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

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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
HEXAHYDRO-2H-AZEPIN-2-ONE Rizk, A.F.M. and Al-Nowaihi, A.S., The Phytochemistry of the Horticultural Plants of Qatar, Scientific and Applied Research Centre, University of Qatar.
HYDROQUINONE IC100=2.7 mM 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.
INDOLE-3-ACETIC-ACID Korhammer, S.A. and Haslinger, E. 1994. Isolation of a Biologically Active Substance from Rhizomes of Quackgrass [Elymus repens (L.) Gould]. J. Agric. Food Chem. 42: 2048-2050.
IROLONE Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
JUGLONE IC99=1.1 mM 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.
L-CANALINE 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.
LAWSONE IC90=2.4 mM 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.
LIMONENE *
MENADIONE IC50=0.18 mM 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.
MYRICETIN IC82=1 mM 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.
NAGILACTONE-E Hanke, F. J., Natural Products as a Resource for Biologically Active Compounds, Thesis, U. Cal (Santa Cruz), 1986, 252 pp
NIVEUSIN Rizk, A.F.M. and Al-Nowaihi, A.S., The Phytochemistry of the Horticultural Plants of Qatar, Scientific and Applied Research Centre, University of Qatar.
O-COUMARATE IC95=0.20 mM 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.
O-CRESOL IC50=0.36 mM 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.
P-COUMARATE IC50=1.2 mM 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.
P-CRESOL IC50=1.13 mM 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.
P-HYDROXYBENZOATE IC50=1.34 mM 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.
PARASORBIC-ACID *
PARASORBIC-ACID-GLUCOSIDE *
PHITHOCOL IC100=6 mM 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.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Pogostemon cablin Patchouli 4 0
Polygonum aviculare Prostrate Knotweed 5 0
Polygonum hydropiper Common Smartweed 4 30, 000
Polygonum hydropiperoides Mild Water Pepper 1 0
Polygonum multiflorum Chinese Cornbind; Fleeceflower; Fo Ti; He Shou Wu; Chinese Knotweed 1 0
Populus tacamahacca Balm Of Gilead 1 0
Porophyllum ruderale Quilquinya 2 53
Portulaca oleracea Purslane; Verdolaga 1 0
Prosopis juliflora Mesquite 1 0
Prunella vulgaris Self-Heal; Heal-All 6 0
Prunus armeniaca Apricot 6 17, 700
Prunus cerasus Sour Cherry 8 0
Prunus domestica Plum 3 0
Prunus dulcis Almond 2 0
Prunus laurocerasus Cherry Laurel 2 0
Prunus persica Peach 2 0
Prunus serotina Black Cherry; Wild Cherry 3 0
Prunus spinosa Blackthorn; Sloe 3 0
Psidium cattleianum Strawberry Guava 2 0
Psidium guajava Guava 4 379, 200