Origin of domesticated rice in China 9000 years ago.

Angela

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https://www.sciencedaily.com/releases/2016/06/160622164324.htm

"[FONT=&quot]Working with three researchers from the Provincial Institute of Cultural Relics and Archaeology in Zhejiang Province, China, Crawford found the ancient domesticated rice fragments in a probable ditch in the lower Yangtze valley. They observed that about 30 per cent of the rice plant material -- primarily bases, husks and leaf epidermis -- were not wild, but showed signs of being purposely cultivated to produce rice plants that were durable and suitable for human consumption. Crawford says this finding indicates that the domestication of rice has been going on for much longer than originally thought. The rice plant remains also had characteristics of japonica rice, the short grain rice used in sushi that today is cultivated in Japan and Korea. Crawford says this finding clarifies the lineage of this specific rice crop, and confirms for the first time that it grew in this region of China."[/FONT]
 
I read recently that rice could have been domesticated three separate times across Asia, not only once in China. The Science Magazine article mentions that the japonica variety is believed to have been domesticated in southern China between 8200 and 13,500 years ago, but the two other varieties (indica and aus) were independently domesticated in a region straddling India and western Indochina.
 
The Science Magazine article mentions that the japonica variety is believed to have been domesticated in southern China between 8200 and 13,500 years ago, but the two other varieties (indica and aus) were independently domesticated in a region straddling India and western Indochina.

That would be true, b/c 12,000y old rice samples were found in Korea.
Samples of Sorori ancient rice were excavated in 1998 from the Sorori Paleolithic site located at Sorori, Oksan-myeon, Cheong-won County in Chungcheongbuk-do, Korea. We have made new radiocarbon measurements for Sorori samples in 2009 at the NSF Arizona AMS Laboratory. Both ancient rice samples and surrounded peat from the Sorori site were dated. The AMS results confirmed that the ages of the rice and peat soil were 12,520 ± 150 and 12,552 ± 90 BP, respectively. These radiocarbon ages are consistent with the previously published data of quasi rice measured at Seoul National University and confirm that the Sorori rice is the oldest ancient rice currently reported
http://www.sciencedirect.com/science/article/pii/S0168583X1200612X

left ones are Sorori
00Sorori5.jpg
 

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