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

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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
THYMOL 0.22 uM/fly *
TREWIASINE Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990.
WILFORDINE Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990.
WILFORINE *
XANTHOTOXIN Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990.
ZINGIBERENE 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.
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Tagetes patula French Marigold 2 524
Tamarindus indica Tamarind; Kilytree; Indian Tamarind 7 3, 699, 000
Tanacetum parthenium Feverfew 9 35, 062.5
Tanacetum vulgare Tansy 2 200
Taxus baccata Common Yew 2 39
Telosma cordata Merrill flowers 3 903
Tephrosia candida White Tephrosia 1 3, 500
Tephrosia purpurea Purple Tephrosia; Wild Indigo 2 14, 000
Tephrosia virginiana Devil's Shoestring 2 0
Tephrosia vogelii Fish Poison Bean 2 0
Terminalia chebula Ink Nut; Myrobalan; Black Myrobalan; Chebulic Myrobalan 1 0
Tetraclinis articulata Arar Tree; Sandarac 2 0
Teucrium arduini 'Croatian Alpine' Germander 3 32.100000001490116
Teucrium asiaticum 5 4.31000005453825
Teucrium cyprium 'Cyprus' Germander 7 1, 109
Teucrium divaricatum Hoary Divaricate Germander 7 597
Teucrium gnaphalodes Iberian Germander 6 25.5
Teucrium kotschyanum Stavros Kotschy's Germander 7 170
Teucrium micropodioides Small 'Cyprus' Germander 7 664
Teucrium oxylepis 5 9.3700001090765