Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Cowpea green vein-banding potyvirus

Index

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

Data collated by M.T. Lin, 1984.

Nomenclature

Acronym

CGVBV

ICTV decimal code

57.0.1.0.022

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Vigna unguiculata - green vein banding.

Transmission

Transmitted by a vector; an insect; Myzus persicae; Aphididae. Transmitted in a non-persistent manner. Virus transmitted by mechanical inoculation; transmitted by grafting; not transmitted by contact between plants; transmitted by seed.

Geographical distribution

Spreads in Brazil.

Experimental host range

Few (<3) families susceptible. Experimentally infected plants mostly show chlorotic local lesions, mosaic, leaf curling.

Diagnostically susceptible host species and symptoms

• Chenopodium amaranticolor, C. quinoa - chlorotic local lesions; not systemic.
• Phaseolus acutifolius - systemic vein clearing, mosaic, leaf curling.
• P. arborigenus - local vein necrosis.
• P. vulgaris cv. Black Turtle Soup - local and systemic infection.
• P. vulgaris cv. Bountiful - chlorotic local lesions.
• Vigna unguiculata cv. TVu 4536 - systemic green vein banding.

Diagnostically insusceptible host species

Glycine max cv. Bragg, Medicago sativa cv. du Puits, Phaseolus vulgaris cv. Pinto III, Pisum sativum cv. Dark Skin Perfection, Datura stramonium.

Maintenance and propagation hosts

Phaseolus vulgaris cv. Rico 23, Vigna unguiculata cvs Sempre Verde, TVu 4536.

Assay hosts (Local lesions or Whole plants)

Chenopodium amaranticolor (L), C. quinoa (L), Phaseolus vulgaris cv. Rico 23 (W).

Susceptible host species

• Chenopodium amaranticolor
• Chenopodium quinoa
• Gomphrena globosa
• Phaseolus acutifolius
• Phaseolus arborigenus
• Phaseolus lunatus
• Phaseolus vulgaris
• Vigna unguiculata

Insusceptible host species

• Antirrhinum majus
• Brassica oleracea var. capitata
• Capsicum annuum
• Chenopodium murale
• Cichorium endiva
• Cucumis sativus
• Cucurbita maxima
• Datura stramonium
• Glycine max
• Helianthus annuus
• Hordeum vulgare
• Lycopersicon esculentum
• Medicago sativa
• Nicotiana glutinosa
• Nicotiana tabacum
• Nicotiana × edwardsonii
• Petunia × hybrida
• Phaseolus vulgaris (cv. Pinto III)
• Physalis floridana
• Pisum sativum
• Raphanus sativus
• Solanum melongena
• Solanum nigrum
• Zea mays

Families containing susceptible hosts

• Amaranthaceae (1/1)
• Chenopodiaceae (2/3)
• Leguminosae-Papilionoideae (5/8)

Families containing insusceptible hosts

• Chenopodiaceae (1/3)
• Compositae (2/2)
• Cruciferae (2/2)
• Cucurbitaceae (2/2)
• Gramineae (2/2)
• Leguminosae-Papilionoideae (4/8)
• Scrophulariaceae (1/1)
• Solanaceae (10/10)

Physical and biochemical properties

Properties of particles in sap

TIP: 50-55 °C. DEP: log₁₀ minus 3-4. Leaf sap contains few virions.

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 780 nm; 12 nm wide. Axial canal obscure.

Cytopathology

Virions found in all parts of the host plant; in cytoplasm. Inclusions present in infected cells; are pinwheels; they do not contain virions.

Taxonomy and relationships

Potyvirus: Potyviridae

Virus(es) with serologically related virions

Cowpea rugose mosaic virus is related closely.

Virus(es) with serologically unrelated virions

Bean common mosaic, bean yellow mosaic, blackeye cowpea mosaic and soybean mosaic viruses.

Comments and References

References

• Lin, M.T., Anjos, J.R.N., Kitajima, E.W. and Rios, G.P. (1979a). Fitopatol. Bras. 4: 120.
• Lin, M.T., Anjos, J.R.N., Kitajima, E.W. and Rios, G.P. (1979b). Fitopatol. Bras. 4: 203.

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.