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| Chemical Name | Dosage | Reference |
|---|---|---|
| TAGETONE | not available | Duke, 1992 * |
| TENULIN | not available | Duke, 1992 * |
| THUJIC-ACID | not available | Russell, G. B., Phytochemical resources for crop protection, N. Z. J. Technol., 2, 1986, 127-134. |
| TRACHYLOBAN-19-OIC-ACID | not available | Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990. |
| TRITRIACONTANE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Spondias pinnata | Yellow Mombin; Yellow Plum | 1 | 0 |
| Stachys officinalis | Betony; Wood Betony; Bishop's-Wort; Purple Betony | 1 | 0 |
| Stachytarpheta jamaicensis | Brazilian Tea | 1 | 0 |
| Stellaria media | Chickweed; Common Chickweed | 2 | 0 |
| Stevia rebaudiana | Ca-A-E; Sweet Leaf of Paraguay; Stevia | 2 | 21 |
| Strychnos nux-vomica | Nux-Vomica; Stychnine | 1 | 0 |
| Symphytum officinale | Comfrey | 1 | 0 |
| Syringa vulgaris | Lilac | 2 | 0 |
| Syzygium aromaticum | Clove; Clovetree | 3 | 1, 780, 842 |
| Tabebuia impetiginosa | Pau d'arco; Taheebo | 1 | 0 |
| Tagetes erecta | Marigold; Aztec Marigold | 1 | 124 |
| Tagetes filifolia | Pampa Anise; Irish Lace | 1 | 0 |
| Tagetes lucida | Sweet-Mace; Sweet-Scent Marigold; Sweet-Scent Mexican Marigold; Anise Marigold | 1 | 0 |
| Tagetes minuta | Wild Marigold; Aztec Marigold; Dwarf Marigold; Mexican Marigold; Muster John Henry; Stinking-Roger | 2 | 18, 000 |
| Tagetes patula | French Marigold | 3 | 210 |
| Tanacetum parthenium | Feverfew | 1 | 1, 000 |
| Tanacetum vulgare | Tansy | 2 | 0 |
| Taraxacum officinale | Dandelion | 2 | 0 |
| Taxus baccata | Common Yew | 1 | 0 |
| Tecoma stans | Yellow Elder | 1 | 80 |