Table 2. Chemicals and post-anthesis severe water deficit effect on activities of SuSas, AGPase, SSSase in superior (S) and inferior (I) grains of wheat.
Treatment | 14 DPA | 21 DPA | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SuSase (mg sucrose g−1FW min−1) | AGPase (mol g−1 FW min−1) | SSSase (mol g−1 FW min−1) | SuSase (mg sucrose g−1FW min−1) | AGPase (mol g−1 FW min−1) | SSSase (mol g−1 FW min−1) | ||||||||
S | I | S | I | S | I | S | I | S | I | S | I | ||
WW | Control | 10.6 ± 0.59ab | 9.2 ± 1.24b | 26.2 ± 0.92c | 16.7 ± 0.28b | 23.7 ± 0.41ab | 11.8 ± 0.79b | 10.7 ± 0.14bc | 8.3 ± 0.58bc | 16.7 ± 0.8d | 11.9 ± 0.9d | 18.6 ± 0.22ab | 6.1 ± 0.6bc |
Spd | 12.5 ± 0.36ab | 6.4 ± 0.05c | 34.4 ± 1.8ab | 23.37 ± 0.19ab | 17.3 ± 0.25d | 14.3 ± 0.7ab | 13.5 ± 0.67b | 8.4 ± 1.58bc | 23.3 ± 1.3c | 18.9 ± 0.52ab | 19.7 ± 0.17a | 8.3 ± 0.45ab | |
AVG | 11.5 ± 0.21ab | 7.9 ± 0.41bc | 28.1 ± 1.7bc | 31.1 ± 1.1a | 19.5 ± 0.64 cd | 13.7 ± 0.36ab | 18.5 ± 0.54a | 13.9 ± 0.49a | 31.1 ± 2.2a | 15.2 ± 0.71bc | 17.3 ± 0.29b | 9.1 ± 0.3a | |
SD | Control | 7.5 ± 0.2b | 6.6 ± 0.57c | 23.3 ± 0.4c | 16.3 ± 0.56b | 20.9 ± 1.04bc | 5.8 ± 0.11c | 7.1 ± 0.1c | 4.6 ± 0.42c | 16.3 ± 0.19d | 8.7 ± 0.99e | 16.3 ± 0.86bc | 2.2 ± 0.18d |
Spd | 14.9 ± 0.47ab | 13.3 ± 0.47a | 36.8 ± 1.5a | 32.8 ± 0.32a | 25.4 ± 1.25a | 12.7 ± 0.87b | 11.7 ± 1.13b | 4.9 ± 0.24c | 26.9 ± 0.35b | 18.22 ± 0.25a | 20.7 ± 0.09a | 3.35 ± 0.55 cd | |
AVG | 16.3 ± 0.21a | 9.9 ± 0.34b | 28.3 ± 0.39bc | 26.9 ± 0.12a | 18.1 ± 0.12 cd | 16.1 ± 1.22a | 18.0 ± 1.21a | 12.1 ± 1.26ab | 32.77 ± 0.62a | 12.8 ± 0.19 cd | 14.1 ± 0.08bc | 7.6 ± 0.29ab | |
P-value | Water treatment (W) | 0.3096 | 0.0002 | 0.9531 | 0.3617 | 0.0402 | 0.0069 | 0.0183 | 0.0013 | 0.0149 | 0.0116 | 0.0036 | 0.0001 |
Chemical treatment (C) | 0.0184 | 0.005 | 0.0001 | 0.0002 | 0.0014 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | |
W × C | 0.0796 | 0.0001 | 0.2469 | 0.0206 | 0.0001 | 0.0003 | 0.2197 | 0.4898 | 0.0453 | 0.006 | 0.004 | 0.0575 |
Means (n = 3) within a column with the same letter are not significantly different at P < 0.05. WW, well-watered; SD, severe water deficit; AVG, Aminoethoxyvinylglycine; Spd, Spermidine;
S, superior grains; I, inferior grains.