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Blackberry briars diseased

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  • 15-08-2010 11:52pm
    #1
    artieanna
    Users Awaiting Email Confirmation Posts: 1,139 ✭✭✭


    This year I have noticed that the blackberry briars are all badly coated in like a mould or disease of some sort. I am wondering what it is?

    I am thinking its caused by all the rain this summer although I have never noticed it this time of year before. I think its a bit unusual as the berries are just ripening and the leaves should be fairly healthy and green.

    This is a couple of leaves I picked
    124252.JPG


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    #2
    Velvet shank
    Registered Users Posts: 133 ✭✭Velvet shank


    looks like Phragmidium violaceum - a fungal pathogen of blackberry. It's very common, although not always as obvious as it is on the leaves in your photo


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    #3
    artieanna
    Users Awaiting Email Confirmation Posts: 1,139 ✭✭✭artieanna


    It really caught my eye this year as it is very severe. There are two moulds /fungus present on the leaves, one is orange and one is black see pic.

    My question is- are they both Phragmidium violaceum?


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