Diversity of endophytic fungi isolated from different plant parts of , and antagonistic activity against , a causal agent of Ceratocystis wilt disease of in Malaysia.

is an important wood for commercial products especially pulp and medium-density fibreboard. However, it is susceptible to infection, leading to Ceratocystis wilt. Therefore, the present work aimed to (i) establish the diversity of endophytic fungi in different plant parts of ,and (ii) evaluate the antifungal potentials of the isolated and identified endophytic fungi against . Endophytic fungal identification was conducted by PCR amplification and sequencing of the internal transcribed spacer 1 (ITS1) and ITS4 regions of nuclear ribosomal DNA. A total of 66 endophytic fungi were successfully isolated from different parts of ; leaf (21), stem (13), petiole (12), root (9), flower (6), and fruit (5). The endophytic fungal isolates belonged to Ascomycota (95.5%) and Zygomycota (4.5%). For Ascomycota 13 genera were identified: (28.6%), (28.6%), (12.7%), (9.5%), (6.3%), (3%), and , , , , , , and each with a single isolate. For Zygomycota, only sp. (5%) was isolated. Against , (AC 1S) from stem, (AC 7L) from leaf, (AC 3F) from the flower, sp. (AC 2 U) from fruit, (AC 4P) from petiole, and sp. (AC 9R) from root exhibited strong inhibition for between 58.33 to 69.23%. Thus, it can be concluded that certain endophytic fungi of have the potential to be harnessed as anti-Ceratocystis agent in future biotechnological applications.