Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Datura Colombian potyvirus

Index

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

Data collated by R.P. Kahn, 1987.

Nomenclature

Synonyms

Colombian datura virus.

Acronym

CDV.

ICTV decimal code

57.0.1.0.019

Host range and symptoms

Natural host range and symptoms

Symptoms persist, or disappear soon after infection.
• Datura candida, D. sanguinea - veinbanding, chlorotic flecking followed by mottling.

Transmission

Transmitted by a vector; an insect; Myzus persicae; Aphididae. Transmitted in a non-persistent manner. Virus transmitted by mechanical inoculation; transmitted by grafting.

Geographical distribution

Spreads in Colombia.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Datura metel - wilting and death.
• Nicotiana tabacum cv. Virginia - chlorotic and necrotic spots.
• Nicotiana tabacum cv. Samsun - chlorotic or necrotic spots, veinal necrosis.
• Solanum demissum × S. tuberosum `A-6' - necrotic spots.
• Datura stramonium - chlorotic spots, occasionally.
• Gomphrena globosa var. rubra - red bordered local lesions.

Diagnostically insusceptible host species

Capsicum annuum.

Maintenance and propagation hosts

Nicotiana tabacum cv. Samsun.

Assay hosts (Local lesions or Whole plants)

Datura metel (W); Nicotiana tabacum cv. Samsun (W).

Susceptible host species

• Datura candida
• Datura metel
• Datura sanguinea
• Datura stramonium
• Gomphrena globosa
• Gomphrena globosa var. rubra
• Nicotiana tabacum
• Solanum demissum × S. tuberosum

Insusceptible host species

• Capsicum annuum

Families containing susceptible hosts

• Amaranthaceae (2/2)
• Solanaceae (6/7)

Families containing insusceptible hosts

• Solanaceae (1/7)

Sources of host-range data

Kahn and Bartels (1968).

Physical and biochemical properties

Properties of particles in sap

TIP: 55-60 °C. LIV: 6 days (or more at 20-25ºC in crude sap). DEP: log₁₀ minus 5. Leaf sap contains few virions.

Purification method

Kahn and Bartels (1968).

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of »28 721 nm.

Taxonomy and relationships

Potyvirus: Potyviridae

Virus(es) with serologically related virions

Henbane mosaic and tobacco etch viruses.

Virus(es) with serologically unrelated virions

Potato A and Y viruses.

Comments and References

References

• Kahn, R.P. and Bartels, R. (1968). Phytopathology 58: 587.

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.