The natural characteristics of anthracnose in the curcuma
flower are shown in Fig. 1. Infected areas become hard, turning
brown in color when infected by Colletotrichum sp. and
acervuli form in the infected area. These acervuli were rounded
to elongate and disrupted the outer epidermal cell walls of the
host. Conidia were cylindrical to oblong, while spines were
sticklike. The fungus was stored for further use in the
antagonistic activity testing.