Origin of Wine
Tracking the History of Grapevine Cultivation in Georgia
1. Background and Research Goals
The Near East and Caucasus are considered the primary domestication centers of grapevine.
The earliest chemical evidence of wine production (6000–5800 BC) was discovered in Neolithic sites in Georgia.
This study seeks to:
Identify the earliest domesticated grapevines in Georgia.
Explore the evolution of cultivated grape diversity over time.
Compare ancient grape morphotypes with modern cultivars using DNA analysis.
2. Methodology: Combining Archaeology, Morphometrics, and Genomics
The study analyzed grape pips from 14 archaeological sites using two key methods:
A. Geometric Morphometrics (GMM)
Shape analysis of over 500 ancient grape seeds from different periods.
Comparison with modern wild and cultivated grape varieties to determine domestication status.
B. Ancient DNA (aDNA) Analysis
DNA extracted from charred and uncharred pips to examine genetic continuity.
DNA sequences compared to a large public database of grapevine cultivars.
C. Radiocarbon Dating
Direct C-14 dating was performed to confirm the chronology of the samples.
3. Key Findings
A. Earliest Domesticated Grapevines (1000 BC Onward)
The most ancient grape pip (wild-type) dates to 1900–1500 BC (Middle Bronze Age).
The earliest domesticated-type pips appear around 1000 BC (Late Bronze Age).
Domesticated grapevines increased significantly in later periods.
B. Morphological Diversity of Ancient Grapes
The study found a high diversity of domesticated grape morphotypes over time.
Ancient pips closely resemble modern Caucasian, Balkan, and Near Eastern cultivars.
The transition from wild to cultivated vines was gradual and occurred over centuries.
C. Ancient DNA Confirms Genetic Links to Modern Varieties
DNA successfully recovered from medieval and historic samples.
Ancient pips show close genetic ties to modern Georgian grape varieties.
A sample from Tsitsamuri (15th-16th century AD) closely matches the modern "Adreuli Skelkana" variety.
D. Evidence of Early Winemaking
Chemical evidence shows that wine was produced in Georgia as early as 6000 BC.
However, domesticated grapevines only appeared later (~1000 BC), suggesting that early wines may have been made from wild grapes.
4. Implications for the History of Viticulture
A. Georgia as a Cradle of Wine
The study reinforces Georgia’s role as one of the earliest wine-producing regions.
The genetic continuity between ancient and modern grapes indicates a deep-rooted viticultural tradition.
B. Wild Grapes May Have Been Used for Early Winemaking
The gap between early wine production (6000 BC) and domesticated grape cultivation (1000 BC) suggests that wild grapes were initially used for fermentation.
C. The Evolution of Grapevine Cultivation
Early grape cultivation likely involved gradual domestication of wild vines through human selection.
Georgian grape diversity has been shaped over millennia, with genetic influence from the Near East and Balkans.
The Noah Hypothesis
1. Origins of Domesticated Grapevines
The Noah Hypothesis parallels the Eve Hypothesis in human genetics, which traces human ancestry to a single maternal ancestor.
Researchers are attempting to trace all modern grape cultivars back to a single wild Eurasian grape ancestor.
The domestication of Vitis vinifera involved a long period of experimentation before Neolithic societies developed sophisticated viticulture.
2. Biblical and Mythological Parallels
The biblical Noah’s first act after the flood was to plant a vineyard (Genesis 9:20).
Similar flood myths exist in Mesopotamian legends, such as the Epic of Gilgamesh, where Utnapishtim, the flood survivor, also has associations with wine and vineyards.
The Gilgamesh tale references Siduri, a tavern keeper, highlighting the early role of fermented beverages in civilization.
These stories suggest that wine held cultural and religious importance from early times.
3. Archaeological and Genetic Evidence
Chemical analyses of ancient pottery suggest that wine production began in the Neolithic period (~6000 BC).
Archaeological sites in Georgia, Armenia, and Turkey contain:
Early grape seeds with domesticated traits.
Pottery vessels with wine residues.
Winemaking tools and storage containers.
The work of Russian botanist Nikolai Vavilov identified Transcaucasia as the cradle of viniculture.
Genetic research has identified distinct grape families, such as:
Occidentalis (Western Europe, colder climates).
Orientalis (Central Asia, larger berries).
Pontica (Eastern Europe, moderate acidity, ideal for wine).
4. The Role of Transcaucasia in Early Viticulture
The Greater Caucasus Mountains provided ideal conditions for wild grape growth and human settlement.
Neolithic sites like Shulaveris-Gora (6000 BC, Georgia) have yielded evidence of early wine production.
Early viticulture likely spread from Transcaucasia to the Mediterranean through trade and migration.
5. Linguistic Evidence of Early Wine Culture
Many languages share a common root for "wine", suggesting early diffusion:
Latin: vinum
Greek: wo-no (Linear B)
Hittite: wijana
Hebrew: yayin
Kartvelian (Georgian): ghvino
The spread of this term supports the early movement of viniculture from Transcaucasia to the Mediterranean and Europe.
6. The Black Sea Flood Hypothesis
A competing theory, Ryan and Pitman’s Black Sea Flood Hypothesis, suggests that the Black Sea flooded catastrophically around 5600 BC, displacing populations.
This could have accelerated the spread of agriculture and viticulture, as displaced farmers carried their knowledge to new regions.
7. DNA Research and Modern Implications
DNA studies are tracing ancient grape lineages to determine whether viniculture had a single point of origin or multiple domestication sites.
The Ancient DNA Grape Project aims to extract and analyze genetic material from archaeological remains.
Modern grape varieties may still carry genetic markers of ancient domesticated vines.
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