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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Herbicide

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List of activity chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Dosage Reference
TRANS-4-HYDROXY-L-PROLINE Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
VISCIDULIN-C IC30=100 uM Keeler, R.F. and Tu, A.T. eds. 1991. Toxicology of Plant and Fungal Compounds. (Handbook of Natural Toxins Vol. 6) Marcel Dekker, Inc. NY. 665 pp.
XANTHOTOXIN Lydon, J. & Duke, S., The potential of pesticides from plants, pp. 1-41 in Craker, L. & Simon, J., eds, Herbs, Spices & Medicinal Plants: Recent Advances in Botany, Horticulture, & Pharmacology, v. 4, Oryx Press, Phoenix, 1989, 267pp.
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Ocimum tenuiflorum Anise-Scented Basil 9 8, 015
Oenanthe aquatica Water Fennel; Water Hemlock 1 0
Oenanthe javanica Javan Water Dropwort 2 0
Oenothera biennis Evening-Primrose 1 0
Olea europaea Olive 2 0
Ononis spinosa Spiny Restharrow; Restharrow; Hauhechel (Ger.) 2 0
Opopanax chironium Hercules All Heal; Opopanax 1 0
Origanum creticum Dittany Of Crete 2 0
Origanum majorana Marjoram; Sweet Marjoram 10 3, 241, 600
Origanum minutiflorum Small-Flowered Oregano 7 3, 374
Origanum onites Oregano; Pot Marjoram 10 16, 624
Origanum sipyleum Bayircayi; Guveyoto 8 44, 602
Origanum syriacum Za'Atar 9 12, 610.20000000298
Origanum vulgare Greek Oregano; Wild Oregano; Common Turkish Oregano 13 3, 911, 154.5
Oryza sativa Rice 1 0
Panax ginseng Chinese Ginseng; Oriental Ginseng; Ginseng; Korean Ginseng 7 0
Panax quinquefolius American Ginseng; Ginseng 3 521, 000
Papaver somniferum Opium Poppy; Poppyseed Poppy 1 0
Passiflora edulis Maracuya; Passionfruit 1 14, 002
Passiflora incarnata Manzana de Mayo; Mayapple; Passionflower 2 720