Table 3 -. Grain morphological characteristics of Ningchun 4 and ND646 at the grain filling stage.
| Days after anthesis (d) | GV (mL) | FGW (g) | DGW (g) | GM (g) | ||||
|---|---|---|---|---|---|---|---|---|
| Ningchun 4 | ND646 | Ningchun 4 | ND646 | Ningchun 4 | ND646 | Ningchun 4 | ND646 | |
| 1 | 5.281 | 4.824 | 4.194 | 4.137 | 0.919 | 0.871 | 3.275 | 3.266 |
| 6 | 15.214 * | 11.736 | 13.091 * | 10.096 | 3.320 * | 2.476 | 9.771 * | 7.620 |
| 11 | 37.261 | 28.507 | 33.103 ** | 25.127 | 8.671 ** | 6.533 | 24.433 ** | 18.594 |
| 16 | 49.685 | 47.462 | 50.981 | 46.409 | 17.523 * | 14.444 | 33.458 | 31.966 |
| 21 | 54.618 | 58.433 | 58.441 | 58.544 | 26.365 | 25.721 | 32.076 | 32.824 |
| 26 | 59.581 | 58.103 | 66.944 | 64.557 | 35.323 | 33.490 | 31.621 | 31.067 |
| 31 | 59.483 | 57.784 | 69.544 | 68.544 | 40.275 | 40.213 | 29.269 | 28.331 |
| 36 | 40.359 | 40.597 | 50.251 | 49.520 | 41.513 | 40.287 | 8.738 | 9.233 |
| 41 | 33.304 | 39.085 ** | 41.966 | 48.252 ** | 38.443 | 44.207 * | 3.523 | 4.045 * |
| 46 | 30.353 | 36.991 ** | 40.322 | 44.845 * | 36.702 | 41.702 * | 3.143 | 3.814 * |
GV = Grain volume, FGW = Fresh grain weight; DGW = Dry grain weight, GM = Grain moisture. * and ** represent significant (p < 0.05) and highly significant (p < 0.01) differences, respectively, in the corresponding traits between Ningchun 4 and ND646.