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Support trees and shrubs for the Eurasian wild grapevine in Southern Caucasus. 

Annals of Agrarian Science

Ocete, R., Rivera, D., Maghradze, D., Salimov, V., Melyan, G., Musayev, M., ... & Obón, C.

2018

Annals of Agrarian Science

16(4)

427-431

A prospecting of habitats and mechanical support host species for the climber Eurasian wild grapevine, Vitisvinifera L. subsp. sylvestris (Gmelin) Hegi, was carried out on 13 natural populations situated along river bank forests, floodplains and colluvial positions in Georgia (Marneuli, Mtskheta and Gori districts, Gardabani Protected area and Lagodekhi Reserve), Armenia (Akhtala and Tavoush regions) and Azerbaijan (Quba region) during survey of 2013. The research demonstrated that Eurasian wild grapevine (Vitis vinifera subsp. sylvestris) is found in Southern Caucasus in a wide variety of habitats always linked to water availability. Punica granatum trees are the commonest mechanical support for wild grapevine in the South Caucasus and Hedera helix often shares the same support trees. However we documented wild grapevines climbing on other 24 different species of trees and large shrubs and, further, 32 associated species. We determined, four different clusters of localities using Structure software and the Weighted Neighbor Joining tree. These clusters are characterized by specific mechanical support and accompanying species. Other vines competing for host with Eurasian wild grapevine belong to the genera Clematis, Hedera, Humulus, Smilaxand Vitis ssp.

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Support

The Liana Ecology Project is supported by Marquette University and funded in part by the National Science Foundation.