Peronospora spp.

Downy Mildew

Peronospora spp., Downy Mildew. A widespread type of parasitic fungus, usually host specific. These examples are on Blackberry leaves, Rubus agg., in winter.


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Peronospora spp., Downy Mildew
Infected leaf
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Peronospora spp., Downy Mildew
Downy Mildew
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Peronospora spp., Downy Mildew
Leaf upper surface
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Peronospora spp., Downy Mildew
Sporangia
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Peronospora spp., Downy Mildew
Leaf underside

Photograph detail


Slide 1: Peronospora spp., Downy Mildew on Rubus agg. leaves. West Wood, Redmire. December.


Slide 2: Peronospora spp., Downy Mildew on Rubus agg. leaf. West Wood, Redmire. December.


Slide 3: Peronospora spp., Downy Mildew on Rubus agg. leaves. Upper surface of leaf. West Wood, Redmire. December.


Slide 4: Peronospora spp., Downy Mildew on Rubus agg. Sporangia (spore bearing structures). West Wood, Redmire. December.


Slide 5: Peronospora spp., Downy Mildew on Rubus agg. Underside of leaf. West Wood, Redmire. December.