What is the 'branch bark ridge' and why is it important for pruning cuts in Albuquerque trees?
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A
A discolored area indicating disease; cuts should be made through it
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B
A raised, rough area of bark at the branch union; cuts should be made just outside it to preserve the branch collar
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C
A zone of callus tissue; cuts should be made into it to stimulate healing
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D
A structural defect in the wood; branches with it should be removed immediately