Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Broad bean severe chlorosis closterovirus

Index

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

Data collated by G. Thottappilly, 1983. Revised 1989.

Nomenclature

ICTV decimal code

17.0.1.DE.01

Host range and symptoms

Natural host range and symptoms

• Vicia faba - chlorosis, necrosis, leaf malformation.

Transmission

Transmitted by a vector; an insect; Acyrthosiphon pisum; Aphididae. Transmitted in a non-persistent manner. Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in the USA (Michigan).

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Pisum sativum cv. Midfreezer - systemic chlorosis, mosaic; then necrosis and plant dies.

Maintenance and propagation hosts

Pisum sativum cv. Midfreezer.

Assay hosts (Local lesions or Whole plants)

Pisum sativum cv. Midfreezer (W).

Susceptible host species

• Chenopodium amaranticolor
• Chenopodium quinoa
• Phaseolus vulgaris
• Pisum sativum
• Trifolium incarnatum
• Vicia faba

Insusceptible host species

• Cucumis sativus
• Gomphrena globosa
• Lycopersicon esculentum
• Nicotiana glutinosa
• Nicotiana tabacum
• Pisum sativum
• Vigna unguiculata

Families containing susceptible hosts

• Chenopodiaceae (2/2)
• Leguminosae-Papilionoideae (4/5)

Families containing insusceptible hosts

• Amaranthaceae (1/1)
• Cucurbitaceae (1/1)
• Leguminosae-Papilionoideae (2/5)
• Solanaceae (3/3)

Sources of host-range data

Thottappilly et al. (1975).

Physical and biochemical properties

Properties of particles in sap

TIP: 45-50 °C. LIV: 1 days (12-20 hours). DEP: log₁₀ minus 3-4.

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 650-1640 nm (2 major peaks 650-820 and 1360-1640 nm : 4 minor peaks 2180-2450, 2970-3180, 3650-3850 and 4500-4700 nm); 14 nm wide.

Taxonomy and relationships

Closterovirus

Comments and References

References

• Thottappilly, G., Harris, K.F. and Bath, J.E. (1975). Z. PflKrankh. PflPath. PflSchutz. 79: 686.

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.