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What's Wrong With My Rose?


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Posted
  • Location: Nr Appleby in Westmorland
  • Location: Nr Appleby in Westmorland

    It did this last year too...bright, almost flourescent orange spots on the stems and underside of many of the leaves. Doesn't look like rust to me, but I don't know quite what it is.

    Sorry about the crappy photos...best I could do at 9.30pm.

    post-717-1244495243_thumb.jpg

    post-717-1244495256_thumb.jpg

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    Posted
  • Location: Ashford, Kent
  • Weather Preferences: Anything
  • Location: Ashford, Kent
    It did this last year too...bright, almost flourescent orange spots on the stems and underside of many of the leaves. Doesn't look like rust to me, but I don't know quite what it is.

    Sorry about the crappy photos...best I could do at 9.30pm.

    post-717-1244495243_thumb.jpg

    post-717-1244495256_thumb.jpg

    looks like a type of scale insect

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    Posted
  • Location: Ashford, Kent
  • Weather Preferences: Anything
  • Location: Ashford, Kent
    Do you advise DDT?

    I did wonder about that, but the spots are furry and very irregular size and shape....so I'm not sure.

    If you can dettch them with a thin blade then it's probably scale. If the spots are more firmly rooted then I would think its fungal. Not sure really??

    Try a weak washing up liquid solution, scale insects hate it.

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    Posted
  • Location: Bedworth, North Warwickshire 404ft above sea level
  • Location: Bedworth, North Warwickshire 404ft above sea level

    I think it's some sort of Rose gall wasp, not sure which one but they tend not to do alot of damage and can make interesting talking points.

    Found a link to a page about galls in gerneral, hope this helps? http://www.hainaultforest.co.uk/5UK%20Galls.htm

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    Posted
  • Location: Nr Appleby in Westmorland
  • Location: Nr Appleby in Westmorland

    Here are some better photos taken this morning.

    post-717-1244626388_thumb.jpg

    So the little flecks look a bit like rust, but they're powdery and dusty...like the big specks, which look nothing like rust to me.

    post-717-1244626407_thumb.jpg

    post-717-1244626417_thumb.jpg

    Here's a bit on the stalk...

    post-717-1244626424_thumb.jpg

    ...and here it is sliced in to - no sign of any animal - straight into the stem.

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    Posted
  • Location: Nr Appleby in Westmorland
  • Location: Nr Appleby in Westmorland

    I think I've solved the problem, and ten house points to those that were saying rust.

    It does appear to be a type of rust - http://images.google.co.uk/imgres?imgurl=h...sa%3DN%26um%3D1.

    I shall get my Rose Hammerite out.

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    • 3 weeks later...
    Posted
  • Location: Brixton, South London
  • Location: Brixton, South London
    Try a weak washing up liquid solution, scale insects hate it.

    Iwas intrigued to see in a gardening magazine recently a warning to the effect that under EU regulations relating to garden pesticides, the use of dilute washing up liquid as a garden pesticide is unlawful as it has not been specifically approved for that purpose!

    God preserve us.

    regards

    ACB

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    Posted
  • Location: North Kenton (Tyne-and-Wear)6miles east from newcastle airport
  • Location: North Kenton (Tyne-and-Wear)6miles east from newcastle airport

    Morning OON

    check out the link below , looks like some kind of disease called Rose Rust

    http://www.rhs.org.uk/advicesearch/Profile.aspx?pid=269

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    Posted
  • Location: consett co durham
  • Location: consett co durham

    i agree defo rust.if the outbreak is on a small scale try smothering the putsules with a dab of vaseline.

    good hygeine is the key to prevention.make sure you clear all plant debris after leaf fall.

    it's not really one of the worst diseases to affect roses.

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    • 6 months later...
    Posted
  • Location: Ashford, Kent
  • Weather Preferences: Anything
  • Location: Ashford, Kent

    Iwas intrigued to see in a gardening magazine recently a warning to the effect that under EU regulations relating to garden pesticides, the use of dilute washing up liquid as a garden pesticide is unlawful as it has not been specifically approved for that purpose!

    God preserve us.

    regards

    ACB

    This is correct to a degree, but it would be at the growers risk rather than unlawful. It would be unlawful for a washing up liquid manufacturer to claim a pesticidal action.

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