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What is this jelly-like substance on my fruit trees

Posted by iamzvonko 5 (My Page) on
Fri, Oct 18, 13 at 23:20

I have this jelly-like substance on and at bottom of my fruit trees. Anyone have any idea what it is?

This first picture is from my cherry tree


Follow-Up Postings:

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RE: What is this jelly-like substance on my fruit trees

This one is from my nectarine tree


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RE: What is this jelly-like substance on my fruit trees

This stuff was at the bottom of a peach tree up against the trunk right under the top layer of dirt


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RE: What is this jelly-like substance on my fruit trees

Probably bacterial canker.


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RE: What is this jelly-like substance on my fruit trees

It could be Gummosis caused by Peach Tree Borer. Brady


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RE: What is this jelly-like substance on my fruit trees

Gumosis is a fungal disease. What you have looks more like a bad case of borers. Scrape off the goo and you should find entrance holes and borers inside the tree. You can dig them out with a thin screw driver or wire coat hanger. If you don't dig them out, they will eventually kill the tree. Once you dig them out, be sure
to cover the damaged areas with a good tree sealer.


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RE: What is this jelly-like substance on my fruit trees

What is a good tree sealer?


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RE: What is this jelly-like substance on my fruit trees

It's an asphalt like substance that is used to repair tree wounds. You can buy it at Walmart.


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RE: What is this jelly-like substance on my fruit trees

I have the same thing on both of my cherry trees (a Meteor and Northstar planted about 3 years ago) though one is worse than the other. The gum deposits are especially bad in the crotch of the trees where the scaffold branches come together. This is also the location where I pruned off a central leader (in Feb. or March) to give a more open vase shape. Maybe this helped spread the disease unfortunately. I did scrape it off best I could but didn't see any evidence of borers. The most likely cause seems to be bacterial canker. The other issue I've had with these trees is Cherry leaf spot disease. I'm starting to re-think cherries as a relatively low maintenance fruit tree for the the mid-atlantic area.


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