| Drought treatment | Proline(µg/g) | Soluble sugar (mg/g) | Starch mg/g |
| T0 (control) | 2.13 a | 0.199 a | 0.062 ab |
| T1 (15 to 21 days) | 1.81 bc | 0.171 bc | 0.057 bc |
| T2 (35 to 41 days) | 1.91 bc | 0.198 ab | 0.058 bc |
| T3 (55 to 61 days) | 1.73 c | 0.168 c | 0.062 ab |
| T4 (75 to 81 days) | 1.81 bc | 0.190 bc | 0.054 bc |
| T5 (95 to 101 days) | 1.90 bc | 0.13 c | 0.060 b |
| T6 (115 to 121 days) | 2.00 b | 0.193 b | 0.063 ab |
| CV (%) | 0.671 | 0.766 | 0.012 |