Help with apple malady ID

Lot2Learn

5 year old buck +
In this otherwise seemingly healthy two-year old Winecrisp apple pictured here:
IMG_3805_zpsb0ebd077.jpg


Something is wrong with the trunk. Any thoughts on what the problem might be?

IMG_3804_zpsf6c35f72.jpg
 

Lot2Learn

5 year old buck +
no, other than the area pictured in the close-up the three looks pretty good.
 

Lot2Learn

5 year old buck +
I don't think so, and none of the other trees I have are showing similar afflictions, but maybe....
 

Maya

5 year old buck +
I've got a similar problem on a few Macouns and Zestar!s. I've had a couple of the plant pathologists at UVM take a look. They couldn't nail it down, except to say it is likely a canker from some bacteria. They didn't seem to be to alarmed. Strangely they are all on the north sides of the trees. I haven't touched them in 3-4 years and they seem to be ok. It was something that came from the nursery imo. I noticed it the summer after planting. They haven't gotten any worse.

I did have to spray some streptomycin on the trees due to a hail storm. Not sure if that changed the cankers any. I'll try and take a look later and let you know. Just try and keep them as healthy as possible. Watch soil ph, fert, keep them fungus and pest free as possible. Yours seem to be healing underneath that outside burned bark.
 
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