Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Spartina mottle (?) rymovirus

Index

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

Data collated by P. Jones, 1990.

Nomenclature

Acronym

SpMV

ICTV decimal code

57.0.2.T.002

Host range and symptoms

Natural host range and symptoms

Symptoms persist. Symptoms leaf mottle.
• Spartina anglica, S. maritima, S. townsendii, S. glabra, S. alternifolia, S. sp. 2n=76, S. sp. 2n=92 - mottling.

Transmission

Transmitted by means not involving a vector. Virus transmitted by mechanical inoculation.

Ecology and control

Studies reported by Jones (1980).

Geographical distribution

Spreads in France and the UK.

Experimental host range

Few (<3) families susceptible. Experimentally infected plants mostly show green-yellow leaf mottling.

Diagnostically susceptible host species and symptoms

• Spartina spp. - mottling.

Diagnostically insusceptible host species

Chenopodium amaranticolor, Avena sativa, Elytrigia repens, Nicotiana glutinosa, Phleum pratense.

Maintenance and propagation hosts

Spartina anglica.

Assay hosts (Local lesions or Whole plants)

Spartina anglica (W).

Susceptible host species

• Spartina alternifolia
• Spartina anglica
• Spartina glabra
• Spartina maritima
• Spartina townsendii

Insusceptible host species

• Avena sativa
• Beta vulgaris
• Chenopodium amaranticolor
• Chloris gayana
• Cucumis sativus
• Cynodon dactylon
• Dactylis glomerata
• Elytrigia repens
• Hordeum vulgare
• Lolium multiflorum
• Nicotiana clevelandii
• Nicotiana glutinosa
• Nicotiana tabacum
• Oryza sativa
• Petunia × hybrida
• Phaseolus vulgaris
• Phleum pratense
• Setaria italica
• Triticum aestivum
• Zea mays

Families containing susceptible hosts

• Gramineae (5/17)

Families containing insusceptible hosts

• Chenopodiaceae (2/2)
• Cucurbitaceae (1/1)
• Gramineae (12/17)
• Leguminosae-Papilionoideae (1/1)
• Solanaceae (4/4)

Sources of host-range data

Jones (1980).

Physical and biochemical properties

Properties of particles in sap

Leaf sap contains few virions.

Purification method

Jones (1980).

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 725 nm; 12 nm wide. Axial canal obscure. Basic helix obscure.

Physical properties

One sedimenting component in purified preparations; sedimentation coefficient 150 S.

Cytopathology

Virions found in leaves, roots and mesophyll; in cytoplasm. Inclusions present in infected cells; are pinwheels; and are laminar inclusions.

Taxonomy and relationships

Possible Rymovirus: Potyviridae

Virus(es) with serologically related virions

Agropyron mosaic virus.

Virus(es) with serologically unrelated virions

Sugarcane mosaic, ryegrass mosaic and oat necrotic mottle viruses.

Comments and References

References

• Jones, P. (1980). Ann. appl. Biol. 94: 77.

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.