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How should declining trees be pruned?

April 26, 2017declining pruned trees

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How should declining trees be pruned?

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Focus on cleaning. Avoid removing live wood and foliage as this could speed the decline. Removing live wood lowers the auxin content which is the hormone that promotes root growth. Removing foliage reduces photosynthesis and levels of stored carbohydrates that the tree is living on. Old declining cottonwoods and poplars may warrant cleaning every 1-5 years.