Table 2.
Toxicity of compounds isolated from R. anthopogonoides flowering aerial partsagainst S. zeamais adults.
| Compounds | Contact Toxicity | Fumigant Toxicity | ||||
|---|---|---|---|---|---|---|
| 7 d LD50 (μg/adult) (95% FL) | Slope ± SE | Chi square (χ2 ) | 7 d LC50 (mg/L) (95% FL) | Slope ± SE | Chi Square (χ2 ) | |
| 4-Phenyl-2-butanone | 6.98 (6.63–7.36) | 8.22 ± 0.92 | 13.12 | 3.80 (3.48–4.20) | 6.67 ± 0.49 | 14.95 |
| 1,4-Cineole | 50.86 (46.14–56.62) | 4.01 ± 0.41 | 19.32 | 21.43 (20.64–25.04) | 4.14 ± 0.47 | 16.52 |
| Nerolidol | 29.30 (26.54–31.86) | 4.52 ± 0.49 | 22.68 | >353.00 | - | - |
| Crude oil | 11.67 (10.98–12.84) | 5.99 ± 0.61 | 11.96 | 9.66 (8.79–10.64) | 4.43 ± 0.50 | 13.80 |
| Pyrethrum extract | 4.87 (4.36–5.32) | 0.73 ± 0.021 | 13.51 | - | - | - |
| MeBr * | - | 0.67 | - | - | ||
* data from Liu and Ho [28].