Quarantine plant pathogen
'Candidatus Liberibacter africanus' → Diaphorina citri → Closterovirus tristezae
RU A1 K-P potential
Scoring
All four metrics are dimensionless. The total score is the product of specificity, host distance and confidence.
0.167
Specificity
1 / the number of pathogens on the vector — this vector carries 6 pathogens in EPPO.
0.00
Host distance
1.0 = no shared hosts · 0.5 = shared family · 0.2 = shared genus · 0.0 = shared species.
0.50
Confidence (K-P)
K = confirmed vector (1.0), P = potential (0.5); both edges are multiplied.
0.000
Total
specificity × host distance × confidence
Distribution: Closterovirus tristezae
Countries with recorded presence per the EPPO Global Database (125 ISO codes).
CUAUEGSDILKRTRMEASSOINBOCOTOCMPYBNKEPHBRMGLKMUKMETGBGAATUGBJCILCMQUSCNJOTHNCGHMZNPVERESTPEFJNICDMYPACFTDAOTZECNGSVTTUYAEZMZWGPLBPTIDBSOMAFSYJMBAITGRSAPKBESIARHRZASZFRTWBZLYDZIRBTPGCLMAMXCRDOTNAWJPLABDNLALAGBMGTGYHNANVNYESRGEDMVGESPRCYGFMTNZWSWFPFGUMP
Host plants: Closterovirus tristezae
Top 10 host taxa per EPPO; classes per EPPO host categorisation.
- Citrus x aurantium CIDAU Major host
- Citrus x aurantium var. sinensis CIDSI Major host
- Citroncirus webberi CJCWE Host
- Citrus 1CIDG Host
- Citrus hybrids CIDHX Host
- Citrus hystrix CIDHY Host
- Citrus maxima CIDGR Host
- Citrus medica CIDME Host
- Citrus myrtifolia CIDAM Host
- Citrus reticulata CIDRE Host
Synonyms: Closterovirus tristezae
- Tristeza-Krankheit
- tristeza of citrus
- quick decline of citrus
- seedling yellows of citrus
- stem pitting of grapefruit
- die-back of lime
- bud-union decline of citrus
- tristeza de los cítricos
- podredumbre de la raicillas de los cítricos
- tristeza de los agrios
- tristeza des agrumes
- Citrus tristeza closterovirus
Sources
'Candidatus Liberibacter africanus' ↔ Diaphorina citri
* Ajene IJ, Khami FM, van Asch B, Pietersen G, Seid N, Rwomushana I, Ombura FLO, Momanyi G, Finyange P, Rasowo BA, Tanga CM, Mohammed S, Ekesi S (2020) Distribution of Candidatus Liberibacter species in Eastern Africa, and the first report of Candidatus Liberibacter asiaticus in Kenya. Scientific Reports 10, 3919 https://doi.org/10.1038/s41598-020-60712-0 * Gottwald TR (2010). Current epidemiological understanding of citrus huanglongbing. Annual Review of Phytopathology 48, 119-139.
Diaphorina citri ↔ Closterovirus tristezae
* Zhang J, Xiao Y, Hu P, Chen L, Deng X, Xu M (2024) Report of Citrus tristeza virus in Diaphorina citri (Hemiptera: Liviidae) insects of different sexes, color morphs, and developmental stages. Journal of Insect Science 24(1), 13. https://doi.org/10.1093/jisesa/ieae014 ------ Laboratory and field experiments conducted in China showing that the insect can acquire the virus.