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Please help with asian pear diseased trees !

Posted by clearestbigbluesky none (My Page) on
Mon, Aug 18, 14 at 17:51

Can you guys help me with figuring out what this disease is and how to treat it ?
I have 3 trees... a YaLi, Seuri and a Korean Giant. The YaLi and Seuri have the disease. The KG is healthy and is producing lots of fruit. This is our third summer season. The sick ones have very little fruit.

The YaLi has the spots and the leaves at the end of the branches look sickly, browning or maybe eaten. It's planted over an ground up stump and I wonder if that was hurting it.

The Seuri seems like it has the spots only.


Follow-Up Postings:

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RE: Please help with asian pear diseased trees !

This is the Seuri


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RE: Please help with asian pear diseased trees !

Those photos do not show any trouble that is severe at all. Unless the photos are not an accurate representation of the trees, it looks like you have trees in fairly good health.
Spray with a good insecticide and immunox.


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RE: Please help with asian pear diseased trees !

The bottom photo looks like Pear Tree Leaf Rust or Trellis Rust,which is also shared by Junipers.
Some people take the infected leaves off.Someone I read about used a couple sprays of Systhane Fungus Fighter,which they said helped clear it up.Monterey Fungi-Fighter looks to be similar. Brady


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RE: Please help with asian pear diseased trees !

This is great news. Thank you both so much for responding!

The spots are definitely identical on both trees. I'll check out home depot for one of the fungicides. I think I'll wait until after the fruit gets picked to apply it... and probably again at the start of spring. Will let you know how it goes then.

That Ya-Li is weird though... when it gets fruit, it stops growing leaves and wood. I wonder about the stump it's planted over. Is there something I should put into the soil around it ?

Thanks again


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