Yellow Spots on Apple Tree Leaves

I have a 5-year-old semi dwarf Mcintosh apple tree and it has tons of yellow spots all over the leaves. On the underside of the leaves under the spots, it’s kind of furry/fiberous (not sure how to explain it). It turns some of the leaves completely yellow.

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1 Comment To "Yellow Spots on Apple Tree Leaves"

#1 Comment By Heather On 07/20/2011 @ 4:09 pm

It sounds like you may have wooly aphids. This article will help you with that:
http://www.nysipm.cornell.edu/factsheets/treefruit/pests/waa/waa.asp ^[1]

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[1] http://www.nysipm.cornell.edu/factsheets/treefruit/pests/waa/waa.asp: http://www.nysipm.cornell.edu/factsheets/treefruit/pests/waa/waa.asp

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