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Arboriculture & Urban Forestry Online
Volume 7, Issue 3 — March 1981
https://www.isa-arbor.com/Publications/Arboriculture-Urban-Forestry

Defoliation and Secondary-Action Organism Attack: With Emphasis on Armillaria Mellea    (View PDF)

Philip M. Wargo

Abstract: Defoliation-induced changes in trees predispose them to attack by secondary-action organisms which can kill the tree. Both physical and chemical changes occur in defoliated trees that enhance the growth and metabolism of secondary-action organisms. Specific interactions of Armillaria mellea and chemical changes in roots of defoliated trees are described. Control strategies are discussed.

Keywords:

https://doi.org/10.48044/jauf.1981.014


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