Phytotoxic and Fungitoxic Activities of the Essential Oil of Kenaf (<i>Hibiscus cannabinus </i>L.) Leaves and Its Composition
Mozaina KobaisyNatural Products Utilization Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Box 8048, Oxford, Mississippi 38677, and South Central Agricultural Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Box 159, Lane, Oklahoma 74555Mario R. TellezNatural Products Utilization Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Box 8048, Oxford, Mississippi 38677, and South Central Agricultural Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Box 159, Lane, Oklahoma 74555Charles L. WebberNatural Products Utilization Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Box 8048, Oxford, Mississippi 38677, and South Central Agricultural Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Box 159, Lane, Oklahoma 74555Franck E. DayanNatural Products Utilization Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Box 8048, Oxford, Mississippi 38677, and South Central Agricultural Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Box 159, Lane, Oklahoma 74555Kevin K. SchraderNatural Products Utilization Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Box 8048, Oxford, Mississippi 38677, and South Central Agricultural Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Box 159, Lane, Oklahoma 74555David E. WedgeNatural Products Utilization Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Box 8048, Oxford, Mississippi 38677, and South Central Agricultural Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Box 159, Lane, Oklahoma 74555
2001en
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Annotatsiya
The chemical composition of the essential oil of kenaf (Hibiscus cannabinus) was examined by GC-MS. Fifty-eight components were characterized from H. cannabinus with (E)-phytol (28.16%), (Z)-phytol (8.02%), n-nonanal (5.70%), benzene acetaldehyde (4.39%), (E)-2-hexenal (3.10%), and 5-methylfurfural (3.00%) as the major constituents. The oil was phytotoxic to lettuce and bentgrass and had antifungal activity against Colletotrichum fragariae, Colletotrichum gloeosporioides, and Colletotrichum accutatum but exhibited little or no algicidal activity.
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