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title: Peaches Preceded Humans: Fossil Evidence from SW China
author: Tao Su;  Peter Wilf;  Yongjiang Huang;  Shitao Zhang;  Zhekun Zhou
Issued Date: 2015
Abstract: Peach (Prunus persica, Rosaceae) is an extremely popular tree fruit worldwide, with an annual production near 20 million tons. Peach is widely thought to have origins in China, but its evolutionary history is largely unknown. The oldest evidence for the peach has been Chinese archaeological records dating to 8000–7000 BP. Here, we report eight fossil peach endocarps from late Pliocene strata of Kunming City, Yunnan, southwestern China. The fossils are identical to modern peach endocarps, including size comparable to smaller modern varieties, a single seed, a deep dorsal groove, and presence of deep pits and furrows. These fossils show that China has been a critical region for peach evolution since long before human presence, much less agriculture. Peaches evolved their modern morphology under natural selection, presumably involving large, frugivorous mammals such as primates. Much later, peach size and variety increased through domestication and breeding.
Source: Scientific Reports
Appears in Collections:古生态研究组_期刊论文

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全文许可: Creative Commons 署名-非商业性使用-相同方式共享 3.0

Recommended Citation:
Tao Su,Peter Wilf,Yongjiang Huang,et al. Peaches Preceded Humans: Fossil Evidence From Sw China[J]. Scientific Reports,2015,5(X):16794.

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