Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Strawberry mild yellow edge luteovirus

Index

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

Data collated by R.H. Converse, 1985 and J.A. Cooper, 1985.

Nomenclature

Synonyms

soybean dwarf luteovirus.

ICTV decimal code

39.0.1.0.015

Host range and symptoms

Natural host range and symptoms

• Fragaria chiloensis, F. × ananassa - usually symptomless.
• F. vesca - leaflets cupped, chlorotic margins, vigour reduced. An isolate from the Pacific Coast of North America causes chlorotic vein netting and necrosis of youngest leaves.
• F. virginiana - leaflets cupped, vigour reduced.

Transmission

Transmitted by a vector; an insect; Chaetosiphon fragaraefolii, C. thomasi, C. thomasi jacobi; Aphididae. Transmitted in a persistent manner. Virus can help the vector transmission of another virus (strawberry mild yellow edge-associated potexvirus); not transmitted by mechanical inoculation; transmitted by grafting; not transmitted by contact between plants (of Fragaria vesca clone UC-6); not transmitted by seed; not transmitted by pollen.

Geographical distribution

Probably distributed worldwide. Spreads in the Eastern Asian region, the Eurasian region, the Mediterranean region, the North American region, and the Pacific region.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Fragaria vesca - leaflets cupped, chlorotic margins, vigour reduced; chlorotic vein netting and necrosis of young leaves with Pacific coast strain.
• F. virginiana - leaflets cupped, vigour reduced.
• F. ovalis - symptomless carrier.

Diagnostically insusceptible host species

Fragaria vesca strain UC-6 is insusceptible or only very mildly infected when graft inoculated.

Maintenance and propagation hosts

Fragaria chiloensis, F. × ananassa, F. vesca, F. virginiana.

Assay hosts (Local lesions or Whole plants)

Fragaria vesca (W).

Susceptible host species

• Citrus aurantium
• Duchesnea indica
• Fragaria chiloensis
• Fragaria ovalis
• Fragaria vesca
• Fragaria virginiana
• Fragaria × ananassa
• Sanguisorba minor

Insusceptible host species

• Fragaria vesca (strain UC-6 is insusceptible or only very mildly infected when graft inoculated)

Families containing susceptible hosts

• Rosaceae (7/7)
• Rutaceae (1/1)

Families containing insusceptible hosts

• Rosaceae (1/7)

Physical and biochemical properties

Properties of particles in sap

TIP: cannot be directly measured but is 45-50 °C (for aphid acquisition from living leaves). Leaf sap contains few virions.

Purification method

Martin and Converse (1982; 1985).

Particle morphology

Virions isometric; not enveloped; 23-28 nm in diameter; angular in profile; without a conspicuous capsomere arrangement.

Physical properties

One sedimenting component in purified preparations.

NCBI sequence data (Entrez search)

Cytopathology

Virions found in roots (Yosuikewa, 1985).

Taxonomy and relationships

Luteovirus

Virus(es) with serologically related virions

Soybean dwarf virus, closely; beet western yellows virus.

Virus(es) with serologically unrelated virions

Potato leafroll, bean leaf roll and tobacco necrotic dwarf viruses. The relationship to soybean dwarf virus is so close that they are probably the same species.

Comments and References

References

• Converse, R.H., Martin, R.R. and Spiegel, S. (1987). In: Virus Diseases of Small Fruits; ed. R.H. Converse. U.S. Dep. Agric. Hdbk No. 631, p. 25.
• Harris, R.V. (1933). J. Pomol. 11: 56.
• Harris, R.V. and King, M.E. (1940). Rep. East Malling Res. Stn. 1939, p. 66.
• Horne, W.T. (1922). Rep. Calif. Agric. Exp. Stn. 1921-1922, p. 122.
• Martin, R.R. and Converse, R.H. (1982). Acta Hort. 129: 75.
• Martin, R.R. and Converse, R.H. (1985). Phytopath. Z. 114: 21.
• Mellor, F.C. and Frazier, N.W. (1970). In: Virus Diseases of Small Fruits and Grapevines, p. 14; ed. N.W. Frazier. Univ. Calif. Div. Agric. Sci., Berkeley.
• Yankulova, M. and Schmelzer, K. (1974). Virusni bolesti po rastenyala, pp.33-42.
• Yoshikawa, N., Ohki, S.T., Kobatake, H., Osaki, T. and Inouye, T. (1984). Ann. Phytopath. Soc. Japan 50: 659.
• Yoshikawa, N. and Inouye, T. (1986). Ann. Phytopath. Soc. Japan 52: 643.

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.