Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Pelargonium vein clearing (?) cytorhabdovirus

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

PVCV (PelVCV)

ICTV decimal code

62.U.P.0.038

Host range and symptoms

Natural host range and symptoms

• Pelargonium peltatum, P. zonale - mild vein clearing.

Transmission

Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in Italy.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Nicotiana benthamiana, N. clevelandii, N. glutinosa, N. rustica, N. tabacum, N. debneyi, N. megalosiphon, Capsicum annuum, Petunia × hybrida - chlorotic or necrotic local lesions in older plants, but systemic vein clearing, chlorotic vein banding and leaf malformation of seedlings inoculated 4 leaf-stage.
• Gomphrena globosa - small red local lesions; not systemic.

Diagnostically insusceptible host species

Chenopodium amaranticolor, C. quinoa, Cucumis sativus, Phaseolus vulgaris, Beta vulgaris.

Maintenance and propagation hosts

Nicotiana benthamiana, N. glutinosa.

Assay hosts (Local lesions or Whole plants)

Nicotiana benthamiana (W), N. glutinosa (W).

Susceptible host species

• Capsicum annuum
• Gomphrena globosa
• Nicotiana benthamiana
• Nicotiana clevelandii
• Nicotiana debneyi
• Nicotiana glutinosa
• Nicotiana megalosiphon
• Nicotiana rustica
• Nicotiana tabacum
• Pelargonium peltatum
• Pelargonium zonale
• Petunia × hybrida

Insusceptible host species

• Beta vulgaris
• Chenopodium amaranticolor
• Chenopodium quinoa
• Cucumis sativus
• Phaseolus vulgaris

Families containing susceptible hosts

• Amaranthaceae (1/1)
• Geraniaceae (2/2)
• Solanaceae (9/9)

Families containing insusceptible hosts

• Chenopodiaceae (3/3)
• Cucurbitaceae (1/1)
• Leguminosae-Papilionoideae (1/1)

Physical and biochemical properties

Properties of particles in sap

TIP: 60 °C. LIV: 2 days (at 22-24ºC). DEP: log₁₀ minus 6.

Particle morphology

Virions rhabdo- or bullet-shaped; of 250 nm (in sections), or 175 nm (purified virions); 70 nm wide (in sections), or 90 nm wide (purified virions). Axial canal obvious; 30-35 nm in diameter. Basic helix obvious.

Cytopathology

Virions found in leaves, mesophyll, vascular parenchyma and the phloem; in cytoplasm and in the perinuclear space.

Taxonomy and relationships

Possible Cytorhabdovirus: Rhabdoviridae

Comments and References

References

• di Franco, A., Russo, M. and Martelli, G.P. (1979). Phytopathol. Medit. 18: 41.
• Quacquarelli, A. and Gallitelli, D. (1979). Phytopathol. Medit. 18: 61.
• Russo, M., Castellano, M.A. and Martelli, G.P. (1979). Phytopath. Z. 96: 122.

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.