Table 4. Effect of exogenous spray applications of glutathione (GSH; 0.5 or 1.0 mM) on the productivity of common beans plants grown under different irrigation levels in 2017 (SI) and 2018 (SII) seasons.
| Treatment | Number of pods plant−1 | Green pods weight plant−1 | Green pods yield (ton ha−1) | |||
|---|---|---|---|---|---|---|
| SI | SII | SI | SII | SI | SII | |
| I100 | 26.7*a | 29.3a | 49.0a | 51.7a | 9.61a | 10.15a |
| I80 | 19.0b | 22.3b | 40.7b | 41.0b | 8.63b | 9.04b |
| I60 | 10.7c | 11.0c | 25.8e | 26.7d | 4.87c | 5.65d |
| I100+ GSH1 | 27.0a | 29.7a | 50.7a | 51.1a | 9.73a | 11.02a |
| I100+ GSH2 | 28.3a | 29.3a | 49.7a | 50.7a | 9.73a | 10.70a |
| I80+ GSH1 | 27.7a | 28.9a | 50.3a | 51.3a | 10.87a | 10.97a |
| I80+ GSH2 | 27.3a | 29.0a | 49.7a | 51.0a | 9.93a | 11.00a |
| I60+ GSH1 | 19.0b | 22.3b | 36.0c | 36.3c | 8.20b | 8.99b |
| I60+ GSH2 | 19.0b | 21.7b | 31.7d | 37.0c | 7.97b | 8.02c |
Notes.
*
Mean values in each column followed by a different lower-case-letter are significantly different by Tukey’s Honest Significant Difference test at P ≤ 0.05.
- I100
- irrigation with 100% of ETc
- I80
- irrigation with 80% of ETc
- I60
- irrigation with 60% of ETc