Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Shallot 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

Strains

Common and virulent (Van Dijk, 1993).

ICTV decimal code

57.0.1.T.D.12

Host range and symptoms

Natural host range and symptoms

Allium cepa var. ascalonicum - mild striping of young leaves.

Transmission

Transmitted by a vector; an insect; Acyrthosiphon pisum, Myzus cymbalariae; Aphididae. Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in China, Indonesia, and Thailand.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Allium cepa var. cepa cv. Stuttgarter Riesen - systemic leaf chlorosis, necrosis and malformation, plant stunting and, occasionally, death (virulent strain), or systemic chlorotic striping (common strain).
• Allium sativum, Lilium formosanum - systemic yellow leaf striping and etching (virulent strain).

Diagnostically insusceptible host species

Allium porrum (leek), A. fistulosum (Welsh onion), Chenopodium amaranticolor, C. murale, C. quinoa, Nicotiana benthamiana, N. occidentalis, Vicia faba.

Maintenance and propagation hosts

Allium cepa var. cepa.

Assay hosts (Local lesions or Whole plants)

Allium cepa var. cepa (W).

Susceptible host species

• Allium cepa
• Allium cepa var. ascalonicum
• Allium cepa var. cepa (cv. Stuttgarter Riesen)
• Allium sativum
• Lilium formosanum

Insusceptible host species

• Allium fistulosum
• Allium porrum
• Celosia argentea
• Chenopodium amaranticolor
• Chenopodium murale
• Chenopodium quinoa
• Nicotiana benthamiana
• Nicotiana occidentalis
• Spinacia oleracea
• Vicia faba

Families containing susceptible hosts

• Alliaceae (4/6)
• Liliaceae (1/1)

Families containing insusceptible hosts

• Alliaceae (2/6)
• Amaranthaceae (1/1)
• Chenopodiaceae (4/4)
• Leguminosae-Papilionoideae (1/1)
• Solanaceae (2/2)

Physical and biochemical properties

Particle morphology

Virions filamentous; usually flexuous; of 750 nm.

Cytopathology

Inclusions present in infected cells; are viroplasms.

Taxonomy and relationships

Possible Potyvirus: Potyviridae

Virus(es) with serologically unrelated virions

Leek yellow stripe and onion yellow dwarf viruses.

Comments and References

References

• Van Dijk, P. (1993). Neth. J. Pl. Path. 99: Suppl.2, 48pp.

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.