(A) Disease incidence, (B) disease severity index, (C) area under disease progress curve (AUDPC), (D) percentage of necrotic primary roots, and (E) percentage of disease reduction in oil palm seedlings after 9 months after inoculated with Ganoderma boninense.

Note: T1: Untreated (Negative control), T2: Untreated (Positive control), T3: T. virens, T4: T. asperellum and T5: T. virens and T. asperellum. Means (± Standard error) followed by different letters within the column were significantly different at p ≤ 0.05 by Tukey’s test.