Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Maize eyespot virus

Index

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

Data collated by A.A. Brunt, S. Molyneux and C. Fauquet, 1987.

Nomenclature

ICTV decimal code

79.0.P.DE.22

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Zea mays - chlorotic `eyespotting', and chlorosis.

Transmission

Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in Cote d'Ivoire.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Zea mays - chlorotic `eyespotting', and chlorosis.
• Avena sativa, Bromus sterilis - symptomless systemic infection.
• Hordeum vulgare - systemic chlorotic rings and mosaic.
• Triticum aestivum, T. durum, Nicotiana megalosiphon - symptomless.

Diagnostically insusceptible host species

Chenopodium amaranticolor, C. quinoa, C. murale, Oryza sativa.

Maintenance and propagation hosts

Zea mays.

Assay hosts (Local lesions or Whole plants)

Zea mays (W).

Susceptible host species

• Avena sativa
• Bromus sterilis
• Hordeum vulgare
• Nicotiana glutinosa × N. clevelandii
• Nicotiana megalosiphon
• Torenia fournieri
• Triticum aestivum
• Triticum durum
• Zea mays

Insusceptible host species

• Chenopodium amaranticolor
• Chenopodium murale
• Chenopodium quinoa
• Oryza sativa

Families containing susceptible hosts

• Gramineae (6/7)
• Scrophulariaceae (1/1)
• Solanaceae (2/2)

Families containing insusceptible hosts

• Chenopodiaceae (3/3)
• Gramineae (1/7)

Sources of host-range data

Fauquet and Thouvenel (1982).

Physical and biochemical properties

Properties of particles in sap

TIP: 80-85 °C. LIV: more than 20 days. DEP: log₁₀ minus 7-8. Leaf sap contains few virions.

Purification method

Fauquet and Thouvenel (1982).

Particle morphology

Virions isometric; 26 nm in diameter.

Biochemical properties

Virions contain 26 % nucleic acid; 74 % protein.

Taxonomy and relationships

(ungrouped)

Virus(es) with serologically unrelated virions

Rice yellow mottle, tobacco necrosis, maize stripe, tephrosia latent, southern bean mosaic, broad bean stain, pea enation mosaic, squash mosaic, cowpea mosaic, tobacco ringspot, tomato ringspot, cucumber mosaic, peanut stunt, tomato aspermy and red clover mottle viruses.

Comments and References

References

• Fauquet, C. and Thouvenel, J.-C. (1982). C. R. Acad. Sci. Paris 295: 293.

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.