Table 1.
Concentrations of total soluble sugars (TSS), starch and proline in the second youngest leaf of O. sativa L. cv. Sakha 101 grown on a silty clay soil, amended with either the aqueous extract or powder of the brown alga D. dichotoma, under the impact of NaCl and PEG 6000 at ψw of − 0.492 MPa
Algal amendment and abiotic stress | TSS (mg g−1 DW) | Starch (mg g−1 DW) | Proline (µg g−1 FW) |
---|---|---|---|
No amendment | |||
Control | 110.8 ± 0.67a | 122.3 ± 2.21a | 58.70 ± 0.74a |
NaCl | 135.7 ± 0.66g | 141.1 ± 0.73d | 99.70 ± 1.03c |
PEG | 139.8 ± 0.94h | 167.5 ± 2.50e | 110.2 ± 1.38d |
Aqueous algal extract | |||
Control | 113.3 ± 0.87b | 122.9 ± 2.06a | 68.70 ± 0.94b |
NaCl | 119.9 ± 0.36c | 129.5 ± 1.07b | 120.2 ± 4.09e |
PEG | 124.9 ± 0.72d | 137.3 ± 0.42cd | 119.4 ± 1.64e |
Algal powder | |||
Control | 113.1 ± 0.74b | 123.2 ± 1.39a | 66.60 ± 1.43b |
NaCl | 127.1 ± 0.69e | 124.5 ± 0.49a | 139.0 ± 3.88g |
PEG | 129.5 ± 0.52f | 135.0 ± 0.92c | 131.2 ± 1.94f |
Each value is the mean of three replicates ± SE
Means with common letters are non-significantly different at P ≤ 0.05