Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Bramble yellow mosaic (?) potyvirus

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

BrmYMV

ICTV decimal code

57.0.1.T.009

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Rubus rigidus - yellow mosaic and line patterns in early spring; later leaves symptomless.

Transmission

Virus transmitted by mechanical inoculation; transmitted by grafting; transmitted by seed.

Geographical distribution

Found, but with no evidence of spread, in South Africa.

Experimental host range

Several (3-9) families susceptible.

Diagnostically susceptible host species and symptoms

• Chenopodium murale, C. quinoa - local lesions; systemic necrotic ringspots or chlorotic mottling.
• Gomphrena globosa, Nicotiana tabacum - chlorotic or necrotic local lesions; not systemic.

Diagnostically insusceptible host species

Cucumis sativus, Petunia × hybrida, Phaseolus vulgaris.

Maintenance and propagation hosts

Chenopodium murale.

Assay hosts (Local lesions or Whole plants)

Chenopodium murale (L/W).

Susceptible host species

• Chenopodium murale
• Chenopodium quinoa
• Gomphrena globosa
• Nicotiana tabacum
• Rubus rigidus

Insusceptible host species

• Cucumis sativus
• Petunia × hybrida
• Phaseolus vulgaris

Families containing susceptible hosts

• Amaranthaceae (1/1)
• Chenopodiaceae (2/2)
• Rosaceae (1/1)
• Solanaceae (1/2)

Families containing insusceptible hosts

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

Physical and biochemical properties

Properties of particles in sap

TIP: 55 °C. LIV: 8 days (at 20ºC). DEP: log₁₀ minus 4.

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 730 nm. Axial canal obscure. Basic helix obscure.

Taxonomy and relationships

unassigned potyvirus

Comments and References

References

• Engelbrecht, D.J. (1963). S. Afr. J. Lab. clin. Med. 9: 140.
• Engelbrecht, D.J. (1976). Acta Hort. 66: 79.
• Engelbrecht, D.J. and van der Walt, W.J.K. (1974). Phytophylactica 6: 311.

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.