About the Authors

Yunfei Zheng

zhengyunfei@hotmail.com

Affiliation Zhejiang Provincial Institute of Relics and Archaeology, Hangzhou, China

Gary W. Crawford

Affiliation Department of Anthropology, University of Toronto Mississauga, Mississauga, Ontario, Canada

Xugao Chen

Affiliation Zhejiang Provincial Institute of Relics and Archaeology, Hangzhou, China

Competing Interests

Gary Crawford is a member of the PLOS ONE Editorial Board. This does not alter the authors' adherence to PLOS ONE Editorial policies and criteria.

Author Contributions

Conceived and designed the experiments: YZ GC. Performed the experiments: YZ GC XC. Analyzed the data: YZ GC XC. Wrote the paper: YZ GC. Obtained AMS radiocarbon dates: GC. Obtained peach specimens: YZ.