Table 4.
Treatments | Genotypes |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
Zafar 1 | Zafar 2 | Giza Blanka | Espan | Makamora | Shebam 1 | Giza 3 | C4 | C5 | G853 | |
CAT activity (units mg−1 protein min−1) | ||||||||||
Control | 156.33 ± 2.19i | 142.67 ± 1.45jk | 143.00 ± 1.15jk | 146.67 ± 1.86j | 165.00 ± 1.73hi | 136.00 ± 2.31 k | 139.33 ± 0.88jk | 171.67 ± 3.71gh | 180.00 ± 3.61 fg | 191.00 ± 2.08e |
T1 at 32 °C | 185.00 ± 2.31ef | 186.33 ± 2.73ef | 158.67 ± 0.88i | 158.67 ± 2.03i | 177.33 ± 2.19 fg | 159.00 ± 4.36i | 183.67 ± 2.60ef | 206.33 ± 2.73 cd | 224.00 ± 2.65b | 209.00 ± 3.21 cd |
T2 at 38 °C | 223.67 ± 2.73b | 201.67 ± 4.91d | 185.33 ± 2.03ef | 179.67 ± 0.33 fg | 191.00 ± 3.79e | 172.00 ± 1.73gh | 213.67 ± 6.44c | 237.33 ± 6.77a | 244.33 ± 2.33a | 236.33 ± 2.40a |
POD activity (unit min−1 g−1 FW) | ||||||||||
Control | 10.20 ± 0.80 m | 20.33 ± 0.32 h | 13.63 ± 0.18kl | 16.27 ± 0.27jk | 19.83 ± 0.15hi | 11.27 ± 0.27 lm | 16.43 ± 0.24j | 17.30 ± 0.76ij | 22.50 ± 1.22fgh | 13.70 ± 0.12kl |
T1 at 32 °C | 13.77 ± 1.29kl | 24.37 ± 0.77cdefg | 17.23 ± 1.29ij | 20.10 ± 0.62 h | 24.77 ± 1.07cdef | 15.70 ± 1.60jk | 21.87 ± 1.17gh | 20.50 ± 0.23 h | 26.17 ± 0.84bcde | 17.50 ± 1.22ij |
T2 at 38 °C | 21.70 ± 0.61gh | 26.27 ± 0.44bcd | 23.90 ± 0.64defg | 23.50 ± 0.91efg | 27.57 ± 0.64ab | 19.83 ± 0.71hi | 25.93 ± 0.61 bcde | 26.63 ± 0.68abc | 29.00 ± 0.67a | 23.67 ± 1.61defg |
SOD activity (units mg−1 protein min−1) | ||||||||||
Control | 11.33 ± 1.86lmn | 13.00 ± 1.53klm | 12.33 ± 0.88klmn | 8.67 ± 2.19n | 9.33 ± 1.45mn | 8.33 ± 0.88n | 9.67 ± 0.67mn | 9.33 ± 1.86mn | 11.33 ± 0.88lmn | 15.00 ± 1.53hijkl |
T1 at 32 °C | 17.33 ± 1.45fghij | 18.67 ± 1.45defgh | 18.33 ± 1.20efghi | 16.33 ± 1.20ghijk | 15.00 ± 2.08hijkl | 12.00 ± 1.53lmn | 14.00 ± 1.15jkl | 14.33 ± 0.88ijkl | 17.33 ± 1.20fghij | 20.33 ± 1.76cdefg |
T2 at 38 °C | 24.00 ± 1.53bc | 24.33 ± 0.33abc | 25.00 ± 0.58ab | 22.67 ± 0.88bcd | 21.67 ± 0.88bcde | 18.67 ± 0.33defgh | 21.00 ± 0.58bcdef | 18.67 ± 0.88defgh | 24.00 ± 0.58bc | 28.00 ± 0.58a |
Means followed by a similar letter within a column for each parameter are not significantly different at the 0.05 level of probability by Duncan’s multiple-range test.