Table 3.
Effects of JA priming on Na+ concentration and K+ concentration in the leaf blade and sheath, stem, and root of two wheat cultivars Mai9 (ZM9, salt-sensitive) and Yang Mai25 (YM25, salt-tolerant) under control and salinity stress conditions during two consecutive growing seasons 2019 and 2020.
| Treatments | Na+ Concentration (mg g−1 DW) | K+ Concentration (mg g−1 DW) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Blade | Sheath | Stem | Roots | Blade | Sheath | Stem | Roots | ||
| 2019 | |||||||||
| ZM9 | Ck | 3.79 ± 0.01f | 3.20 ± 0.05c | 3.75 ± 0.05e | 5.65 ± 0.14d-f | 23.12 ± 0.67b | 19.88 ± 0.57bc | 25.31 ± 0.93c | 18.89 ± 0.57e |
| 60 μM JA | 2.31 ± 0.03g | 1.98 ± 0.10d | 1.51 ± 0.07g | 3.41 ± 0.08g | 27.12 ± 1.0a | 26.01 ± 0.47a | 34.38 ± 1.20ab | 23.01 ± 0.58a | |
| S1 | 10.24 ± 0.3ab | 8.58 ± 0.21a | 7.57 ± 0.09a | 12.84 ± 0.57a | 11.90 ± 0.58d | 12.00 ± 0.39d | 15.68 ± 0.57g | 10.49 ± 0.60h | |
| S1+60 μM JA | 4.79 ± 0.03d | 3.36 ± 0.06bc | 4.02 ± 0.07cd | 6.16 ± 0.12d | 19.21 ± 0.94c | 18.25 ± 0.05c | 23.32 ± 0.69c-f | 20.64 ± 0.55bc | |
| YM25 | Ck | 3.65 ± 0.07f | 3.21 ± 0.10bc | 3.84 ± 0.10de | 5.48 ± 0.12ef | 22.78 ± 0.38b | 19.44 ± 0.59bc | 24.69 ± 0.57cd | 19.61 ± 0.33de |
| 60 μM JA | 2.21 ± 0.11g | 1.95 ± 0.21d | 1.68 ± 0.07fg | 3.53 ± 0.08g | 26.68 ± 1.0a | 26.35 ± 0.96a | 35.05 ± 2.09ab | 23.01 ± 0.22a | |
| S1 | 9.96 ± 0.23bc | 8.73 ± 0.25a | 7.53 ± 0.37a | 12.82 ± 0.6a | 11.58 ± 0.56d | 13.68 ± 0.50d | 15.65 ± 1.57g | 11.66 ± 0.51h | |
| S1+60 μM JA | 4.45 ± 0.19e | 3.41 ± 0.07bc | 4.04 ± 0.09cd | 6.17 ± 0.04d | 18.96 ± 1.2c | 18.96 ± 1.15bc | 21.34 ± 1.06f | 19.96 ± 0.64cd | |
| 2020 | |||||||||
| ZM9 | Ck | 3.70 ± 0.04f | 3.19 ± 0.01c | 3.85 ± 0.09c-e | 5.19 ± 0.25f | 21.76 ± 1.4b | 21.34 ± 0.20b | 24.32 ± 1.05c-e | 18.33 ± 0.51g |
| 60 μM JA | 2.33 ± 0.04g | 2.04 ± 0.21d | 1.69 ± 0.09fg | 3.36 ± 0.20g | 26.72 ± 2.34a | 27.03 ± 0.39a | 36.02 ± 0.35a | 22.78 ± 0.67a | |
| S1 | 10.33 ± 0.16a | 8.56 ± 0.29a | 7.65 ± 0.23a | 12.08 ± 0.7b | 12.42 ± 0.89d | 13.03 ± 0.67d | 13.61 ± 0.53gh | 11.19 ± 0.28h | |
| S1+60 μM JA | 4.53 ± 0.24de | 3.38 ± 0.06bc | 4.10 ± 0.11c | 6.09 ± 0.11de | 18.53 ± 0.67c | 18.55 ± 1.27c | 22.65 ± 2.18d-f | 18.70 ± 0.46fg | |
| YM25 | Ck | 3.51 ± 0.13f | 3.22 ± 0.12bc | 3.72 ± 0.12e | 5.12 ± 0.23f | 21.68 ± 1.35b | 20.39 ± 0.87bc | 23.58 ± 1.23c-f | 19.52 ± 0.54d-f |
| 60 μM JA | 2.17 ± 0.05g | 2.08 ± 0.21d | 1.79 ± 0.09f | 3.29 ± 0.21g | 27.10 ± 0.49a | 25.41 ± 0.46a | 33.31 ± 0.91b | 23.22 ± 0.34a | |
| S1 | 9.85 ± 0.30b | 8.55 ± 0.18a | 7.23 ± 0.11b | 11.49 ± 0.3c | 12.64 ± 0.56d | 11.49 ± 0.76d | 13.16 ± 1.13h | 11.57 ± 0.20h | |
| S1+60 μM JA | 4.39 ± 0.21e | 3.52 ± 0.11b | 3.92 ± 0.08c-e | 5.73 ± 0.45d-f | 17.84 ± 0.85c | 19.60 ± 0.55bc | 22.05 ± 2.97ef | 21.12 ± 0.65b | |
| Year (Y) | ns | *** | Ns | *** | ns | *** | *** | *** | |
| Cultivars (C) | ns | *** | *** | *** | * | *** | *** | *** | |
| Treat. (T) | ns | *** | *** | *** | *** | *** | *** | *** | |
| Y × C | ns | ns | *** | *** | ns | *** | *** | *** | |
| Y × T | ns | *** | *** | *** | *** | *** | *** | *** | |
| C × T | ns | *** | *** | *** | ns | *** | *** | *** | |
| Y × C × T | ns | *** | *** | *** | ns | *** | *** | *** | |
Means sharing the same letters, for a parameter during a year, do not differ significantly at P ≤ 0.05 among the studied factors after Student—Newman—Keul test.
*P < 0.05; **P < 0.001; ***P < 0.0001.
Na+, sodium; K+, potassium; Ck, control; S, salt treatment; JA, jasmonic acid.