What is the disease affecting my apple trees

My apple trees are over 20 years old and have produced well over the years. Last year they became infected with a disease that is killing them. The disease shows up as small bumps and circles on the bark in a series of spirals that circle the tree trunk. This year the trees did not leaf out much or produce any fruit. I believe they are dying and I want to replace them but need to know how to protect new trees from the same fate.

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1 Comment To "What is the disease affecting my apple trees"

#1 Comment By Downtoearthdigs On 10/15/2015 @ 11:57 pm

This sounds very much like you are describing Galls.

This is a disease that is generally fatal to the trees.

I’ve listed some links with more information.

https://www.gardeningknowhow.com/plant-problems/disease/how-to-fix-crown-gall.htm ^[1]

https://www.gardeningknowhow.com/edible/fruits/apples/apple-collar-rot.htm ^[2]

https://www.gardeningknowhow.com/ornamental/trees/tgen/cankers-on-trees.htm ^[3]

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URL to article: https://questions.gardeningknowhow.com/what-is-the-disease-affecting-my-apple-trees/

URLs in this post:

[1] https://www.gardeningknowhow.com/plant-problems/disease/how-to-fix-crown-gall.htm: https://www.gardeningknowhow.com/plant-problems/disease/how-to-fix-crown-gall.htm

[2] https://www.gardeningknowhow.com/edible/fruits/apples/apple-collar-rot.htm: https://www.gardeningknowhow.com/edible/fruits/apples/apple-collar-rot.htm

[3] https://www.gardeningknowhow.com/ornamental/trees/tgen/cankers-on-trees.htm: https://www.gardeningknowhow.com/ornamental/trees/tgen/cankers-on-trees.htm

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