EPPO Global Database

Avocado sunblotch viroid(ASBVD0)

Distribution details in Australia

Situation
Current pest situation evaluated by EPPO on the basis of information dated 2023: Present, few occurrences
From CABI Disease map 1145 (2013): Present, few occurrences
Comments
Bonnéry et al. (2023): extremely rare and known to be present in only four avocado ‘Hass’ trees at a single orchard in South-east Queensland (location protected for privacy reasons).
References
* Allen, R. N.; Dale, J. L. (1981) Annals of Applied Biology 98 (3), 451-461

* Bonnéry DB, Pretorius LS, Jooste AE, Geering AD, Gilligan CA (2023) Rational design of a survey protocol for avocado sunblotch viroid in commercial orchards to demonstrate pest freedom. Plos one 18(4), e0277725. https://doi.org/10.1371/journal.pone.0277725

* Dale JL, Allen RN (1979) Avocado affected by sunblotch disease contains low molecular weight ribonucleic acid. Australasian Plant Pathology 8, p 3.

* Geering, A.; Steele, V. (2009) Better control of avocado sunblotch disease through improved diagnostic technologies. Horticulture and Forestry Science, Queensland Primary Industries and Fisheries. http://industry.avocado.org.au/documents/ANZAGC09/Thurs/MR2/Andrew%20Geering.pdf.
------- Eradication programme is underway.

* Pallas, V.; Garcia-Luque, I.; Domingo, E.; Flores, R. (1988) Nucleic Acids Research 16 (20), 9864

* Semancik JS (2003) Avocado sunblotch viroid. In: Viroids (Hadidi, Flores, Randles, Semancik eds), CSIRO Publishing, Australia, pp 171-177.

* Thomas W, Mohamed NA (1979) Avocado sunblotch - a viroid disease? Australasian Plant Pathology 8, p 1-3.