Red Valerian mildew

Plant diseases
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markwilson
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Posts: 96
Joined: Mon Jun 01, 2015 1:42 pm
Location: Crowcombe West Somerset

Red Valerian mildew

Post by markwilson »

Could this be Golovinomyces valerianae (Erysiphe valerianae) on Red Valerian - it is the only mildew I can find on this plant in the literature from West Somerset July 2021- Thanks Mark
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gary
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Posts: 68
Joined: Sun May 17, 2015 10:18 am

Re: Red Valerian mildew

Post by gary »

Hi Mark,
I don't know but I would recommend the mildew /rusts and smuts books free to download here
https://www.aber.ac.uk/waxcap/links/index.shtml

cheers
Gary
markwilson
Regular user
Posts: 96
Joined: Mon Jun 01, 2015 1:42 pm
Location: Crowcombe West Somerset

Re: Red Valerian mildew

Post by markwilson »

Thanks G valerianae is the only one listed

Mark
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