| 1 | Guide farmers to expand rice and corn production as well as to increase grain variety. | |
| 2 | The effect of glume-opening character on rice quality of early Japonica in cold region was studied. | |
| 3 | One of the reasons for the fast development of japonica rice industry in China is its higher comparative benefit. | |
| 4 | The history and achievements of the molecular breeding for northern japonica rice were re-viewed. | |
| 5 | The single-origin model suggests that indica and japonica were both domesticated from the wild rice O. rufipogon. |