Table 2 Mean traits studied in the synthetic variety (SYN) and parental genotypes, percentage change of mean traits under drought stress compared to normal conditions, and percentage superiority of the synthetic variety (SYN) over parental genotypes.
Traits | Parents | Change (%) | SYN | Change (%) | The superiority percentage of the synthetic variety compared to the parents (%) | |||
|---|---|---|---|---|---|---|---|---|
Normal | Stress | Normal | Stress | Normal | Stress | |||
Yield (g.m2) | 155.55 ± 21.84 | 100.46 ± 32.34 | −35.42 | 207.30 ± 30.17 | 172.38 ± 13.75 | −16.85 | 33.27 | 71.59 |
Protein (mg g−1 FW) | 0.74 ± 0.12 | 0.46 ± 0.13 | −37.63 | 0.92 ± 0.001 | 0.48 ± 0.007 | −48.04 | 24.47 | 1.49 |
Sugar (mg g−1 FW) | 0.68 ± 0.21 | 0.95 ± 0.26 | 40.55 | 1.24 ± 0.01 | 1.35 ± 0.03 | 8.51 | 83.13 | 41.39 |
Chlorophyll a (µg ml-1) | 7.59 ± 1.62 | 5.19 ± 0.94 | −31.60 | 10.40 ± 0.01 | 7.61 ± 0.01 | −26.82 | 36.95 | 46.53 |
Chlorophyll b (µg ml-1) | 3.52 ± 0.82 | 2.77 ± 0.67 | −21.41 | 3.65 ± 0.02 | 2.26 ± 0.03 | −38.18 | 3.70 | −18.43 |
Total chlorophyll (µg ml-1) | 11.11 ± 1.44 | 7.96 ± 2.10 | −28.41 | 14.01 ± 0.001 | 9.87 ± 0.04 | −29.55 | 26.04 | 24.03 |
Carotenoid (µg ml-1) | 13.57 ± 2.18 | 8.74 ± 1.36 | −35.62 | 16.57 ± 0.03 | 14.37 ± 0.04 | −13.27 | 22.05 | 64.42 |
Proline (µg g−1 FW) | 1.80 ± 0.52 | 3.10 ± 1.67 | 71.77 | 2.65 ± 0.01 | 4.73 ± 0.03 | 78.45 | 47.17 | 52.90 |
Catalase activity (U g−1 min−1mg FW) | 2.29 ± 1.10 | 6.95 ± 2.85 | 203.60 | 8.70 ± 0.02 | 16.11 ± 0.01 | 85.28 | 279.85 | 131.81 |
peroxidase (U g−1 min−1mg FW) | 2.19 ± 1.05 | 6.54 ± 2.70 | 198.49 | 7.41 ± 0.007 | 14.52 ± 0.01 | 95.83 | 238.46 | 122.05 |
Ascorbate peroxidase (U g−1 min−1mg FW) | 2.04 ± 0.65 | 4.14 ± 1.97 | 103.07 | 8.20 ± 0.01 | 15.11 ± 0.02 | 84.28 | 301.97 | 264.78 |
Essential oil (%) | 1.20 ± 0.36 | 1.67 ± 0.51 | 39.27 | 3.07 ± 0.10 | 3.27 ± 0.08 | 6.35 | 155.39 | 95.02 |
