Fungus on Japanese Maple
5 posters
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Re: Fungus on Japanese Maple
When I saw the damage I though slugs or snails, but we can't grow Japanese Maples in our climate.
Billy M. Rhodes- Member
Re: Fungus on Japanese Maple
Thanks Garry for the link, ye Pseudonomas is probably the case here although I didn't notice any symptoms on the foliage
I am trying to save this plant after getting it from one of the nurseries free of charge early last year. After proper inspection I realised why was it free-fungal/bacterial infection on the trunk and branches. Repotted to free draining, gritty soil it was doing just fine, foliage was healthy all season, no scorching, die back or yellowing. I only did two treatments with copper-based fungicides, last year after leaf drop and this year before buds were swelling. I sprayed it also with lime sulphur in the winter. Well it seems like the disease is progressing anyway. Is it safe to use copper when the tree is actively growing?
I'm slowly getting to the point that it is probably not worth the hassle, plus the other trees in my garden might get infected by this cr...
Anyone from the northern Europe experienced in treating cankers caused by pseudomonas syringae on japanese maples?
Regards
Marcin
I am trying to save this plant after getting it from one of the nurseries free of charge early last year. After proper inspection I realised why was it free-fungal/bacterial infection on the trunk and branches. Repotted to free draining, gritty soil it was doing just fine, foliage was healthy all season, no scorching, die back or yellowing. I only did two treatments with copper-based fungicides, last year after leaf drop and this year before buds were swelling. I sprayed it also with lime sulphur in the winter. Well it seems like the disease is progressing anyway. Is it safe to use copper when the tree is actively growing?
I'm slowly getting to the point that it is probably not worth the hassle, plus the other trees in my garden might get infected by this cr...
Anyone from the northern Europe experienced in treating cankers caused by pseudomonas syringae on japanese maples?
Regards
Marcin
gope- Member
Re: Fungus on Japanese Maple
I also found this article. I had this problem last year but lost a good 6 one year old trees before I realized what the problem was.
http://ofbonsai.org/species-specific/deciduous/pseudomonas-syringae-read-this-if-you-grow-japanese-maplehttp://ofbonsai.org/species-specific/deciduous/pseudomonas-syringae-read-this-if-you-grow-japanese-maple
http://ofbonsai.org/species-specific/deciduous/pseudomonas-syringae-read-this-if-you-grow-japanese-maplehttp://ofbonsai.org/species-specific/deciduous/pseudomonas-syringae-read-this-if-you-grow-japanese-maple
wmb13- Member
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