Reply to post by Mike Tillaart, on November 16, 2002 at 08:02:02:
Bark damage on young maples all too common. Cause is sudden temperature change; look to see if most of the damage is on the sunny side.
Aggravating factors can be girdling roots inhibiting sap flow; most maples in my area have this problem, and too-early removal of lower branches which exposes bark.
Wrapping trunks is growing out of favor because it can create problems. Painting with white latex paint is still being done here
On the web site poplarfarms.com, it says, " we have found that high rates of nitrogen will give amazing results and will eliminate most of the splitting problems associated with maples due to verticillium wilt."
I don't know if that's the type of "splitting" they mean, but that's what came to mind.
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