Antifungal activity of purple amomum (Amomum longiligulare T.L. Wu) plant extracts against Fusarium oxysporum Schlecht. and Helminthosporium sativum P. K. & B.

Purple amomum (Amomum longiligulare T.L. Wu), which belongs to the monophyletic Zingiberaceae family, is a valuable medicinal plant in Vietnam. The studies on the biological activities of the extracts or essential oils of this species are very limited. So far, there has been no evaluation of the antifungal activity of purple amomum extracts.