IPM Information

Pathology Information:

Species Name: Armillaria mellea (Vahl) P. Kumm.


Rotting roots. White mat of interconnected string like structures on the base of the tree below the back. Drying up of entire tree once affected

The fungi overwinters as mycelium or rhizomorphs on decaying roots. Rhizomorphs grow to infect healthy roots by root contact

Control methods:
Removing the affected tree and burning. Avoidance of affected area for several years, soil fumigation and digging a trench around the infected tree and its healthy nearby trees

Growth stage: Mature tree

Disease name: Armillaria root rot

Synonym: Armillaria mellea

Host name: Pinus radiata

Host common name: Radiate pine

Affected part: