Table 2.
Physiological variables of the different types of common bean genotypes grown at high temperatures.
| Variable | EUW | OEUW | WUE | General | value of p | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Media | E.E | Media | E.E | Media | E.E | Media | E.E. | |||||||||
| GY | 1182.5 | ± | 84.6 | a | 990.3 | ± | 67.2 | a | 835.3 | ± | 52.8 | b | 959.7 | ± | 40.5 | 0.0057 |
| A | 24.1 | ± | 1.0 | a | 22.9 | ± | 1.4 | a | 20.8 | ± | 1.0 | b | 22.2 | ± | 0.7 | 0.0010 |
| LSP | 965.1 | ± | 65.1 | 958.1 | ± | 52.6 | 913.9 | ± | 72.1 | 938.9 | ± | 39.8 | ||||
| Rd | 1.0 | ± | 0.1 | b | 1.8 | ± | 0.1 | a | 0.6 | ± | 0.1 | c | 1.1 | ± | 0.1 | < 0.0001 |
| LCP | 26.3 | ± | 2.8 | b | 45.6 | ± | 3.0 | a | 18.2 | ± | 2.3 | c | 28.5 | ± | 2.1 | < 0.0001 |
| Φ PAR | 1.6 | ± | 0.1 | 1.7 | ± | 0.1 | 1.8 | ± | 0.1 | 1.7 | ± | 0.1 | ||||
| V cmax | 34.0 | ± | 6.6 | b | 61.5 | ± | 8.2 | a | 41.7 | ± | 4.6 | b | 46.2 | ± | 3.8 | 0.0166 |
| J max | 51.3 | ± | 6.2 | 60.2 | ± | 5.2 | 71.7 | ± | 6.5 | 63.6 | ± | 3.8 | ||||
| R D | 18.2 | ± | 1.5 | 15.4 | ± | 1.3 | 17.3 | ± | 1.0 | 16.9 | ± | 0.7 | ||||
| glim | 0.19 | ± | 0.01 | c | 0.35 | ± | 0.02 | b | 0.58 | ± | 0.04 | a | 0.43 | ± | 0.03 | < 0.0001 |
| gs | 863.1 | ± | 78.3 | a | 357.4 | ± | 33.2 | b | 199.6 | ± | 18.9 | c | 394.1 | ± | 38.9 | < 0.0001 |
| C i | 297.4 | ± | 4.6 | a | 235.5 | ± | 10.0 | b | 175.4 | ± | 12.7 | c | 220.9 | ± | 9.0 | < 0.0001 |
| WUE | 2.6 | ± | 0.2 | c | 3.7 | ± | 0.2 | b | 5.5 | ± | 0.4 | a | 4.3 | ± | 0.2 | < 0.0001 |
| E | 9.8 | ± | 0.8 | a | 6.0 | ± | 0.5 | b | 4.1 | ± | 0.3 | c | 5.9 | ± | 0.4 | < 0.0001 |
| LTD | −1.37 | ± | 0.5 | c | −0.04 | ± | 0.2 | b | 0.81 | ± | 0.2 | a | 0.07 | ± | 0.2 | < 0.0001 |
EUW, Effective Use of Water; WUE, Water use efficient; OEUW, Opportunistically effective use of water. The acronyms are described in Table 1. Mean±Standard error. a, b, c: Averages with a letter in common between rows are not significantly different at 5% probability.