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Deformed Pears - Stony Pit?

Posted by OnePearTree SE Mich (My Page) on
Mon, Sep 15, 14 at 17:05

I bought a house about a year and a half ago that has a pear tree in the back yard. Last year probably 90% of the fruit was deformed and this year the fruit fell much earlier and is even worse than last year. Very few have a traditional 'pear shape'. Most look like the picture posted.

I know little to nothing about fruit trees, so any help is appreciated. If I need to remove this tree I'd like to do it now instead of in the spring.

Thanks in advance!


Follow-Up Postings:

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RE: Deformed Pears - Stony Pit?

Looks like Plum Curculio damage. On pear trees the damage is a hard dimple area where the half moon bite occurs. I bag my pears soon after blooming to reduce this damage. Chemical sprays are also available.


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RE: Deformed Pears - Stony Pit?

Thank you.

The tree is probably 20-25 feet tall and produces hundreds of pears, I don't think bagging really is an option for me. I have noticed some holes in the bark on the trunk as well, but I don't see that the plum curculio does this.

Looks like I may have a lot of work to do!

This post was edited by OnePearTree on Mon, Sep 15, 14 at 17:45


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RE: Deformed Pears - Stony Pit?

Or stink bug or other plant bug. Curc doesn't like pears so much. Not stoney pit though.


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RE: Deformed Pears - Stony Pit?

It looks more like stinkbug damage to me. I have a lot of pears looking like that now.

Scott


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RE: Deformed Pears - Stony Pit?

I guess you can rule out Stony Pit virus if the tree produced normal fruit in the past and hasn't been grafted since then. Else, how do you know it isn't Stony Pit until you cut it open an check the flesh? If it is Stony Pit it should have gritty brown spots, shouldn't it?


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RE: Deformed Pears - Stony Pit?

Stink bug injury can create the same thing.


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RE: Deformed Pears - Stony Pit?

Lack of complete pollination will also caused misshapen fruit, very noticeable on apples.


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