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Got Nature? > Posts > Question: How do I treat my walnut trees after dead tree was found with bug infestation
December 14
Question: How do I treat my walnut trees after dead tree was found with bug infestation

Many insects are not actually the cause of tree mortality but simply “opportunists” and infest decaying wood. Spraying the remaining trees depends on the insects and their propensity for infesting live trees.

Cut wood, especially if infested, should never be moved out of the county to minimize the spread of harmful pests. See more at www.dontmovefirewood.org.

Resources:

Certified Arborist (International Society of Arboriculture)

Purdue Pest and Plant Diagnostic Center - Walnut tree beetle, http://www.ppdl.purdue.edu/PPDL/current_interest.html#WTCD

Indiana Walnut Council

 

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For publications:
The Education Store

Purdue Nature of Teaching
HelptheHellbender.org
Indiana Department of Natural Resources
Master Gardener, Purdue University
Tree Doctor App, Purdue University
Purdue Plant & Pest Diagnostic Laboratory
Purdue Six Legs News Column
Purdue Yard and Garden