The limbs of my East Palatka holly tree are declining on one side of the tree. What could be the cause and how to control it?
Both scale insects and fungus are attacking East Palatka hollies. The scale appears as slight to dark bumps that can be easily rubbed off with your finger. The fungus forms swollen areas near the end of the branches, which causes the limbs to decline. The scale insect is the easiest to control. First prune out all the dead and dying tree portions. Then apply an oil spray to the insects. It takes some time for the scale to dislodge and drop from the tree. There is no good control for the fungus except to prune it from the tree. When pruning, make sure you sterilize the pruners between cuts so you won’t spread the disease.
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