Datasheet
Gymnosporangium asiaticum (Japanese pear rust)
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Identity
Top of pagePreferred Scientific Name
- Gymnosporangium asiaticum Miyabe ex G. Yamada
Preferred Common Name
Other Scientific Names
- Gymnosporangium chinense Long
- Gymnosporangium haraeanum Syd. & P. Syd.
- Gymnosporangium japonicum P. Syd.
- Gymnosporangium koreaense H.S. Jacks.
- Gymnosporangium spiniferum Syd. & P. Syd.
- Roestelia koreaensis Henn. [anamorph] Henn.
International Common Names
- English: Chinese juniper rust; Japanese pear leaf rust; Japanese pear-juniper leaf rust; Juniperus spp. leaf rust; oriental pear rust; pear-juniper leaf rust; pear-juniper rust
- Spanish: roya del peral; roya del peral japonés; roya japonesa del peral
- French: rouille du poirier; rouille du poirier japonais; rouille japonaise du poirier
Local Common Names
- Germany: Rost der Japanischen Birne; Rost: Japanische Birne
EPPO code
- GYMNAS (Gymnosporangium asiaticum)
Taxonomic Tree
Top of page
- Domain: Eukaryota
- Kingdom: Fungi
- Phylum: Basidiomycota
- Subphylum: Pucciniomycotina
- Class: Pucciniomycetes
- Order: Pucciniales
- Family: Pucciniaceae
- Genus: Gymnosporangium
- Species: Gymnosporangium asiaticum
Distribution Table
Top of pageThe distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.
| Country | Distribution | Last Reported | Origin | First Reported | Invasive | References | Notes | ASIA |
| China | Widespread | | | | | Zhang & Huang, 1990; Zhang, 1990; EPPO, 2014 | |
| -Anhui | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Fujian | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Gansu | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Guangdong | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Guangxi | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Guizhou | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Hebei | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Henan | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Hong Kong | Present | | | | | UK CAB International, 1992; EPPO, 2014 | |
| -Hubei | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Hunan | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Jiangsu | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Jiangxi | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Jilin | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Liaoning | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Shaanxi | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Shandong | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Shanxi | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Sichuan | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Xinjiang | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Yunnan | Present | | | | | Zhang & Huang, 1990; EPPO, 2014 | |
| -Zhejiang | Present | | | | | Zhang & Huang, 1990; Xu & Zhu, 1997; EPPO, 2014 | |
| Japan | Present | | | | | Hiratsuka, 1975; EPPO, 2014 | |
| -Honshu | Present | | | | | Unemoto et al., 1989; EPPO, 2014 | |
| -Ryukyu Archipelago | Present | | | | | UK CAB International, 1992; EPPO, 2014 | |
| Korea, DPR | Present | | | | | UK CAB International, 1992; EPPO, 2014 | |
| Korea, Republic of | Present | | | | | Kim & Kim, 1982; UK CAB International, 1992; EPPO, 2014 | |
| Taiwan | Present | | | | | EPPO, 2014 | |
NORTH AMERICA |
| Canada | Absent, formerly present | | | | | EPPO, 2014 | |
| -British Columbia | Present, few occurrences | | | | | Ziller, 1974 | |
| USA | Restricted distribution | | | | | EPPO, 2014 | |
| -California | Present | | | | | UK CAB International, 1992; EPPO, 2014 | |
| -Connecticut | Present | | | | | UK CAB International, 1992; EPPO, 2014 | |
| -Oregon | Present | | | | | Ziller, 1974; EPPO, 2014 | |
| -Washington | Present | | | | | Ziller, 1974; EPPO, 2014 | |
| -Wisconsin | Present | | | | | UK CAB International, 1992; EPPO, 2014 | |
EUROPE |
| France | Absent, intercepted only | | | | | EPPO, 2014 | |
| Netherlands | Absent, confirmed by survey | | | | | EPPO, 2014; NPPO of the Netherlands, 2013 | Based on long-term annual surveys. |
| Russian Federation | Restricted distribution | | | | | EPPO, 2014 | |
| -Russian Far East | Present | | | | | EPPO, 2014 | |
List of Symptoms
Top of page| Sign | Life Stages | Type | Leaves |
| abnormal forms | | |
| fungal growth | | |
Stems |
| galls | | |
Plant Trade
Top of page| Plant parts liable to carry the pest in trade/transport | Pest stages | Borne internally | Borne externally | Visibility of pest or symptoms | | Leaves | fruiting bodies | Yes | Yes | Pest or symptoms usually visible to the naked eye |
| Stems (above ground), Shoots, Trunks, Branches | fruiting bodies | Yes | Yes | Pest or symptoms usually visible to the naked eye |
| Plant parts not known to carry the pest in trade/transport | | Bark |
| Bulbs, Tubers, Corms, Rhizomes |
| Flowers, Inflorescences, Cones, Calyx |
| Fruits (inc. pods) |
| Growing medium accompanying plants |
| Roots |
| Seedlings, Micropropagated plants |
| True seeds (inc. grain) |
| Wood |
References
Top of pageAldwinckle HS, 1990. Rust diseases. In: Compendium of apple and pear diseases. St Paul, USA: American Phytopathological Society, 10-14.
EPPO, 2006. Gymnosporangium spp. (non-European). Bulletin OEPP/EPPO Bulletin, 36(3):441-446. http://www.blackwell-synergy.com/servlet/useragent?func=showIssues&code=epp
EPPO, 2014. PQR database. Paris, France: European and Mediterranean Plant Protection Organization. http://www.eppo.int/DATABASES/pqr/pqr.htm
Harada Y, 1984. Pear and apple rusts in Japan, with special reference to their life cycles and host ranges. Report of the Tottori Mycological Institute 22:108-119.
