Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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

Biological Activity Herbicide

Select a Results View:

Download these results as:
CSV
XLSX
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
P-CYMENE IC50=50 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.
P-METHOXYCINNAMALDEHYDE 5 mM *
PARAXANTHINE IC62=100 ppm 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.
PINENE IC50=30 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.
PIPERITONE IC50=30 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.
PIPERITONE IC50=75 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.
PIQUEROL-A IC63=300 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.
PODOLACTONE-E IC80=10uM 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.
PODOPHYLLOTOXIN 50 ppm *
PROTOANEMONIN 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.
PULEGONE IC50=1.5 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.
REPIN IC50=200 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.
RISHITIN Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
SCOPOLETIN Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
SOLSTITIOLIDE IC50=200 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.
TERPINEN-4-OL IC50=200 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.
TERPINEN-4-OL IC50=22 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.
THEOBROMINE IC41=100 ppm 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.
THEOPHYLLINE IC58=100 ppm 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.
THUJONE IC50=22 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.
Download these results as:
CSV
XLSX
List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Pycnanthemum setosum Setose Mountain Mint 8 30, 938
Pycnanthemum tenuifolium Slenderleaf Mountain Mint 10 25, 070
Pycnanthemum torreyi Torrey's Mountain Mint 7 1, 020
Pycnanthemum verticillatum Whorled Mountain Mint 6 15, 141
Pycnanthemum virginianum Virginia Mountain Mint 8 34, 742
Pyrus communis Pear 1 0
Quercus rubra Northern Red Oak 1 0
Ranunculus bulbosus Bulbous Buttercup 1 0
Raphanus sativus Radish 1 16
Ravensara aromatica Ravensara 9 1, 200
Rheum officinale Chinese Rhubarb 2 0
Rheum palmatum Chinese Rhubarb 2 0.5
Rheum rhabarbarum Rhubarb 1 8
Rhododendron dauricum Chinese Alpenrose 3 0
Ribes nigrum Black Currant 10 130, 019
Ribes uva-crispa Gooseberry 1 0
Ricinus communis Castorbean 1 0
Robinia pseudoacacia Black Locust 1 0
Rosa canina Rose; Dogbrier; Dog Rose 1 0
Rosa centifolia Cabbage Rose 6 1, 200