''Peronospora arborescens'' is a plant pathogen. It causes downy mildew on leaves of ''
Papaver
''Papaver'' is a genus of 70–100 species of frost-tolerant annuals, biennials, and perennials native to temperate and cold regions of Eurasia, Africa and North America. It is the type genus of the poppy family, Papaveraceae.
Description
The ...
'' spp. It has economic importance on ''
Papaver somniferum
''Papaver somniferum'', commonly known as the opium poppy or breadseed poppy, is a species of flowering plant in the family Papaveraceae. It is the species of plant from which both opium and poppy seeds are derived and is also a valuable orname ...
'' grown as an oilseed crop, for example in central and eastern Europe. It is controlled by sanitation,
crop rotation
Crop rotation is the practice of growing a series of different types of crops in the same area across a sequence of growing seasons. It reduces reliance on one set of nutrients, pest and weed pressure, and the probability of developing resistant ...
, use of clean seed and fungicide sprays of the foliage.
There are other species of ''Peronospora'' which occur on ''Papaver'': ''Peronospora argemones'' (
Gäum.), ''Peronospora cristata'' (
Tranzschel), and ''Peronospora papaveris-pilosi'' (
Vienn.-Bourg.).
References
Further reading
External links
{{Taxonbar, from=Q7169454
Peronosporales
Species described in 1855
Water mould plant pathogens and diseases
Food plant pathogens and diseases