The result showed that: (1) Yunnan is the most center of genetic diversity for Chinese cultivated rice and the central region and natural treasurehouse of good resources in China.

• (2)云南地方稻种分为籼粳2个亚种及其6大生态群，其中热带粳稻、光壳粳群和普通粳群分别占云南地方稻种的3.；6%25、18