Antifungal Activity of a Phytoterpenoid (AOS-A) Isolated from Artabotrytis odoratissimus on Spore Germination of Some Fungi

摘要

Phytoterpenoid isolated from Artabotrytis odoratissimm inhibited spore germination of some plant pathogenic as well as saprophytic fungi e.g. Alternaria alternata, A. solani, Cercospora sp., Curvularia maculans, C. pennisetti, Fusarium udum, Helminthosporium echinochlova, H. frumentacie, H. penniseti and Ustilago cynodontis. In Curvularia maculans and H. frumentacie, spore germination was completely inhibited at 2000 ppm. However, Curvularia maculans and C. pennisetti showed considerable sensitivityto this chemical even at 500 ppm.