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Is a bacterial infection specific to horse chestnuts and both the re and white flowered types are affected. If the canker girdles the tree, it dies.
Cracks in the bark on stems and trunks of affected trees, and a sticky, rusty looking liquid oozing from them. Dead sections of bark will fall away exposing the wood and reveal a brown or purple discoloured area of inner bark. Gradually the infection causes crown thinning, die-back and even death of part or all of the tree. Cankers can be seen at any time of year.
Now you know what the problem is, and the damage it is doing, don't let your plant suffer.
For specific problems try one of our specialists...
Kenrokuen Garden
Kanazawa, Ishikawa, Japan
Pukekura Park
New Plymouth, New Zealand
Royal Botanic Gardens Victoria
Melbourne, Australia
Rio de Janeiro Botanical Gardens
Rio de Janeiro, Brazil
Medellin Botanical Garden
Medellin, Columbia
Powerscourt Gardens
Enniskerry, Co. Wicklow, Ireland
