Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Kennedya Y potyvirus

Index

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

Data collated by A.J. Gibbs, 1987.

Nomenclature

Acronym

KVY

ICTV decimal code

57.0.1.T.047

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Kennedya rubicunda - mild marble mosaic.

Transmission

Virus transmitted by mechanical inoculation; not transmitted by seed.

Geographical distribution

Spreads in Australia (the south eastern region).

Diagnostically susceptible host species and symptoms

• Phaseolus vulgaris cv. Pinto - local lesions, tip blight.
• Glycine max - systemic mosaic.

Diagnostically insusceptible host species

Pisum sativum, Nicotiana glutinosa.

Maintenance and propagation hosts

Glycine max.

Assay hosts (Local lesions or Whole plants)

Phaseolus vulgaris cv. Pinto (L).

Susceptible host species

• Glycine max
• Kennedya rubicunda
• Nicotiana glutinosa
• Phaseolus vulgaris

Insusceptible host species

• Nicotiana glutinosa
• Pisum sativum

Families containing susceptible hosts

• Leguminosae-Papilionoideae (3/4)
• Solanaceae (1/1)

Families containing insusceptible hosts

• Leguminosae-Papilionoideae (1/4)
• Solanaceae (1/1)

Sources of host-range data

Dale et al. (1975).

Physical and biochemical properties

Properties of particles in sap

Leaf sap contains few virions.

Particle morphology

Virions filamentous; usually flexuous; with a clear modal length; of 710 nm; c. 12 nm wide. Axial canal obscure. Basic helix obscure.

Cytopathology

Virions found in leaves; in cytoplasm. Inclusions present in infected cells; are pinwheels; they do not contain virions.

Taxonomy and relationships

Potyvirus: Potyviridae

Comments and References

References

• Dale, J.L., Gardiner, J.E. and Gibbs, A.J. (1975). Aust. Pl. Path. Soc. Newsl. 4: 13.

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.