Abstract: Based on multidisciplinary studies of ecology, biology, genetics, archaeology, nationality etc, author put forward a hypothesis on the origin of keng rice (japonica) in China. Keng rice is considered to be originated from keng-like common wild rice(Oryza rufipogon or Oryza perennis), and keng and hsien(indica) rices were domesticated parallelly. The most important homeland of keng is located in the middle and lower basin of Yangtze river, the center being in the area of Taihu Lake in East China.

Key words: Domestication, Keng rice(japonica), Rice origin

摘要： 从多学科角度探讨了中国粳稻的起源。认为我国的粳稻独立起源于偏粳的普通野生稻，籼、粳稻是平行演化的；我国粳稻量重要的起源地是在长江中下游的平原沼泽地带，其中心区域位于太湖流域。

关键词: 粳稻, 稻种起源, 演化