Answer: Peach trees are in the same category as cherries, plums and apricots - members of the Prunus family - and they all ooze sap. That's just their nature. Sometimes a disease called gummosis will attack the trees and cause excessive flows of sap. Controlling the disease is difficult, but not impossible. <br><br>Try to prevent trunk injuries; protect the trunk by whitewashing with dilute latex-based white paint, control fungal diseases and insects, and don't overfertilize (especially with nitrogen).
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