Vascular wilt symptom associated with dieback in A. mangium was recorded in 2 out of 22 plots in Ganui site,
12 out of 20 plots in Mendulong, and 12 out of 24 plots in Bongkol. The vascular wilt symptom was not observed at
Mantanau. The Acacia plants at Mantanau were affected by fungal decay associated with pollarding and pruning
wounds and will not be presented. Unlike other was absent in the Mantanau plots.