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Comice tree - red spots


I've bought two comice (Doyenne Du Comice) two years ago. They are located on a south facing wall. I noticed that they have both developed red spots on the upper side of their leaves. On the under-side these spots are much more menacing looking.

Does anyone know what this is and what I can do about it?


  • DovefromaboveDovefromabove Central Norfolk UKPosts: 72,056
    edited September 2020
    That's pear rust.  Pick off the affected leaves and burn or bag and bin.  It's a strange fungus that spends the first part of its life on junipers and then on pear trees. 

    We get it on our pear but a neighbour felled their juniper last winter and we've had less pear rust this year. :)

    As long as you pick off the affected leaves and clear up any detritus on the ground to stop the spores accumulating, it seems not to affect the crop.  
    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh

  • Thanks Dovefromabove.

    Will do that.
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