Table 6.
Effect of elevated [CO2] on seed vigour of chickpea as determined by accelerated ageing test
| Year | CO2 concentration | Normal seedlings (%) | Abnormal seedlings (%) | Root length (cm) | Shoot length (cm) | Seedling length (cm) | Seedling dry weight (g) | Vigour index I | Vigour index II |
|---|---|---|---|---|---|---|---|---|---|
| 2017–18 | Ambient | 75.00 | 23.00 | 10.10 | 4.07 | 14.17 | 0.20 | 1067.43 | 15.14 |
| Elevated | 76.00 | 22.00 | 9.63 | 4.10 | 13.73 | 0.21 | 1043.48 | 15.88 | |
| ns | ns | ns | ns | ns | ns | ns | ns | ||
| 2018–19 | Ambient | 69.00 | 30.00 | 12.22 | 4.75 | 16.97 | 0.16 | 1170.93 | 16.69 |
| Elevated | 73.00 | 27.00 | 11.85 | 4.15 | 16.00 | 0.17 | 1168.00 | 16.06 | |
| ns | ns | ns | ns | ns | ns | ns | ns |
ns not significant