Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Daphne Y potyvirus

Index

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

Data collated by A.A. Brunt, 1991.

Nomenclature

Synonyms

daphne chlorotic mosaic Y potyvirus.

Acronym

DVY

ICTV decimal code

57.0.1.T.024

Host range and symptoms

Natural host range and symptoms

• Daphne odora, D. cneorum, D. retusa, D. mezereum - leaf chlorosis and distortion, decreased flower quality.

Transmission

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

Geographical distribution

Spreads in Australia, the Netherlands, New Zealand, and the UK.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Chenopodium album, C. amaranticolor, Spinacia oleracea - chlorotic and/or necrotic local lesions; no systemic infection.
• Chenopodium quinoa - chlorotic local lesions; systemic chlorotic flecks or blotches.
• Nicotiana clevelandii - symptomless local infection or etched necrotic rings; symptomless systemic infection.

Diagnostically insusceptible host species

Cucumis sativus, Gomphrena globosa, Nicotiana tabacum, Phaseolus vulgaris, Vigna unguiculata.

Maintenance and propagation hosts

Chenopodium quinoa.

Assay hosts (Local lesions or Whole plants)

Chenopodium amaranticolor (L), C. quinoa (L).

Susceptible host species

• Chenopodium album
• Chenopodium amaranticolor
• Chenopodium quinoa
• Daphne cneorum
• Daphne mezereum
• Daphne odora
• Daphne retusa
• Nicotiana clevelandii
• Spinacia oleracea

Insusceptible host species

• Antirrhinum majus
• Beta vulgaris
• Brassica campestris ssp. pekinensis
• Cassia occidentalis
• Cucumis melo
• Cucumis sativus
• Cucurbita maxima
• Dianthus barbatus
• Gomphrena globosa
• Matthiola incana
• Nicotiana glutinosa
• Nicotiana tabacum
• Petunia × hybrida
• Phaseolus vulgaris
• Pisum sativum
• Vicia faba
• Vigna unguiculata
• Zinnia elegans

Families containing susceptible hosts

• Chenopodiaceae (4/5)
• Solanaceae (1/4)
• Thymelaeaceae (4/4)

Families containing insusceptible hosts

• Amaranthaceae (1/1)
• Caryophyllaceae (1/1)
• Chenopodiaceae (1/5)
• Compositae (1/1)
• Cruciferae (2/2)
• Cucurbitaceae (3/3)
• Leguminosae-Caesalpinioideae (1/1)
• Leguminosae-Papilionoideae (4/4)
• Scrophulariaceae (1/1)
• Solanaceae (3 /4)

Sources of host-range data

Forster and Milne (1976).

Physical and biochemical properties

Properties of particles in sap

TIP: 65 °C. LIV: 8-10 days (at 20ºC). DEP: log₁₀ minus 5.

Purification method

Forster and Milne (1976).

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 733 nm; 13 nm wide. Axial canal obscure. Basic helix obscure.

Physical properties

One sedimenting component in purified preparations; sedimentation coefficient 149 S.

Cytopathology

Virions found in leaves and mesophyll; in cytoplasm. Inclusions present in infected cells; are pinwheels; they do not contain virions.

Taxonomy and relationships

Potyvirus: Potyviridae

Virus(es) with serologically unrelated virions

Bean yellow mosaic, lettuce mosaic, maize dwarf mosaic, passionfruit woodiness, potato Y, tobacco etch, tamarillo mosaic, turnip mosaic and watermelon mosaic 2 viruses.

Comments and References

References

• Bos, L. (1971). Jversl. Inst. PlZt. 1971, p. 84.
• Forster, R.L.S. and Milne, K.S. (1975). N.Z. Jl agric. Res. 18; 391.
• Forster, R.L.S. and Milne, K.S. (1976). N.Z. Jl agric. Res. 19: 359.
• Sutton, J. and Taylor, R.M. (1973). Rep. Vic. Res. Inst. 1972-1973, p. 12.

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.