Table 3.
Effect of γ‐aminobutyric acid (GABA) and nitrogen on P5C accumulation in leaves in different fragrant rice genotypes (µmol/g FW)
| Treatment | HS | 15d AH | MS |
|---|---|---|---|
| GABA0 | |||
| YX | |||
| ZN | 0.509 | 1.085 | 1.010 |
| LN | 0.428 | 0.857 | 1.243 |
| MN | 0.642 | 1.015 | 0.979 |
| HN | 0.614 | 1.355 | 1.265 |
| YG | |||
| ZN | 0.391 | 0.945 | 0.534 |
| LN | 0.484 | 0.636 | 0.511 |
| MN | 0.378 | 0.648 | 0.639 |
| HN | 0.352 | 0.289 | 0.367 |
| BS | |||
| ZN | 1.228 | 0.819 | 0.864 |
| LN | 2.148 | 0.709 | 1.194 |
| MN | 0.673 | 0.774 | 0.994 |
| HN | 0.657 | 0.628 | 0.910 |
| Mean | 0.709 | 0.813 | 0.876 |
| GABA250 | |||
| YX | |||
| ZN | 0.545 | 0.895 | 0.907 |
| LN | 0.494 | 1.274 | 0.921 |
| MN | 0.426 | 1.395 | 1.090 |
| HN | 0.548 | 1.180 | 1.296 |
| YG | |||
| ZN | 0.722 | 0.488 | 0.465 |
| LN | 0.437 | 0.547 | 0.832 |
| MN | 0.414 | 0.560 | 0.461 |
| HN | 0.487 | 0.456 | 0.628 |
| BS | |||
| ZN | 0.936 | 1.005 | 0.746 |
| LN | 0.628 | 0.860 | 0.781 |
| MN | 0.764 | 1.328 | 1.130 |
| HN | 1.313 | 0.714 | 0.815 |
| Mean | 0.643 | 0.892 | 0.839 |
| ANOVA | |||
| T | 0.56ns | 6.65ns | 0.65ns |
| V | 12.89** | 81.69** | 31.39** |
| T × V | 1.15ns | 8.47** | 1.1ns |
| N | 0.96ns | 3.55* | 2.23ns |
| T × N | 2.60ns | 4.98** | 1.02ns |
| V × N | 1.01ns | 4.32** | 1.78ns |
| T × V × N | 2.67* | 2.88* | 2.19ns |
Means with different lowercase letter(s) differ statistically at p < .05.
Abbreviations: BS, Basmati‐385; d AH, days after heading; HS, heading stage; MS, maturity stage; YG, Yugengyou14; YX, Yuxiangyouzhan.
*
Significant at p < .05;
**
Significant at p < .01; ns: nonsignificant.