Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Sweet potato leaf curl (?) badnavirus

Index

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

Data collated by A.A. Brunt and S. Green, 1988.

Nomenclature

ICTV decimal code

07.0.1.T.DE.2

Host range and symptoms

Natural host range and symptoms

Symptoms vary seasonally.
• Ipomoea batatas - upward curling of leaves and vein swelling on young plants, but later few or no symptoms.

Transmission

Transmitted by a vector; an insect; Bemisia tabaci; Aleyrodidae. Transmitted in a persistent manner. Virus not transmitted by mechanical inoculation; transmitted by grafting; not transmitted by contact between plants; not transmitted by seed.

Geographical distribution

Spreads in Japan and Taiwan.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Ipomoea batatas cv. Tainung 63, Ipomoea nil - curling of young leaves.

Susceptible host species

• Ipomoea batatas
• Ipomoea nil

Families containing susceptible hosts

• Convolvulaceae (2/2)

Sources of host-range data

Chung et al. (1985).

Physical and biochemical properties

Particle morphology

Virions bacilliform; not enveloped.

Cytopathology

Virions found in phloem; in cytoplasm.

Taxonomy and relationships

Possible Badnavirus

Comments and References

References

• Chung, M.L., Liao, C.H., Chen, M.J. and Chiu, R.J. (1985). Pl. Prot. Bull., Taiwan 27: 333.
• Liao, C.H., Chien, I.C., Chung, M.L., Chiu, R.J. and Han, Y.H. (1979). J. agric. Res. China 28: 121.
• Yamashita, S., Doi, Y. and Shin, K.A. (1984). Ann. Phytopath. Soc. Japan. 50: 438.

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.