Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Melilotus mosaic (?) 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

Acronym

MeMV

ICTV decimal code

57.0.1.T.051

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Melilotus indicus - leaf mosaic, mottling and stunting.

Transmission

Not transmitted by Aphis craccivora, A. gossypii. Virus transmitted by mechanical inoculation; not transmitted by seed.

Geographical distribution

Spreads in India.

Experimental host range

Several (3-9) families susceptible.

Diagnostically susceptible host species and symptoms

• Chenopodium amaranticolor, Tetragonia tetragonioides, Verbena hybrida - local lesions.
• Cajanus cajan, Crotalaria medicaginea, Datura stramonium, Nicotiana glutinosa, N. tabacum, Petunia × hybrida - systemic leaf chlorosis, necrosis and distortion.

Maintenance and propagation hosts

Nicotiana glutinosa.

Assay hosts (Local lesions or Whole plants)

Chenopodium amaranticolor (L).

Susceptible host species

• Cajanus cajan
• Chenopodium amaranticolor
• Crotalaria medicaginea
• Datura stramonium
• Lycopersicon esculentum
• Melilotus indicus
• Nicotiana glutinosa
• Nicotiana rustica
• Nicotiana tabacum
• Petunia × hybrida
• Solanum tuberosum
• Tetragonia tetragonioides
• Verbena hybrida

Families containing susceptible hosts

• Chenopodiaceae (1/1)
• Leguminosae-Papilionoideae (3/3)
• Solanaceae (7/7)
• Tetragoniaceae (1/1)
• Verbenaceae (1/1)

Sources of host-range data

Naqvi and Mahmood (1978).

Physical and biochemical properties

Properties of particles in sap

TIP: 60 °C. LIV: 4 days (at 25ºC). DEP: log₁₀ minus 4.

Purification method

Naqvi and Mahmood (1978).

Particle morphology

Virions filamentous; usually flexuous; of 600-620 nm; 12 nm wide.

Physical properties

Sedimentation coefficient 118 S.

Taxonomy and relationships

unassigned potyvirus

Virus(es) with serologically related virions

Tobacco etch virus.

Comments and References

General comments

Although reported to be serologically related to tobacco etch virus, the virus has unusually short virions for a potyvirus.

References

• Naqvi, Q.A. and Mahmood, K. (1978). Phytopath. Z. 93: 249.

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.