New Plant Type Breeding for Super-high Yielding Northern Japonica Rice

Based on the research achievements for over 40 years obtained by Rice Institute, Shenyang Agricultural University, the authors comprehensively analyzed the theory and practice for super high yield breeding of northern japonica rice in terms of crossing between indica and japonica, creation of new plant type and development of new varieties. Physiological and genetic problems in super high yielding rice were discussed. Breeding of super high yielding new plant type of rice is a key for realizing the third breakthrough at rice yield.