Apple Tree Leaves

I live in NJ. I have an apple tree. Tree leaves have yellow spots that turn into brown spots and underneath brown spots there are thorns. What’s that and how to treat?

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1 Comment To "Apple Tree Leaves"

#1 Comment By AnnsGreeneHaus On 08/10/2013 @ 7:12 pm

For positive identification, take a sample of the leaves to your local agricultural extension office. It might be ”shot-hole” disease, discussed in this article: https://www.gardeningknowhow.com/plant-problems/disease/shot-hole-disease-fungus.htm ^[1]

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[1] https://www.gardeningknowhow.com/plant-problems/disease/shot-hole-disease-fungus.htm: https://www.gardeningknowhow.com/plant-problems/disease/shot-hole-disease-fungus.htm

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