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Nematicidal coumarin from Ficus carica L.
Fangfang Liu,Zhongshan Yang,Xi Zheng,Shaoliu Luo,Ke Qin Zhang,Guo Hong Li 한국응용곤충학회 2011 Journal of Asia-Pacific Entomology Vol.14 No.1
The methanol extracts from 40 plant species were screened for their nematicidal activity against the nematodes Bursaphelenchus xylophilus, Panagrellus redivivus and Caenorhabditis elegans. The leaf extract of Ficus carica L. exhibited the strongest nematicidal activity, causing 74.3%, 96.2% and 98.4% mortality,respectively, within 72 h. By bioassay-guided fractionation, a coumarin was obtained. The compound was determined to be psoralen based on spectroscopic data. It showed nematicidal activity against the tested nematodes. This is the first report of the nematicidal activity of F. carica and psoralen.