Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on September 13, 2011
It is likely either a pest problem or a fungus. I am leaning towards a fungus. I would recommend treating the tree with neem oil. Neem oil will treat both fungus and pests. Here is more information on it: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
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