Uromyces transversalis?

Plant diseases
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markwilson
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Uromyces transversalis?

Post by markwilson » Sun Sep 02, 2018 7:06 am

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Yellow/oranging of Montbretia (Crocosmia) in Dunster (W Somerset). Could it be Uromyces transversalis? (Gladiolus rust)

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Chris Yeates
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Location: Huddersfield, West Yorkshire

Re: Uromyces transversalis?

Post by Chris Yeates » Wed Sep 05, 2018 9:06 pm

Hi Mark
I can't see any evidence of a fungus breaking the epidermis (or leaf thickening). It just looks like localised chlorosis or similar to me. FRDBI seems to show nothing much associated with Crocosmia, certainly no rust species.

Chris
"You must know it's right, the spore is on the wind tonight"
Steely Dan - "Rose Darling"

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