Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Trichosanthes mottle (?) potyvirus

Index

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

Data collated by A.A. Brunt, 1994.

Nomenclature

Acronym

TrMV

ICTV decimal code

57.0.1.T.086

Host range and symptoms

Natural host range and symptoms

Trichosanthes rostrata - leaf mottling.

Transmission

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

Geographical distribution

Spreads in the Eastern Asian region; Japan.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Benincasa hispida, Cucumis sativus, Cucurbita maxima × C. moschata, C. moschata, Luffa cylindrica and Momordica charantia - systemic chlorotic spotting.
• Citrullus lanatus, Cucumis melo, Lagenaria leucantha and Trichosanthes anguina - systemic vein clearing, vein necrosis, mottling and/or distortion.
• Trichosanthes rostrata - systemic mottling.

Diagnostically insusceptible host species

Chenopodium amaranticolor, C. murale, C. quinoa, Datura stramonium, Nicotiana clevelandii, N. glutinosa.

Maintenance and propagation hosts

Cucurbita pepo.

Assay hosts (Local lesions or Whole plants)

Cucurbita pepo (W).

Susceptible host species

• Benincasa hispida
• Citrullus lanatus
• Cucumis melo
• Cucumis sativus
• Cucurbita maxima × C. moschata
• Cucurbita moschata
• Cucurbita pepo
• Lagenaria leucantha
• Luffa cylindrica
• Momordica charantia
• Trichosanthes anguina
• Trichosanthes rostrata

Insusceptible host species

• Chenopodium amaranticolor
• Chenopodium murale
• Chenopodium quinoa
• Datura stramonium
• Nicotiana clevelandii
• Nicotiana glutinosa

Families containing susceptible hosts

• Cucurbitaceae (12/12)

Families containing insusceptible hosts

• Chenopodiaceae (3/3)
• Solanaceae (3/3)

Physical and biochemical properties

Properties of particles in sap

TIP: 50 °C. LIV: 5-8 days. DEP: log₁₀ minus 3.

Purification method

Yonaha et al., 1988.

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 750 nm.

Cytopathology

Virions found in cytoplasm. Inclusions are pinwheels.

Taxonomy and relationships

Possible unassigned potyvirus

Virus(es) with serologically related virions

Papaya leaf-distortion mosaic.

Virus(es) with serologically unrelated virions

Papaya ringspot, zucchini yellow mosaic and watermelon mosaic-2 viruses.

Comments and References

References

• Yonaha, T., Tamori, M., Fujiwara, Y. and Ishimine, M. (1988). Bull. Coll. Agric. Univ. Ryukus 35: 1-15.

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.