Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Bean distortion dwarf (?) bigeminivirus

Index

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

Data collated by A.A. Brunt, 1992.

Nomenclature

Acronym

BDDV

ICTV decimal code

29.0.3.T.DE.1

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Phaseolus vulgaris - small distorted leaves, systemic necrosis and stunting.

Transmission

Transmitted by a vector; an insect; Bemisia tabaci; Aleyrodidae. Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in China.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Phaseolus vulgaris, Vigna unguiculata - mild systemic chlorosis, production of small distorted leaves, systemic necrosis and plant stunting.

Maintenance and propagation hosts

Phaseolus vulgaris, Vigna unguiculata.

Assay hosts (Local lesions or Whole plants)

Phaseolus vulgaris (W).

Susceptible host species

• Capsicum annuum
• Datura stramonium
• Nicotiana glutinosa
• Nicotiana tabacum
• Phaseolus vulgaris
• Vigna unguiculata

Families containing susceptible hosts

• Leguminosae-Papilionoideae (2/2)
• Solanaceae (4/4)

Sources of host-range data

Xi et al. (1982).

Physical and biochemical properties

Particle morphology

Virions geminate; not enveloped; 20 nm in diameter.

Physical properties

A₂₆₀/A₂₈₀ ratio 1.36.

Biochemical properties

Genome consists of DNA; single-stranded.

Cytopathology

Virions found in leaves and mesophyll; in cytoplasm.

Taxonomy and relationships

Possible bigeminivirus: Geminiviridae

Comments and References

General comments

The reported size of the virions is unusually small for a geminivirus.

References

• Xi, Z., Xu, S. and Mang, K. (1982). Acta Microbiol. Sin. 22: 293.

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.