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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 |
|---|---|---|---|
| Coriaria thymifolia | Ground Toot; Shanshi | 2 | 0 |
| Cornus florida | American Dogwood | 1 | 0 |
| Cornus mas | Cornelian Cherry; Sorbet | 3 | 0 |
| Corylus avellana | English Filbert; European Filbert; European Hazel; Hazel; Cobnut | 1 | 0 |
| Crataegus cuneata | Hawthorn | 2 | 0 |
| Crataegus laevigata | Hawthorn; English Hawthorn; Whitethorn; Woodland Hawthorn | 3 | 0 |
| Crataegus monogyna | Hawthorn; English Hawthorn | 3 | 40 |
| Crataegus pentagyna | Hawthorn | 2 | 0 |
| Crataegus rhipidophylla | Hawthorn | 3 | 0 |
| Crocus sativus | Saffron | 1 | 0 |
| Croton eluteria | Cascarilla | 1 | 0 |
| Croton lechleri | Sangre de Drago; Sangre de Grado; Sangre de Dragon; Dragons Blood | 1 | 0 |
| Cucumis melo | Cantaloupe; Melon; Muskmelon; Netted Melon; Persian Melon; Nutmeg Melon | 1 | 0 |
| Cucumis sativus | Cucumber | 1 | 0 |
| Cucurbita pepo | Pumpkin | 1 | 0 |
| Cuminum cyminum | Cumin | 2 | 1, 668 |
| Curcuma longa | Turmeric; Indian Saffron | 2 | 8, 590 |
| Cyamopsis tetragonoloba | Guar; Cluster-Bean; Siam-Bean | 3 | 0 |
| Cydonia oblonga | Quince | 1 | 0 |
| Cymbopogon citratus | West Indian Lemongrass; Lemongrass | 4 | 0 |