Re:

Barbara,

We've had a species maple with verticillium wilt for almost twenty years. We have cut off dead branches as they occur, fully expecting to lose the whole tree at any time, but we haven't had any dieback the last two years. It's a mystery, but we still have a nice big Japanese maple.

Judy Person
On Jul 31, 2005, at 7:56 AM, barbara sargent wrote:

Cheryl said:
Actually, Japanese maples are listed as being resistant to Armillaria (oak
root fungus). I think it's more likely verticillium wilt, which affects
Japanese maples in exactly the way you describe. If you cut off the dying
branch, do you see dark streaks under the bark? That's an indication of
verticillium.
Cheryl,

If it is verticillium wilt is there anything that can be done to save the
rest of the tree? I haven't checked for the streaks yet.

Barbara













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