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Peronospora farinosa f.sp. spinaciae (downy mildew of spinach )
Peronospora farinosa f.sp. spinaciae
downy mildew of spinach
Botrytis effusa, Botrytis farinosa, Peronospora effusa,Peronospora spinaciae
Worldwide, primarily in cool temperate areas wherever spinach is grown.
Widespread
2021-05-03
fungus
Brazil
spinach
PEROFS
This pathogen has been reported in Brazil
1 Known Hosts
Spinacia oleracea
spinach
Yes
PEROFS-3,PEROFS-4
Seed as a pathway is well established and accepted.
Yes
Wash Test, Grow out
Wash test is a standard method of the NSHS. Commercially available growout testing also available.
NSHS has two standard wash methods.
PEROFS-4,PEROFS-5
Yes, fungicides have been shown effective
PEROFS-3
PEROFS-3
International Seed Federation Regulated Pest List Database. www.pestlist.worldseed.org Nyon, Switzerland
PEROFS-4
Inaba, T., Takahashi, K. and Morinaka, T. (1983). Seed transmission of spinach downy mildew. Plant Disease, 67, 1139-1141.
PEROFS-5
Seed Health Testing Method for Peronospora farinosa f.sp. spinaciae Rb 2.1 National Seed Health System. http://www.seedhealth.org
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