japanese maple fungus

  1. ajm55555

    How do you prevent fungal infection when root pruning Deshojo&Co?

    I still haven't found a definitive answer to how to prevent fungus from entering a delicate JM cultivar, like the Deshojo, when root pruning. This is an air layer from South Korea/Japan. I had to do a major cut at the base to have a flatter root plain and this is the result. It pushed growth...
    • ajm55555
    • Thread
    • deshojo fungus fungus damage japanese maple fungus root pruning
    • Replies: 11
    • Forum: Maples
  2. Rivian

    Differences in disease resistence of JM cultivars

    I'm interested in your experience with cultivars of everything commonly described as a Japanese maple, regarding their disease resistence. I could not find anything on this topic beyond throwaway comments Especially curious what people say who had multiple cultivars, over several years, and...
    • Rivian
    • Thread
    • anthracnose cultivar disease fungus japanese maple japanese maple cultivar experience japanese maple fungus pseudomonas
    • Replies: 2
    • Forum: Maples
  3. H

    Help! Dark area on tree - spreading..

    Hey Folks, I have a Japanese maple here which was repotted from nursery stock about a month ago. I only made one cut, and that was on the top to shorten the tree. Everything was looking great from the repotting up until this last week. At first, just shortly after repotting I noticed 2 very...
    • Hoffman
    • Thread
    • black area fungus damage japanese maple japanese maple black spot japanese maple fungus
    • Replies: 6
    • Forum: Maples
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