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Thanks to the several of you who replied. I can think of 2 possible explanations for what happened. 1. Sunrise apple trees have the ability for their cambium layer to turn brown when it is dormant and green up again in spring. I kind of doubt this and it will be easy to check. I could go out there this week some time and see what the cambium looks like before we get to the coldest part of the winter. (It's only been to about 10 below so far.) For sure I will be checking in late winter after the snow melts enough to make it easier. 2. I had a one in a million coincidence and between collecting scion wood and a little light pruning I just happened to cut off every bit of winter killed wood without leaving even a bit of it on the tree. OK, maybe one in a thousand since collecting the scions, I did target the more vigorous upright growth. That one is a little hard to believe too. I'll be watching this situation. Maybe something will make some sense eventually. Steve Steve wrote: 476C878A.3020501@aol.com" type="cite"> |
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