| Entry | Succinate (g・kg−1) | |
| Deficit irrigation | Non-deficit irrigation | |
| PMN 10TX13 | 11.1 aZ | 8.0 ab |
| Merkeron | 10.1 a | 9.9 a |
| PEPU 09FL03 | 9.4 ab | 11.1 a |
| PEPU 09FL01 | 9.3 ab | 10.9 a |
| BMR Sorghum | 9.5 ab | 0.8 b |
| SX-17 | 1.5 c | 9.0 ab |
| BMR pearl millet | 10.2 abc |
|
| PSH 09TX15 | 3.1 bc | 6.9 ab |
| Alamo switchgrass | 8.2 abc | 10.4 a |
| Tropical isle Sunn Hemp | 4.6 abc | 6.9 ab |
| Giant miscanthus (Mxg) | 4.5 abc | 5.3 ab |
| Energy cane | 4.3 abc | 7.8 ab |
| Grand mean | 7.1 | 7.9 |