Table 19. Effect of 100 mM NaCl with or without glutathione, ascorbic acid, or amino acid mixture on chlorophyll a, chlorophyll b, and carotenoids of two barley cultivars at the pre-flowering stage.
| Treatments | Chlorophyll a | Chlorophyll b | Carotenoids | |||
|---|---|---|---|---|---|---|
| G124 | G119 | G 124 | G119 | G 124 | G119 | |
| Control | 0.09±0.0 | 0.13±0.0 | 0.14±0.0 | 0.18±0.0 | 0.12±0.0 | 0.16±0.0 |
| NaCl | 0.11±0.0 | 0.18±0.0 | 0.18±0.0 | 0.07±0.0 | 0.13±0.0 | 0.11±0.0 |
| Glutathione | 0.17±0.0 | 0.10±0.0 | 0.89±0.0 | 0.09±0.0 | 0.15±0.0 | 0.15±0.0 |
| Glutathione plus salt | 0.26±0.0 | 0.11±0.0 | 0.17±0.0 | 0.06±0.0 | 0.28±0.0 | 0.18±0.0 |
| Ascorbic acid | 0.14±0.0 | 0.11±0.0 | 0.23±0.0 | 0.12±0.0 | 0.17±0.0 | 0.12±0.0 |
| Ascorbic acid plus salt | 0.39±0.0 | 0.17±0.0 | 0.43±0.0 | 0.29±0.0 | 0.29±0.0 | 0.12±0.0 |
| Amino acid mixtures | 0.16±0.0 | 0.12±0.0 | 0.30±0.0 | 0.13±0.0 | 0.10±0.0 | 0.23±0.0 |
| Amino acids plus salt | 0.23±0.0 | 0.13±0.0 | 0.17±0.0 | 0.35±0.0 | 0.26±0.0 | 0.25±0.0 |
| F | 1680.25 | 9871.8 | 22345.1 | 1636.1 | 4255.8 | 22517.2 |
| P | ** | ** | ** | ** | ** | ** |
| LSD | 7.06 | 3.53 | 4.99 | 6.11 | 3.53 | 9.99 |
**
Highly significant at P≤0.01.