Archaeological soybean (Glycine max) in East Asia: does size matter?

The recently acquired archaeological record for soybean from Japan, China and Korea is shedding light on the context in which this important economic plant became associated with people and was domesticated. This paper examines archaeological (charred) soybean seed size variation to determine what i...

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Autores principales:	Gyoung-Ah Lee, Gary W Crawford, Li Liu, Yuka Sasaki, Xuexiang Chen
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2011
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3a2ee7a2fa25494b8c1e8f1433e5c036
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spelling	oai:doaj.org-article:3a2ee7a2fa25494b8c1e8f1433e5c0362021-11-18T07:34:58ZArchaeological soybean (Glycine max) in East Asia: does size matter?1932-620310.1371/journal.pone.0026720https://doaj.org/article/3a2ee7a2fa25494b8c1e8f1433e5c0362011-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22073186/?tool=EBIhttps://doaj.org/toc/1932-6203The recently acquired archaeological record for soybean from Japan, China and Korea is shedding light on the context in which this important economic plant became associated with people and was domesticated. This paper examines archaeological (charred) soybean seed size variation to determine what insight can be gained from a comprehensive comparison of 949 specimens from 22 sites. Seed length alone appears to represent seed size change through time, although the length × width × thickness product has the potential to provide better size change resolution. A widespread early association of small seeded soybean is as old as 9000-8600 cal BP in northern China and 7000 cal BP in Japan. Direct AMS radiocarbon dates on charred soybean seeds indicate selection resulted in large seed sizes in Japan by 5000 cal BP (Middle Jomon) and in Korea by 3000 cal BP (Early Mumun). Soybean seeds recovered in China from the Shang through Han periods are similar in length to the large Korean and Japanese specimens, but the overall size of the large Middle and Late Jomon, Early Mumun through Three Kingdom seeds is significantly larger than any of the Chinese specimens. The archaeological record appears to disconfirm the hypothesis of a single domestication of soybean and supports the view informed by recent phyologenetic research that soybean was domesticated in several locations in East Asia.Gyoung-Ah LeeGary W CrawfordLi LiuYuka SasakiXuexiang ChenPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 6, Iss 11, p e26720 (2011)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Gyoung-Ah Lee Gary W Crawford Li Liu Yuka Sasaki Xuexiang Chen Archaeological soybean (Glycine max) in East Asia: does size matter?
description	The recently acquired archaeological record for soybean from Japan, China and Korea is shedding light on the context in which this important economic plant became associated with people and was domesticated. This paper examines archaeological (charred) soybean seed size variation to determine what insight can be gained from a comprehensive comparison of 949 specimens from 22 sites. Seed length alone appears to represent seed size change through time, although the length × width × thickness product has the potential to provide better size change resolution. A widespread early association of small seeded soybean is as old as 9000-8600 cal BP in northern China and 7000 cal BP in Japan. Direct AMS radiocarbon dates on charred soybean seeds indicate selection resulted in large seed sizes in Japan by 5000 cal BP (Middle Jomon) and in Korea by 3000 cal BP (Early Mumun). Soybean seeds recovered in China from the Shang through Han periods are similar in length to the large Korean and Japanese specimens, but the overall size of the large Middle and Late Jomon, Early Mumun through Three Kingdom seeds is significantly larger than any of the Chinese specimens. The archaeological record appears to disconfirm the hypothesis of a single domestication of soybean and supports the view informed by recent phyologenetic research that soybean was domesticated in several locations in East Asia.
format	article
author	Gyoung-Ah Lee Gary W Crawford Li Liu Yuka Sasaki Xuexiang Chen
author_facet	Gyoung-Ah Lee Gary W Crawford Li Liu Yuka Sasaki Xuexiang Chen
author_sort	Gyoung-Ah Lee
title	Archaeological soybean (Glycine max) in East Asia: does size matter?
title_short	Archaeological soybean (Glycine max) in East Asia: does size matter?
title_full	Archaeological soybean (Glycine max) in East Asia: does size matter?
title_fullStr	Archaeological soybean (Glycine max) in East Asia: does size matter?
title_full_unstemmed	Archaeological soybean (Glycine max) in East Asia: does size matter?
title_sort	archaeological soybean (glycine max) in east asia: does size matter?
publisher	Public Library of Science (PLoS)
publishDate	2011
url	https://doaj.org/article/3a2ee7a2fa25494b8c1e8f1433e5c036
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Archaeological soybean (Glycine max) in East Asia: does size matter?

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