Armillaria Root Rot

Armillaria luteo-bubalina


Forms spongy to hard galls on roots.

Species Affected:

Stone fruit, Plum, Waxflower


It may survive on wood left in the ground after clearing.

Life Cycle:

Origin and History:



 Reduces root growth and development that gradually starves and eventually may kill the plant.
Management and Control:

Before planting, deep rip area and remove and burn all roots. Leave the area fallow for 2-3 years to allow smaller root fragments to decay and starve the fungus.
Remove infected trees and their root system and rip to search for old wood that may be the source of infection. Dig around adjacent trees to expose main roots and remove infected roots. Leave trunk and upper portion of healthy roots exposed for one summer.
Replant with trees on resistant rootstocks or with other resistant species.
Resistant rootstocks include D6 Pear, Marianna Plum, Mazzard Cherry and Myrobalan Plum.
There is no control for plants that have become infected. Remove and burn them as soon as possible.

Related and Similar Species:



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