Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Poplar decline (?) 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

poplar potyvirus, populus virus.

Acronym

PV

ICTV decimal code

57.0.1.T.072

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Populus × canadensis, P. grandidenta, P. tremuloides - chlorotic and/or necrotic leafspots in spring, bronzing and necrosis of leaves later and, ultimately, death of branches and then trees.

Transmission

Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in the USA.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Phaseolus vulgaris, P. lunatus, Vigna unguiculata - local chlorotic or necrotic spots; systemic mottling and necrosis.
• Nicotiana clevelandii - mild systemic leaf chlorosis.
• Chenopodium quinoa - chloroitc local lesions; no systemic infection.

Diagnostically insusceptible host species

Cucumis sativus, Nicotiana glutinosa, N. tabacum, Petunia × hybrida, Pisum sativum.

Maintenance and propagation hosts

Nicotiana clevelandii, Phaseolus vulgaris, P. lunatus, Vigna unguiculata.

Assay hosts (Local lesions or Whole plants)

Chenopodium quinoa (L), Phaseolus vulgaris (W), Vigna unguiculata (W).

Susceptible host species

• Chenopodium quinoa
• Nicotiana clevelandii
• Phaseolus lunatus
• Phaseolus vulgaris
• Populus grandidenta
• Populus tremuloides
• Populus × canadensis
• Vigna unguiculata

Insusceptible host species

• Capsicum annuum
• Catharanthus roseus
• Chenopodium amaranticolor
• Cucumis sativus
• Cucurbita pepo
• Lactuca sativa
• Lycopersicon esculentum
• Medicago sativa
• Nicotiana glutinosa
• Nicotiana megalosiphon
• Nicotiana rustica
• Nicotiana tabacum
• Petunia × hybrida
• Physalis floridana
• Pisum sativum
• Raphanus sativus
• Zinnia elegans

Families containing susceptible hosts

• Chenopodiaceae (1/2)
• Leguminosae-Papilionoideae (3/5)
• Salicaceae (3/3)
• Solanaceae (1/9)

Families containing insusceptible hosts

• Apocynaceae (1/1)
• Chenopodiaceae (1/2)
• Compositae (2/2)
• Cruciferae (1/1)
• Cucurbitaceae (2/2)
• Leguminosae-Papilionoideae (2/5)
• Solanaceae (8/9)

Sources of host-range data

Martin et al. (1982).

Physical and biochemical properties

Properties of particles in sap

TIP: 60 °C. LIV: 1.2 days (at 22ºC). DEP: log₁₀ minus 5. Leaf sap contains few virions.

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 805 nm; 12.6 nm wide. Axial canal obscure.

Cytopathology

Inclusions present in infected cells; are pinwheels; they do not contain virions.

Taxonomy and relationships

unassigned potyvirus

Comments and References

References

• Martin, R.R., Berbee, J.G. and Omuema, J.O. (1982). Phytopathology 72: 1158.

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.