Predictive Method for Correct Identification of Archaeological Charred Grape Seeds: Support for Advances in Knowledge of Grape Domestication Process

PloS One
Mariano UcchesuGianluigi Bacchetta

Abstract

The identification of archaeological charred grape seeds is a difficult task due to the alteration of the morphological seeds shape. In archaeobotanical studies, for the correct discrimination between Vitis vinifera subsp. sylvestris and Vitis vinifera subsp. vinifera grape seeds it is very important to understand the history and origin of the domesticated grapevine. In this work, different carbonisation experiments were carried out using a hearth to reproduce the same burning conditions that occurred in archaeological contexts. In addition, several carbonisation trials on modern wild and cultivated grape seeds were performed using a muffle furnace. For comparison with archaeological materials, modern grape seed samples were obtained using seven different temperatures of carbonisation ranging between 180 and 340ºC for 120 min. Analysing the grape seed size and shape by computer vision techniques, and applying the stepwise linear discriminant analysis (LDA) method, discrimination of the wild from the cultivated charred grape seeds was possible. An overall correct classification of 93.3% was achieved. Applying the same statistical procedure to compare modern charred with archaeological grape seeds, found in Sardinia and dating ba...Continue Reading

References

Jan 31, 1975·Science·D Zohary, P Spiegel-Roy
Oct 3, 2012·Comptes rendus biologies·Martino OrrùGianluigi Bacchetta
Dec 1, 2013·Annals of the American Thoracic Society·Wendy C MooreEugene R Bleecker

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Citations

Aug 29, 2021·Plants·Emilio CervantesÁngel Tocino

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Software Mentioned

Particles8
SPSS
SHAPE
LDA

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