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Peronospora variabilis (downy mildew of quinoa )
Peronospora variabilis
downy mildew of quinoa
Peronospora farinose f. sp. chenopodii
Widespread, Canada, Denmark, India, South America, Korea
PA
2021-04-29
fungus
Brazil
Limited to quinoa and other Chenopodium spp.
PEROVA
1 Known Hosts
Chenopodium quinoa
quinoa
Yes
PEROVA-3, PEROVA-4
Transmission ranged from 0.2% to 5% in laboratory growouts. Higher transmission with higher relative humidities.
Yes
grow out
Tested by growout in high relative humidity in research. This method has not been validated or standardized.
PEROVA-3
PEROVA-3
Danielsen, Mercado, Ames and Munk. 2004. Seed transmission of downy mildew (Peronospora farinose f.sp. chenopodii) in quinoa and effect of relative humidity on seedling infection. Seed Sci and Technol. 32; 91-98
PEROVA-4
Testen AL, Jiménez-Gasco Mdel M, Ochoa JB, Backman PA, 2014. Molecular detection of Peronospora variabilis in quinoa seed and phylogeny of the quinoa downy mildew pathogen in South America and the United States. Phytopathology, 104:379-386
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