9 Thousand Canker Disease What to Look For 1.Leaves on upper branches will turn yellow, wilt, and die 2.Branches die back gradually from the upper crown downward 3.Browning leaves often remain attached to twigs 4.New sprouts may grow from tree roots or trunk (giving the tree a bushy appearance below dead branches) 5.Look for dead or sickly branches 6.Numerous tiny bark beetle holes and branch cankers developed around them 5 6
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