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A model for the domestication of Panicum miliaceum (common, proso or broomcorn millet) in China

Stevens, CJ; Shelach-Lavi, G; Zhang, H; Teng, M; Fuller, DQ; (2020) A model for the domestication of Panicum miliaceum (common, proso or broomcorn millet) in China. Vegetation History and Archaeobotany 10.1007/s00334-020-00804-z. (In press). Green open access

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Abstract

This paper outlines a model for the domestication of Panicum miliaceum (broomcorn millet) in Northern China. Data from 43 archaeological sites indicate a continuous increase in average grain size between 6000 and 3300 BC. After this date there is a divergence, with grain size continuing to increase in some populations, while others show no further size increase. The initial increase in grain size is attributed to selection during domestication, while later divergence after 3300 BC is interpreted as resulting from post-domestication selection. Measurements of grains from two archaeological populations of P. ruderale, showed grains were longer in length by 3300 BC than the earliest grains of P. miliaceum. This suggests this sub-species includes many feral, weedy and/or introgressed forms of P. miliaceum and therefore is probably not entirely representative of the true wild ancestor. It is argued that changes from shattering to non-shattering are contemporary with increasing grain size and the commencement of cultivation. The window of P. miliaceum domestication is therefore likely to lie between 7000 and 3300 BC. However, it is probable that a lengthy period of millet harvesting and small-scale management preceded its domestication.

Type: Article
Title: A model for the domestication of Panicum miliaceum (common, proso or broomcorn millet) in China
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/s00334-020-00804-z
Publisher version: https://doi.org/10.1007/s00334-020-00804-z
Language: English
Additional information: This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Keywords: Origins of agriculture, Cultivation, Neolithic, Palaeoethnobotany, Shattering, Grain size
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology > Institute of Archaeology Gordon Square
URI: https://discovery.ucl.ac.uk/id/eprint/10114722
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