Ganoderma butt rot is a relatively new and lethal disease of Florida palm trees. It is caused by a fungus, Ganoderma zonatum, which invades the base or butt of palm trees up to a height of three to fo READ MORE http://www.palm-tree.net/palm-tree-ganoderma-butt-rot.htm
Monica L. Elliott and Timothy K. Broschat2
Summary
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Ganoderma butt rot is caused by the fungus Ganoderma zonatum. This fungus degrades or rots the lower 4-5 feet of the trunk.
* READ MORE http://edis.ifas.ufl.edu/PP100