Table 2.
Effect of treatment on the presence of key metabolite groups in common bean.
| Treatments | Chlorophylls (mg/L) |
Flavonoids (Abs g DM−1) |
Anthocyanins (Abs g DM−1) |
|---|---|---|---|
| Foliar fertiliser | 19.3 ± 1.84 b | 2.8 ± 0.28 ab | 0.1 ± 0.01 a |
| Synthetic pesticide | 13.7 ± 0.74 c | 2.4 ± 0.14 bcd | 0.1 ± 0.00 a |
| Tephrosia vogelii | 24.6 ± 1.29 a | 2.7 ± 0.23 abc | 0.1 ± 0.01 a |
| Tithonia diversifolia | 18.9 ± 0.89 b | 3.0 ± 0.16 a | 0.1 ± 0.01 a |
| Water | 12.7 ± 0.53 c | 2.1 ± 0.17 d | 0.1 ± 0.03 a |
| Water and soap | 14.0 ± 0.49 c | 2.2 ± 0.15 cd | 0.1 ± 0.02 a |
| Method of Application | |||
| Soil drench | 15.9 ± 0.89 b | 2.5 ± 0.12 a | 0.1 ± 0.01 a |
| Foliar spray | 18.5 ± 1.14 a | 2.6 ± 0.13 a | 0.1 ± 0.01 a |
| 2-Way ANOVA (F-Statistics) | |||
| Treatment | 27.8 *** | 3.4 * | 0.6ns |
| Method of application | 12.7 ** | 0.5ns | 0.4ns |
| Treatment * Method of application | 3.0 * | 1.3ns | 0.3ns |
The values presented are means ± SE. *, **, *** = significant at p ≤ 0.05, p ≤ 0.01, p ≤ 0.001 respectively, ns = not significant. Means followed by the same letter in a column are not significantly different.