Phytophthora drechsleri (watermelon fruit rot)

Identity

Preferred Scientific Name

• Phytophthora drechsleri Tucker

Preferred Common Name

• watermelon fruit rot

Other Scientific Names

• Phytophthora melonis KATSURA
• Phytophthora sinensis YU & ZHUANG

International Common Names

• English: fruit rot: watermelon; root rot: safflower; safflower root rot
• Spanish: mildiu de la sandia
• French: deperissement des arbustes d'ornement; mildiou de la pasteque

Local Common Names

• Germany: Fruchtfaeule: Wassermelone

EPPO code

• PHYTDR (Phytophthora drechsleri)

Taxonomic Tree

• Domain: Eukaryota
•     Kingdom: Chromista
•         Phylum: Oomycota
•             Class: Oomycetes
•                 Order: Peronosporales
•                     Family: Peronosporaceae
•                         Genus: Phytophthora
•                             Species: Phytophthora drechsleri

Distribution Table

The 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.

Host plants/Plants Affected

References

Ann PaoJen, Wong InTin, Tsai JyhNong, Huang HungChang, 2012. New records of Phytophthora diseases of Chinese medicinal herbs in Taiwan. Plant Pathology Bulletin, 21(2):65-77.

EPPO, 2011. EPPO Reporting Service. EPPO Reporting Service. Paris, France: EPPO. http://archives.eppo.org/EPPOReporting/Reporting_Archives.htm

EPPO, 2014. PQR database. Paris, France: European and Mediterranean Plant Protection Organization. http://www.eppo.int/DATABASES/pqr/pqr.htm

Nezhad MS, Ershad D, Mirabolfathi M, Zamanizadeh H, 2010. Identification of Phytophthora species the causing root and crown rot of cherry trees in Tehran Province. Iranian Journal of Plant Pathology, 46(1):Pe81-Pe88, En21-En23. http://www.irjpp.ir/browse.php?a_id=340&sid=1&slc_lang=en

Shen YM, Chao CH, Liu HL, 2011. First report of Phytophthora drechsleri associated with stem and foliar blight of Gynura bicolor in Taiwan. Plant Disease, 95(7):874-875. http://apsjournals.apsnet.org/loi/pdis

UK CAB International, 1991. Phytophthora drechsleri. [Distribution map]. Distribution Maps of Plant Diseases, October (Edition 4). Wallingford, UK: CAB International, Map 281.

Distribution Maps

• = 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

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