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Clusters variability in major essential oil constituents (%) of R. officinalis with the variation in seasons and accessions.
| EO Components | Cluster I | Cluster II | Cluster III |
|---|---|---|---|
| α- pinene | 10.9–14.0 | 8.0–11.7 | 0.0 |
| Camphene | 3.8–5.1 | 3.5–6.8 | 3.2 |
| β -pinene | 7.9–14.0 | 2.9–4.5 | 1.2 |
| β -myrcene | 1.1–1.2 | 1.0–2.1 | 4.3 |
| 1,8-cineole | 45.4–48.1 | 2.8.7–33.0 | 55.4 |
| Camphor | 5.4–15.8 | 28.2–33.3 | 8.7 |
