Fusapyrone and deoxyfusapyrone (3-substituted-4-
hydroxy-6-alkyl-2-pyrones) isolated from Fusarium
semitectum exhibited considerable broad-spectrum
antifungal activity against B. cinerea, Aspergillus parasiticus
Speare and Penicilliun brevi-compactum Dierckx
at a range of 0.78–6.25 lg ⁄ ml