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

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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
PLUMBAGIN *
PLUMERICIN Merck 11th Edition
PLUMERICINE *
PODOPHYLLOTOXIN *
POGOSTONE Osawa, K., Matsumoto, T., Maruyama, T., Takiguchi, T., Okuda, K., and Takazoe, I., Studies of the antibacterial activity of plant extracts and their constituents against periodontopathic bacteria, Bull Tokyo Dent. Coll., 31 (1), 1990, 17-21
PONGAGLABROL-METHYLETHER *
PROPIONIC-ACID 2,500-36,000 *
PROTOANEMONIN MIC=15 ug/ml *
PROTOCATECHUIC-ACID 500 ug/ml 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.
PRUNETIN 2.5 mM Geibel, M. 1994. Sensitivity of the Fungus Cytospora persoonii to the Flavonoids of Prunus cerasus. Phytochemistry. 38(3): 599-601. 1995.
PRUNIN 2.5 mM Geibel, M. 1994. Sensitivity of the Fungus Cytospora persoonii to the Flavonoids of Prunus cerasus. Phytochemistry. 38(3): 599-601. 1995.
PSEUDOLARIC-ACID-A *
PSORALEN Merck 11th Edition
PSORALIDIN Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
PTEROCARPAN ED50=39 ug/ml 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.
PTEROSTILBENE Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
PTERYGOSPERMIN *
PULEGONE Economou, D., and Nahrstedt, A. 1991. Chemical, Physiological, and Toxicological Aspects of the Essential Oil of Some Species of the Genus Bystropogon*. Planta Medica, 57: 347, 1991.
PYROGALLOL Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
QUADRIGENIN Watanabe, K., Y. Oguri, M. Miyakado, N. Ohno, and T Mabry. 1985. Structure and fungicidal activity of four pseudoguaianolides isolated from Helenium quadridentatum Labill. Jour. Agric. Food Chem. 33:83.
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Strongylodon macrobotrys 1 16
Strychnos nux-vomica Nux-Vomica; Stychnine 1 0
Styrax benzoin Benzoin; Onycha; Styrax 3 0
Styrax tonkinensis Siam Benzoin 3 203, 002
Swertia chirata Chirata; Chiretta 1 0
Symphoricarpos orbiculatus Buckbush 2 6.079999998211861
Symphytum officinale Comfrey 3 6.8999998569488525
Syringa vulgaris Lilac 3 0
Syzygium aromaticum Clove; Clovetree 17 1, 858, 400
Syzygium cumini Aceituna Dulce; Jambolan; Java Plum 1 1, 470
Syzygium jambos Pomarrosa; Rose Apple 1 516
Tabebuia heptaphylla Pau D'Arco 3 0.20000000298023224
Tabebuia impetiginosa Pau d'arco; Taheebo 6 403, 280
Tagetes erecta Marigold; Aztec Marigold 3 86
Tagetes filifolia Pampa Anise; Irish Lace 4 1, 240, 000
Tagetes lucida Sweet-Mace; Sweet-Scent Marigold; Sweet-Scent Mexican Marigold; Anise Marigold 10 6, 768
Tagetes minuta Wild Marigold; Aztec Marigold; Dwarf Marigold; Mexican Marigold; Muster John Henry; Stinking-Roger 15 4, 905, 150
Tagetes patula French Marigold 4 0
Tamarindus indica Tamarind; Kilytree; Indian Tamarind 16 3, 820, 110
Tanacetum parthenium Feverfew 19 1, 603, 671.7000000477