Table 3 Morphological criteria 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 | Shoot length (cm) | Shoot FW (g) | Shoot DW (g) | ||||
|---|---|---|---|---|---|---|---|---|
− | + | − | + | − | + | |||
0 | Control | 16.25 | 22.24 | 8.22 | 10.65 | 0.82 | 1.03 | |
Proline | 0.5 | 18.73 | 27.64 | 11.08 | 13.16 | 1.28 | 1.59 | |
1.0 | 21.95 | 34.42 | 12.56 | 15.44 | 1.64 | 1.82 | ||
Trehalose | 2.5 | 22.20 | 35.26 | 12.41 | 16.82 | 1.55 | 1.93 | |
5.0 | 25.80 | 37.25 | 14.72 | 18.30 | 1.81 | 2.18 | ||
3000 | Control | 14.56 | 18.32 | 5.28 | 6.98 | 0.54 | 0.87 | |
Proline | 0.5 | 15.36 | 18.95 | 5.71 | 8.28 | 0.78 | 0.93 | |
1.0 | 16.65 | 21.45 | 7.40 | 9.53 | 0.81 | 0.96 | ||
Trehalose | 2.5 | 16.84 | 21.78 | 7.64 | 9.40 | 0.87 | 0.97 | |
5.0 | 17.21 | 23.00 | 6.98 | 11.43 | 0.68 | 1.12 | ||
6000 | Control | 11.93 | 13.89 | 3.89 | 4.92 | 0.41 | 0.78 | |
Proline | 0.5 | 12.69 | 16.32 | 4.69 | 6.68 | 0.62 | 0.79 | |
1.0 | 14.22 | 18.49 | 5.90 | 8.34 | 0.73 | 0.82 | ||
Trehalose | 2.5 | 14.62 | 18.80 | 5.96 | 8.72 | 0.79 | 0.85 | |
5.0 | 15.95 | 20.15 | 6.46 | 8.93 | 0. 93 | 0.89 | ||
LSD at 5% | 1.35 | 1.58 | 0.06 | |||||