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#29028 Apr 22nd, 2007 at 11:45 PM
Joined: Apr 2007
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I was out picking up sticks and wondering what grass I should plant (which is another subject) but I saw this on my tree.

http://img221.imageshack.us/my.php?image=weirdtreeproblem2wu6.jpg

I hear it's not curable. Can anyone help, like a disease name or something?

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Looks like a "gall" to me... galls are produced by plants as a response to an insect that lays its eggs in the plant tissue. They are harmless to the tree. There are litterally hundreds of gall types in all shape, sizes and colors, they form on all parts of plants roots, shoots, and leaves. Hope this is of some assistance.

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THE DOCTOR
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What kind of a tree was that on?
It does look like a gall, but there is another disease which infects stone fruit trees, called black knot.
The galls are similar when green, but turn black when mature.

http://i55.photobucket.com/albums/g122/ThePlantDoc/blackknot2.jpg?t=1177763937

http://i55.photobucket.com/albums/g122/ThePlantDoc/blackknotdamage.jpg?t=1177764152

Sorry about the clarity of the pictures, they were taken with my cell phone.

If it is black knot, it is not curable, but you may prolong the life of the tree by pruning out the damaged areas, and making sure that the plant gets enough water, and fertilized yearly.

Last edited by The Plant Doc; Apr 28th, 2007 at 04:43 AM.

Mike Maier
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The Plant Doc

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