Origin of the Chinese cultivated rice (Oryza sativa L.) |
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Authors: | Xiangkun Wang Chuanqing Sun Hongwei Cai Juzhong Zhang |
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Institution: | (1) Chinese Agricultural University, 100094 Beijing, China;(2) Henan Archeological Institute, 450004 Zhengzhou, China |
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Abstract: | The following new research progresses are summarized and discussed, which are related to 3 main problems in origin of rice
cultivation in China: 1. new hypothesis of rice cultivation in China— middle Yangtze River and upper Huai River regions; 2.
primitive cultivated rice and the strengthen period of domestication; 3. genetic diversity centers of cultivated rice in China;
4. China and South Asia might be two independent systems of origin and differentiation of Asian cultivated rice; 5. morphological
classification of common wild rice of China; 6. primitive progenitor of common wild rice; 7. direct progenitor of cultivated
rice; 8. present or not the annual wild rice in China; 9. differentiation or not the common wild rice into Indica and Japonica;
10. origin and differentiation of Indica and Japonica. |
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Keywords: | rice cultivation of China homeland of cultivated rice progenitor of cultivated rice origin of Indica and Japonica |
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