By The Old House Web


Pears are susceptible to fire blight. Tips of infected branches appear scorched and burnt. The leaves droop, turn brown, but remain hanging on the tree. The bacteria wash down the branch and form cankers on the trunk. A crack forms between healthy and diseased bark. Bark inside the canker is often shredded and peeling. When the canker girdles the stem the tree dies. The callery pears are resistant, but not immune. There is no satisfactory chemical control. Prune out infected branch tips well below the infected area.

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