Harada Y, 1998. Taxonomic studies of plant parasitic fungi on fruit trees and forest trees in Japan. Nippon-Kingakukai Kaiho, 39:89-96.
Hiratsuka N, 1975. Notes on the specific name of the cedar apples of pears and apples in Japan. Transactions of the Mycological Society of Japan, 16(1):90-92
Huang Yun, Cao WuQi, Deng ShaoHong, 1996. On hyperparasite of pear gall rust pathogen. IV. Overwintering, dissemination and entry of the hyperparasite. Acta Phytopathologica Sinica, 26(1):69-73; 7 ref.
Huang Yun, Chen YouLin, 1997. Hyperparasitism and biocontrol of Chaenomeles speciosa rust by Tuberculina vinosa from pear rust. Chinese Journal of Biological Control, 13(1):10-13; 7 ref.
Ishii H, Tomita Y, Horio T, Narusaka Y, Nakazawa Y, Nishimura K, Iwamoto S, 1999. Induced resistance of acibenzolar-S-methyl (CGA 245704) to cucumber and Japanese pear diseases. European Journal of Plant Pathology, 105(1):77-85; 26 ref.
Joseph E, 1981. Risks arising from the import of Bonsai plants with particular reference to Gymnosporangium asiaticum. EPPO Bulletin, 11(3):177-182
Kern FD, 1973. A Revised Taxonomic Account of Gymnosporangium. University Park, USA: Penn State University Press.
Kim SC, Kim CH, 1982. Studies on the disease of pear rust caused by Gymnosporangium harpanum Sydow II. Survey of juniper host and chemical control of pear rust. Korean Journal of Plant Protection, 21(4):207-210
Laundon G, 1977. Gymnosporangium asiaticum. CMI Descriptions of Pathogenic Fungi and Bacteria No. 541. Wallingford, UK: CAB International.
Lee DH, 1990. Protective and curative effects of ergosterol biosynthesis inhibitors against pear rust. Korean Journal of Plant Pathology, 6(3):343-351
Lee DH, 1990. Studies on the several factors in relation to pear rust infection caused by Gymnosporangium asiaticum Miyabe et Yamada. Korean Journal of Plant Pathology, 6(1):65-72
OEPP/EPPO, 2000. EPPO Standards PM 1/2(8) EPPO A1 and A2 lists of quarantine pests. In: EPPO Standards PM 1, General Phytosanitary Measures. Paris, France: EPPO, 5-17.
Ohyama H, Wada T, Ishikawa H, Chiba K, 1988. HF-6305, a new triazole fungicide. Brighton Crop Protection Conference. Pests and Diseases - 1988. Vol.2 Thornton Heath, UK; British Crop Protection Council, 519-526
Peterson RS, 1967. Studies of juniper rusts. The West Madrono, 19: 9-91.
Sakuma T, 1992. Pathogenic races of Gymnosporangium asiaticum on Japanese pear and pathogenicity to some species in genus Pyrus. Bulletin of the Fruit Tree Research Station, No. 22:67-78
Smith IM, Dunez J, Lelliott RA, Phillips DH, Archer SA(Editors), 1988. European handbook of plant diseases. Oxford, UK: Blackwell Scientific Publications.
Smith IM, McNamara DG, Scott PR, Holderness M, 1997. Quarantine pests for Europe. Second Edition. Data sheets on quarantine pests for the European Union and for the European and Mediterranean Plant Protection Organization. Quarantine pests for Europe. Second Edition. Data sheets on quarantine pests for the European Union and for the European and Mediterranean Plant Protection Organization., Ed. 2:vii + 1425 pp.; many ref.
Tai FL, 1933. Pear rust caused by Gymnosporangium haraeanum and its control. Nanking Journal, No. 3:143-152.
Tanaka T, 1922. New Japanese fungi. Notes and translations XII. Mycologia, 14:282-287.
UK CAB International, 1992. Gymnosporangium asiaticum. [Distribution map]. Distribution Maps of Plant Diseases, October (Edition 2). Wallingford, UK: CAB International, Map 530.
Unemoto S, Murata A, Nagai Y, 1989. Dispersal of Japanese pear rust fungus, Gymnosporangium asiaticum Miyabe ex Yamada. Annals of the Phytopathological Society of Japan, 55(2):250-253
Wang JC, Hu WF, 1997. Study on the occurrence of pear rust disease. South China Fruits, 26(2):40.
Wang K, Bai JK, Li DH, Deng GY, 1993. Identification and biological characteristics of Gymnosporangium asiaticum Miyabe ex Yamada f.sp. crataegicola infecting hawthorn. Acta Phytopathologica Sinica, 23(2):187-192
Xu HW, Zhu YP, 1997. Study on the occurrence of Gymnosporangium asiaticum in Hangzhou district and its control. China Fruits, No. 1:10-12.
Zhang BC, Huang YC, 1990. A list of important plant diseases in China. Review of Plant Pathology, 69(3):97-118
Zhang NT, 1990. Report of a national survey on diseases of urban ornamental plants. Forest Pest and Disease, No. 1:44-46
Ziller WG, 1974. The tree rusts of Western Canada. Victoria, BC, Canada: Canadian Forestry Service, 272 pp.
Distribution Maps
Top of page
- = Present, no further details
- = Evidence of pathogen
- = Widespread
- = Last reported
- = Localised
- = Presence unconfirmed
- = Confined and subject to quarantine
- = See regional map for distribution within the country
- = Occasional or few reports