2007•Acta Agriculturae Boreali-SinicaRequires access

Primary Studies on Fungistasis of Inula helenium Extracts Against Phytopathogenic Fungi

Hongxia Li

Abstract

The antifungal activities of methanol extract and ethanol extract from Inula,helenium and different extract component from ethanol extract against Sphaerotheca fuliginea,Pseudoperonospora cubensis,Colletotrichum orbiculare,Botrytis cinerea,Fulvia fulva were tested.The results indicated that extracts with different solvents exhibited different inhibitory activity against the five pathogens and the ethanol extract of I.helenium showed stronger antifungal activities than the methanol extract.Ethanol extract of I.helenium at 0.005 g/mL provided 99.95% inhibition against S.fuliginea and 96.30% inhibition against P.cubensis.Furthermore,inhibition effect of petroleum ether phase was stronger than the other different extract component from ethanol extracts.

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Key concepts: Inula, Sphaerotheca, Chemistry, Botrytis cinerea, Antifungal, Ethanol, Terpene, Petroleum ether