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| Chemical Name | Dosage | Reference |
|---|---|---|
| THYMOL | 0.22 uM/fly | Duke, 1992 * |
| TREWIASINE | not available | Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990. |
| WILFORDINE | not available | Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990. |
| WILFORINE | not available | Duke, 1992 * |
| XANTHOTOXIN | not available | Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990. |
| ZINGIBERENE | not available | 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. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Pinus insularis | Khasi Pine | 1 | 941, 000 |
| Pinus kesiya | Khasi Pine | 1 | 941, 000 |
| Pinus mugo | Dwarf Pine; Swiss Mountain Pine | 2 | 0 |
| Pinus palustris | Longleaf Pine | 1 | 160, 750 |
| Pinus roxburghii | Chir Pine; Himalayan Longleaf | 1 | 600, 000 |
| Pinus sylvestris | Scotch Pine | 10 | 822, 670 |
| Pinus walliciana | Bhutan Pine | 2 | 0 |
| Piper auritum | Cordoncillo; Hierba Santa; Hoja Santa | 7 | 0 |
| Piper betel | Betel Pepper | 2 | 23, 980 |
| Piper cubeba | Cubeb; Cubeb Pepper | 10 | 319, 600 |
| Piper nigrum | Black Pepper; Pepper; White Pepper | 14 | 1, 451, 550 |
| Piscidia piscipula | Jamaica Dogwood | 1 | 0 |
| Pistacia lentiscus | Mastic; Chios Mastictree; Mastictree; Mastixbaum (Ger.); Lentisco (Sp.) | 2 | 0 |
| Pisum sativum | Pea | 1 | 0 |
| Plectranthus coleoides | not available | 1 | 55 |
| Plectranthus incanus | Lal Agada | 2 | 1, 640 |
| Plumeria acutifolia | Frangipani | 1 | 0 |
| Podophyllum hexandrum | Himalayan Mayapple | 1 | 81, 000 |
| Podophyllum peltatum | Mayapple | 2 | 13, 000 |
| Podophyllum pleianthum | Chinese Mayapple | 2 | 0 |