Table 3.
Cultivar | Treatments | LRWC (%) | CF (Fv/Fm) | A (μ mol CO2 m−2s−1) | E (m mol m−2s−1) | Gs (mol m−2 s−1) |
---|---|---|---|---|---|---|
Hagerew | Control | 83.86 ± 1.81a | 0.7533 ± 0.02a | 16.87 ± 0.74a | 5.11 ± 0.19a | 0.199 ± 0.007a |
Low stress | 82.26 ± 3.37a (1.92) |
0.6823 ± 0.02a (1.59) |
15.71 ± 0.66b (20.70) |
5.27 ± 0.20b (3.33) |
0.188 ± 0.004b (1.11) |
|
Moderate stress | 77.77 ± 3.38a (7.26) |
0.6690 ± 0.003a (3.50) |
14.27 ± 0.34bc (23.56) |
4.67 ± 0.13c (4.35) |
0.182 ± 0.002c (2.55) |
|
Severe stress | 66.87 ± 6.19b (20.26) |
0.6702 ± 0.009b (3.33) |
12.78 ± 0.53d (26.78) |
3.23 ± 0.11d (5.45) |
0.111 ± 0.001d (11.45) |
|
| ||||||
Markofana | Control | 86.44 ± 3.01a | 0.7630 ± 0.03a | 15.79 ± 0.84a | 5.81 ± 0.31a | 0.185 ± 0.005a |
Low stress | 85.14 ± 3.45a (1.50) |
0.6533 ± 0.03a (4.35) |
15.32 ± 0.54b (21.45) |
5.23 ± 0.29a (3.35) |
0.188 ± 0.006b (1.08) |
|
Moderate stress | 78.08 ± 2.36a (9.67) |
0.6423 ± 0.02a (5.96) |
14.35 ± 0.44c (22.21) |
4.97 ± 0.25a (4.11) |
0.167 ± 0.004c (3.83) |
|
Severe stress | 71.46 ± 14.21a (17.33) |
0.6577 ± 0.006a (3.70) |
13.56 ± 0.47d (24.35) |
4.11 ± 0.16a (5.00) |
0.134 ± 0.003d (10.97) |
|
| ||||||
Mitmita | Control | 87.41 ± 1.67a | 0.7713 ± 0.008a | 17.12 ± 0.89a | 6.76 ± 0.45a | 0.198 ± 0.007a |
Low stress | 86.57 ± 3.01a (0.96) |
0.7030 ± 0.007a (0.24) |
17.00 ± 0.79a (10.11) |
6.45 ± 0.40a (3.23) |
0.199 ± 0.007a (1.02) |
|
Moderate stress | 82.44 ± 0.54a (5.69) |
0.6707 ± 0.02a (4.36) |
16.34 ± 0.47a (19.99) |
5.67 ± 0.32a (3.56) |
0.178 ± 0.005a (2.66) |
|
Severe stress | 73.49 ± 0.003a (15.92) |
0.6810 ± 0.01a (2.89) |
15.00 ± 0.74a (21.11) |
4.99 ± 0.22a (3.00) |
0.166 ± 0.003a (4.33) |
The values represent the mean ± SE of the three replicates. Numbers followed by different letters in the columns indicate significant differences (p < 0.05) according to the LSD test values within parenthesis are percent variations as obtained from the control plants of respective cultivars.