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Peronosclerospora sacchari (sugarcane downy mildew )
Peronosclerospora sacchari
sugarcane downy mildew
Sclerospora sacchari
Primarily China and India, though found in other tropical areas of Asia, Central America, Australia, Indonesia
Not known to occur.
2023-08-21 22:11:23
fungus
Mexico, Korea
sugarcane, corn
PRSCSA
2 Known Hosts
Zea mays
corn
Yes
PRSCSA-4,PRSCSA-6,ISF RPLD,McGEE
Pathogen is only transmitted with freshly harvested immature seed that has not been dried. Once dried (<20%), the pathogen is not transmitted.
Yes
Visual examination of the embryo
PRSCSA-6
Metalaxyl
Seed storage and drying to less than 20% mositure eliminated seed transmission.
PRSCSA-1
PRSCSA-4
Bonde, MR. 1982. Epidemiology of Downy Mildews of Maize, Sorghum and Pearl Millet. Tropical Pest Management 28:49-60
PRSCSA-6
Singh RS, Joshi MM, andChaube HS, 1968. Further evidence of the seedborne nature of Corn downy mildews and their possible control with chemicals. Plant Disease Reporter, 52:446-449.
ISF RPLD
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
McGEE
McGee, DC. 1988, Maize Diseases; A reference source for Seed Technoligists. American Phytopathological Society, St. Paul, MN USA
PRSCSA-1
Peronosclerospora sacchari In: Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
Saccharum officinarum
sugarcane
No
PRSCSA-4
There is no evidence that true seed is a pathway for this pathogen. Transmission more common with propagative "seed sets" or other propagative material.
PRSCSA-4
Bonde, MR. 1982. Epidemiology of Downy Mildews of Maize, Sorghum and Pearl Millet. Tropical Pest Management 28:49-60
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