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LC50 and LC90 (%) obtained for the engorged female of the essential oils of Citrus limonum, Piper nigrum, and their combination on R. microplus.
| Essential oil | LC50 (%) | LC90 (%) |
|---|---|---|
| Citrus limonum | 2.2 | 4.9 |
| Piper nigrum | 3.7 | 14.8 |
| C. limonum + P. nigrum | 2.2 | 5.1 |
