Multi Grafted Apple Tree – disease?

We have a small 3 year old apple tree we purchased from a nursery. Last year it produced maybe 3 apples total, which more than we were expecting. This year we have many more on various branch types. However, some of the leaves are turning colors and/or getting spots and dying. Can you please help me figure out what is wrong and what I can do to help it? I’ve only been gardening a couple of years and I don’t know a lot about these things. I would love to have this tree for years to come. Please help.

The types of grafted branches are: Melrose, Yellow Delicious, Honeycrisp, and Gravenstein. All are semi-dwarf and we live in Oregon if that makes a difference.

Thank you for your time. -Kara

1 Comment (Open | Close)

1 Comment To "Multi Grafted Apple Tree – disease?"

#1 Comment By Downtoearthdigs On 06/18/2016 @ 6:19 pm

This could be necrotic leaf blotch.
The link below discusses this issue.

https://extension.psu.edu/plants/tree-fruit/news/2014/necrotic-leaf-blotch-appearing-on-apples-and-the-home-stretch-for-controlling-diseases-stone-fruit ^[1]
These links discuss the common issues and disease found with Apple Trees.
Further inspection of the leaves and plants will help you.

https://www.gardeningknowhow.com/edible/fruits/apples/apple-tree-diseases.htm ^[2]
https://extension.psu.edu/plants/tree-fruit/diseases/apple-diseases ^[3]

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URL to article: https://questions.gardeningknowhow.com/multi-grafted-apple-tree-disease/

URLs in this post:

[1] https://extension.psu.edu/plants/tree-fruit/news/2014/necrotic-leaf-blotch-appearing-on-apples-and-the-home-stretch-for-controlling-diseases-stone-fruit: https://extension.psu.edu/plants/tree-fruit/news/2014/necrotic-leaf-blotch-appearing-on-apples-and-the-home-stretch-for-controlling-diseases-stone-fruit

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

[3] https://extension.psu.edu/plants/tree-fruit/diseases/apple-diseases: https://extension.psu.edu/plants/tree-fruit/diseases/apple-diseases

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