Magnolia Trees
Q.

Weeping Hole in Magnolia Tree Trunk

Zone Washington, DC | ctamolsch added on March 5, 2017 | Answered

We have a magnolia tree that has started to weep from the intersection of two trunks. It's a dark coffee colored substance. No bugs appear to be present but it looks unhealthy and concerned this will lead to a weak trunk or the beginning of the end of our beautiful magnolia. What do we do to address this?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on March 6, 2017

Cankers on trees should be pruned out to prevent the spread.
I'm not sure of the location of this canker on your tree.
There are several types of cankers and identification may be best done by a certified Arborist.
Here are some links with more information.
http://ipm.ucanr.edu/PMG/GARDEN/PLANTS/DISEASES/cankerdiseases.html

http://hort.ufl.edu/trees/MAGGRAA.pdf

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