Table 1.
Classification of grain position within a panicle and panicle morphological traits for six rice cultivars
| Cultivar | Total number of primary branches | Classification of rachis within a panicle |
Panicle morphological character |
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| Upper rachis | Middle rachis | Lower rachis | PL (cm) | GPP | GD (grain/cm) | BD (°) | Yield (kg/hm2) | ||
| 98110 | 14 | 4 | 5 | 5 | 16.2 | 151.2 | 9.3 | 9.0 | 8427.5 |
| HIPj | 14 | 4 | 5 | 5 | 16.0 | 148.7 | 9.3 | 9.2 | 8132.7 |
| Xiushui63 | 12 | 3 | 5 | 4 | 15.8 | 126.5 | 8.0 | 9.7 | 7737.1 |
| Xiushui994 | 14 | 4 | 5 | 5 | 15.4 | 132. 6 | 8.6 | 7.8 | 7945.3 |
| Chunjiang15 | 12 | 4 | 4 | 4 | 21.5 | 103.7 | 4.8 | 76.2 | 6863.8 |
| Xiushui11 | 12 | 4 | 4 | 4 | 19.2 | 110.0 | 5.7 | 86.1 | 7142.0 |
PL: panicle length; GPP: grains per panicle; GD: grain density; BD: bending degree of panicle