Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Welsh onion yellow stripe (?) potyvirus

Index

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

Data collated by A.A. Brunt, 1995.

Nomenclature

Synonyms

onion yellow dwarf virus - Brazil (Costa et al., 1971), onion yellow dwarf virus - Japan (Fukami et al., 1989; Sako et al., 1991; Yoshino and Yasu, 1965).

ICTV decimal code

57.0.1.0.043

Host range and symptoms

Natural host range and symptoms

Allium chinense (rakkyo), A. fistulosum (Welsh onion) - yellow leaf striping.

Transmission

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

Geographical distribution

Spreads in Brazil, Indonesia, and Japan.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

Allium fistulosum, A. vineale (crow garlic) - systemic yellow leaf striping.
• Allium cepa var. cepa (onion) cv. Stuttgarter Riesen - bright systemic leaf striping, leaf distortion and stunting.
• Chenopodium amaranticolor, C. quinoa - local chlorotic lesions, no systemic infection.

Diagnostically insusceptible host species

Allium tuberosum (Chinese chive), A. sativum (garlic), A. porrum (leek).

Maintenance and propagation hosts

Allium cepa var. cepa cv. Stuttgarter Riesen.

Assay hosts (Local lesions or Whole plants)

Allium cepa var. cepa cv. Stuttgarter Riesen.

Susceptible host species

• Allium cepa
• Allium cepa var. cepa (cv. Stuttgarter Riesen)
• Allium chinense
• Allium fistulosum
• Allium vineale
• Chenopodium amaranticolor
• Chenopodium quinoa

Insusceptible host species

• Allium porrum
• Allium sativum
• Allium tuberosum
• Nicotiana benthamiana
• Nicotiana occidentalis
• Vicia faba

Families containing susceptible hosts

• Alliaceae (5/8)
• Chenopodiaceae (2/2)

Families containing insusceptible hosts

• Alliaceae (3/8)
• Leguminosae-Papilionoideae (1/1)
• Solanaceae (2/2)

Physical and biochemical properties

Particle morphology

Virions filamentous; usually flexuous; of 750 nm.

NCBI sequence data (Entrez search)

Taxonomy and relationships

Possible Potyvirus: Potyviridae

Virus(es) with serologically related virions

Shallot yellow stripe virus.

Virus(es) with serologically unrelated virions

Leek yellow stripe virus.

Comments and References

References

• Costa, A.S., Costa, C.L., Nagani, H. and Kitajima, E.W. (1971). O. Biologica 37: 157.
• Fukami, M., Natsuaki, K.T. and Tomaru, K. (1989). Ann. Phytopath. Soc. Japan 55: 542.
• Sako, I., Nakasone, W., Okada, K., Ohki, S.T., Osaki, T. and Inouye, T. (1991). Ann. Phytopath. Soc. Japan 57: 65.
• Van Dijk, P. and Sutarya, R. (1992). Onion Newsl. Trop. 4: 57.
• Van Dijk, P. (1993). Neth. J. Pl. Path. 99, Suppl. 2, 48 pp.
• Yoshino, M. and Yasu, M. (1965). Bull. Saitama Pref. Agric. Exp. Stn 26, 67pp.

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.