Apple Trees
Q.

apple tree diseases

Zone Andalucia, Spain | phil rooksby added on March 22, 2016 | Answered

I grafted two apple cuttings onto a wild pear several years ago. It was successful and fruited. But this year the grafts snapped, revealing the cause: a brown/red rot in the heart of the wood. What is it?

A.
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Downtoearthdigs
Certified GKH Gardening Expert
Answered on March 23, 2016

It sounds like it is a wood rot of some kind.
Could be a bacterial disease or fungus.

A canker may have occurred at the graft site from an injury or even winter damage.

Here is a link with more information.

https://www.gardeningknowhow.com/edible/fruits/apples/apple-tree-diseases.htm

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