What are these raisin like things on our tree’s branchs?

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Date Photo Taken: 01/11/2014
Location: Atlanta, GA
Posted By: cimplyceej909

Notes:

We have what I think is an old Oak tree that has been dropping branches with white spots on them and these bloated, raisin like blobs on them. I have been noticing them throughout this past fall and now winter.
What are these? Does this mean the tree is diseased? Help please!

COMMENTS

  1. Bobby Flower Fanatic says:

    Decay fungi occurring on branches that have already died for what ever reason. Aging trees may have damaged root systems that can no longer support top growth of the tree. Decay fungi become active on branches that die. They break down the wood cells aiding in the tree shedding the dead wood. On the ground the actions of the fungi continue to break down the woody cells causing the branch to rot. These organisms do not attack live wood.
    The white patches are called lichen. They cause no harm to living wood.

    January 12th, 2014 at 6:46 pm
  2. Walter Reeves The Georgia Gardener says:

    Jelly Ear!
    http://www.hsu.edu/pictures.aspx?id=2132

    January 13th, 2014 at 8:21 am
  3. cimplyceej909 Registered says:

    Thank you Bobby and Walter! A friend recommended I post here! I will recommend as well.

    January 16th, 2014 at 10:06 am

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