Table 7 Yield parameters of quinoa plants treated with proline or trehalose with (+) and without (−) compost amendment under salinity stress (average of two seasons)
Salinity (mg/L) | Treatment, mM | Plant height (cm) | Number of branches/plant | Shoot weight (g) | Seed weight/plant (g) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
− | + | − | + | − | + | − | + | |||
0 | Control | 43.53 | 46.95 | 11.48 | 14.32 | 7.98 | 8.78 | 4.11 | 5.21 | |
Proline | 0.5 | 46.43 | 50.96 | 13.43 | 15.86 | 8.43 | 9.56 | 5.42 | 6.40 | |
1.0 | 52.00 | 55.12 | 15.32 | 17.90 | 10.22 | 11.86 | 6.63 | 7.42 | ||
Trehalose | 2.5 | 50.12 | 54.04 | 17.04 | 18.50 | 11.27 | 12.43 | 8.20 | 9.00 | |
5.0 | 55.32 | 58.14 | 16.89 | 18.33 | 10.76 | 11.89 | 7.96 | 8.02 | ||
3000 | Control | 38.65 | 40.98 | 9.34 | 11.00 | 5.18 | 6.32 | 3.06 | 4.02 | |
Proline | 0.5 | 41.46 | 43.05 | 10.25 | 11.65 | 5.61 | 6.32 | 3.64 | 4.19 | |
1.0 | 44.19 | 45.19 | 10.51 | 12.50 | 5.90 | 6.83 | 3.75 | 4.23 | ||
Trehalose | 2.5 | 44.80 | 45.03 | 11.83 | 12.30 | 6.55 | 7.64 | 4.12 | 4.78 | |
5.0 | 45.04 | 47.34 | 10.91 | 12.00 | 5.31 | 6.66 | 3.76 | 3.86 | ||
6000 | Control | 24.29 | 28.32 | 7.50 | 8.50 | 3.24 | 4.71 | 2.10 | 2.42 | |
Proline | 0.5 | 26.98 | 31.15 | 8.46 | 9.24 | 4.76 | 5.38 | 2.53 | 3.48 | |
1.0 | 30.88 | 34.52 | 9.33 | 9.50 | 5.08 | 6.06 | 2.71 | 4.22 | ||
Trehalose | 2.5 | 32.21 | 34.63 | 9.50 | 10.50 | 5.66 | 6.16 | 3.39 | 4.41 | |
5.0 | 35.76 | 40.14 | 9.33 | 11.00 | 5.17 | 5.98 | 2.76 | 3.41 | ||
LSD at 5% | 3.25 | 1.16 | 0.46 | 0.25 | ||||||