torrance et al.
(1994).
Natural host range and symptoms
Symptoms none.
- Dactylis glomerata - symptomless.
Transmission
Transmitted by means not involving a vector.
Virus not transmitted by mechanical inoculation; not transmitted by grafting;
not transmitted by contact between plants; transmitted by seed.
Geographical distribution
Found, but with no evidence of
spread, in U.K.
Experimental host range
Few (<3) families susceptible.
Maintenance and propagation hosts
Susceptible host species
Families containing susceptible hosts
Physical and
biochemical properties
Properties of particles in sap
Leaf sap
contains few virions.
Purification method
Particle morphology
Virions isometric; 30 nm in diameter;
rounded in profile.
Biochemical properties
Genome consists of RNA;
double-stranded. Total genome size 3.85 kb (pairs). Genome of two parts;
largest (or only) genome part 2 kb (pairs); the 2nd largest 1.85 kb (pairs).
Taxonomy and
relationships
Virus(es) with serologically related virions
Ryegrass, beet 1 and 2 alphacryptoviruses.
Virus(es) with
serologically unrelated virions
Carnation and
vicia alphacryptoviruses.
Comments and
References
References
- Torrance, L., Jones,
A.T. and Duncan, G.H. (1994). Ann. appl. Biol. 124: 579.
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: 20th August 1996.' URL
http://biology.anu.edu.au/Groups/MES/vide/
Dallwitz (1980)
and
Dallwitz, Paine and Zurcher (1993)
should also be cited.
Please send comments, corrections and suggestions to:
vide-manager@biology.anu.edu.au