Quarantine plant pathogen

'Candidatus Phytoplasma asteris' → Hishimonus sellatus → 'Candidatus Phytoplasma ziziphi'

Source EPPO: PHYPAS Vector EPPO: HISHSE Target EPPO: PHYPZI
RU RNQP K-K

← To all hypotheses

Scoring

All four metrics are dimensionless. The total score is the product of specificity, host distance and confidence.

0.500
Specificity
1 / the number of pathogens on the vector — this vector carries 2 pathogens in EPPO.
0.50
Host distance
1.0 = no shared hosts · 0.5 = shared family · 0.2 = shared genus · 0.0 = shared species.
1.00
Confidence (K-K)
K = confirmed vector (1.0), P = potential (0.5); both edges are multiplied.
0.250
Total
specificity × host distance × confidence

Distribution: 'Candidatus Phytoplasma ziziphi'

Countries with recorded presence per the EPPO Global Database (5 ISO codes).

JPKRCNINIT

Host plants: 'Candidatus Phytoplasma ziziphi'

Top 10 host taxa per EPPO; classes per EPPO host categorisation.

  • Ziziphus jujuba ZIPJU Major host
  • Amaranthus retroflexus AMARE Host
  • Camellia sp. CAHSS Host
  • Cichorium intybus CICIN Host
  • Diospyros kaki DOSKA Host
  • Euonymus bungeanus EUOBU Host
  • Hovenia tomentella HOVTO Host
  • Ipomoea batatas IPOBA Host
  • Malus sp. MABSS Host
  • Phragmites australis PHRCO Host

Synonyms: 'Candidatus Phytoplasma ziziphi'

  • witches' broom of jujube
  • JWB
  • Jujube witches' broom phytoplasma
  • Phytoplasma ziziphi

Sources

'Candidatus Phytoplasma asteris' ↔ Hishimonus sellatus

* Netherlands Food and Consumer Product Safety Authority (2025-09) Quick scan for Hishimonus sellatus. Accessed at: https://english.nvwa.nl/topics/pest-risk-analysis/documents/plant/plant-health/pest-risk-analysis/documents/quick-scan-hishimonus-sellatus

Hishimonus sellatus ↔ 'Candidatus Phytoplasma ziziphi'

* Jung H-Y, Sawayanagi T, Kakizawa S, Nishigawa H, Wei W, Oshima K, Miyata S, Ugaki M, Hibi T, Namba S (2003) ‘Candidatus Phytoplasma ziziphi’, a novel phytoplasma taxon associated with jujube witches’-broom disease. International Journal of Systematic and Evolutionary Microbiology 53, 1037-1041.
------- mentioning experimental transmission

* Kusunoki M,  Shiomi T, Kobayashi M, Okudaira T, Ohashi A, Nohira T (2022) A leafhopper (Hishimonus sellatus) transmits phylogenetically distant phytoplasmas: rhus yellows and hovenia witches’ broom phytoplasma. Journal of General Plant Pathology 68, 147-154.

* La YJ, Woo KS (1980) Transmission of jujube witches'-broom mycoplasma by the leafhopper Hishimonus sellatus Uhler. Journal of Korean Society of Forest Science 48(1), 29-39.

* Lee S-H, Han S-S, Cha B-J (2009) Mixed Infection of 16S rDNA I and V Groups of Phytoplasma in a Single Jujube Tree, The Plant Pathology Journal 25(1), 21-25. 

* Sun S, Zhang F, Tian X (1988) Studies on the biology and control of Hishimonus sellatus Uhler a vector of jujube witches’-broom disease. Journal of Plant Protection 15(3), 173-177. (in Chinese)