Research on the Utilization of Regrowth Vigour of Rice

The Progresses about ratooning rice in recent years were described. Included forming mechanism of rice with high regrowth vigour;Correlative factors with regrowth vigour of rice. The steps of using regrowth vigour of rice rationally and the problems of using regrowth vigour of rice at present. The problems of breeding super high yield hybrid rice and high regrowth vigour rice need to research further were discussed.