Fungicidal preparations from Inula viscosa

https://doi.org/10.17221/10575-PPSCitation:Cohen Y., Baider A., Ben-Daniel B., Ben-Daniel Y. (2002): Fungicidal preparations from Inula viscosa. Plant Protect. Sci., 38: 629-630.
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Inula viscosa is a perennial plant native to the Mediterranean Basin. Extracts made from the shoots of this plant exhibited a strong fungicidal activity in vitro and in vivo. TLC analyses revealed at least 7 fungicidal compounds. Most are lipophilic. When such extracts were sprayed on the leaf surface of crop plants they effectively controlled downy mildew in grape, cucumber and tobacco; late blight in potato and tomato; gray mold in cucumber and tomato; and, powdery mildew in cucurbits and cereals. Field experiments conducted with grape vine and potato resulted in effective control of Plasmopara viticola and Phytophthora infestans, respectively. The data suggest that Inula viscosa is a useful source of herbal fungicidal preparations for agricultural use.
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