Impact of Naturalised Vitis Rootstocks on Native Wild Grapevines in Europe
Author Information
Author(s): Arrigo Nils, Arnold Claire
Primary Institution: University of Neuchâtel, Switzerland
Hypothesis
How do naturalised rootstocks affect the genetic diversity and ecological niches of native wild grapevines in Europe?
Conclusion
Naturalised rootstocks are competing with native wild grapevines, potentially threatening their survival.
Supporting Evidence
- Naturalised rootstocks show higher genetic diversity than native wild grapevines.
- Naturalised populations are mainly located in alluvial forests.
- Hybrid swarms of rootstocks are forming due to their interconnected populations.
- Native wild grapevines are endangered due to habitat loss and competition from naturalised rootstocks.
Takeaway
This study looks at how non-native grapevines are spreading in Europe and affecting local wild grapevines, which could be in danger because of this.
Methodology
The study combined ecological and genetic approaches to analyze 24 populations of naturalised rootstocks and native wild grapevines.
Potential Biases
Potential bias due to the limited sampling of naturalised rootstock populations.
Limitations
The study focused only on populations distant from vineyards, which may not represent all ecological interactions.
Participant Demographics
The study included 124 individuals from 55 populations of both naturalised rootstocks and native wild grapevines.
Statistical Information
P-Value
0.002
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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