terclim by ICS banner
IVES 9 IVES Conference Series 9 OIV 9 OIV 2024 9 Short communications - Viticulture, table grapes, dried grapes and unfermented grape products 9 Sélection génétique des variétés originelles d’Arménie, berceau de la viticulture mondiale

Sélection génétique des variétés originelles d’Arménie, berceau de la viticulture mondiale

Abstract

L’Arménie, petit pays du Caucase du sud, redécouvre son passé viticole depuis la mise à jour en 2007 de vestiges archéologiques viticoles datant de 6000 ans environ. Ces vestiges comptent parmi les plus anciens dans le monde. Malgré une grande diversité de cépages, les vignerons arméniens ne disposaient pas de collections génétiques suffisamment organisées pour produire des plants et satisfaire la demande croissante de plantation.
Les premiers travaux de prospection et de mise en collection ont débuté en 2012 et la disponibilité en greffons est maintenant suffisante pour lancer les étapes de multiplication. Les plants sont multipliés francs de pied pour les zones de montagnes ou bien greffés pour les zones de plaines.
Le présent article retrace les étapes d’un projet en cours, de sélection et de multiplication des cépages oubliés arméniens. Il recense et analyse les difficultés – techniques, humaines ou éthique – rencontrées au cours de ce projet ambitieux et unique.

Genetic selection of original varieties from Armenia, birthplace of world viticulture

Armenia, a small country in the south of the Caucasus, has been rediscovering its wine-growing past since the discovery in 2007 of archaeological wine-growing remains dating back around 8,000 years. They are among the oldest in the world. Despite a great diversity of grape varieties, armenian winegrowers did not have sufficiently organized genetic collections to produce plants and satisfy the growing demand for planting. Initial prospecting and collection work began in 2012 and the availability of grafts is now sufficient to launch the multiplication stages. The plants are propagated free of vines for mountain areas or grafted for plain areas. The proposed article traces the stages of selection and multiplication of forgotten armenian grape varieties; it highlights the difficulties – technical, human or ethical – encountered throughout this incredible project.

Genetische selektion ursprünglicher sorten aus armenien, der wiege des weltweiten weinbaus

Armenien, ein kleines land im süden des Kaukasus, entdeckt seit der entdeckung archäologischer weinbaureste, die etwa 6.000 jahre zurückreichen, im jahr 2007 seine weinbauvergangenheit wieder. Sie gehören zu den ältesten der welt. Trotz der großen vielfalt an rebsorten verfügten die armenischen winzer nicht über ausreichend organisierte genetische sammlungen, um pflanzen zu produzieren und die wachsende nachfrage nach anpflanzungen zu befriedigen. Die ersten prospektions- und sammelarbeiten begannen im jahr 2012 und die verfügbarkeit von transplantaten reicht nun aus, um die vermehrungsphasen einzuleiten. Für berggebiete werden die pflanzen rebenfrei vermehrt oder für flachlandgebiete veredelt. Der vorgeschlagene artikel zeichnet die stadien der auswahl und vermehrung vergessener armenischer rebsorten nach; es verdeutlicht die schwierigkeiten – technischer, menschlicher oder ethischer art –, auf die man bei diesem unglaublichen projekt stößt.

DOI:

Publication date: November 18, 2024

Issue: OIV 2024

Type: Article

Authors

Thomas Dormegnies¹

¹ Consultant indépendant, 7 bis rue de la petite ville, La Ronde, France

Contact the author*

Tags

Full papers OIV 2024 | IVES Conference Series | OIV | OIV 2024

Citation

Related articles…

Opportunities and challenges in the adoption of new grape varieties by producers: A case study from the Northeastern United

Grape breeding for resistance to fungal diseases is today very dynamic throughout the world notably in France. New varieties are obtained by hybridization between susceptible varieties of the vitis vinifera species and resistant genotypes, with breeding programs generally lasting between 15 and 25 years and resulting in the registration of a few new varieties. Though these varieties can provide several benefits and can be planted by winegrowers, they are not always systematically adopted.

The FEM grapevine crossbreeding program for resistance to the main ampelopathies: towards climate-resilient varieties

The technique of crossing, whether free or controlled, has always been a source of variability allowing the selection of new varieties with improved fitness.

L’essor des produits “No-Low” : nouveaux défis pour l’étiquetage et la réglementation

In recent years, “no-low” products seem to become a new worldwide trend. It appears to be a possible answer to the well-known context of climate change, the decline in wine consumption, and the wellness/health trend (“free from” claims, vegan, and so on…) That consumers are looking for. The aim of this study is to provide an overview of the “no-low” products sold in the french market (but not only french products), focusing on the labelling, packaging, and sales presentation of these products.

“Gentle” sustainable extraction from whole berry by using resonance waves and slight over CO2 overpressure

The traditional methods of grape extraction of enochemical compounds use very often mechanical energy by pistons such as the pigeage or mechanical energy produced by must (delestage, pumping over). Recent trend by winemaker is trying to introduce in the fermentation tank, whole berry grape to avoid even minimal oxidation. Unfortunately, the use of the traditional mechanical techniques aforementioned, very often do not guarantee the optimal extraction with residual sugars in the marc. Use of resonance waves (airmixingtm) and a slight overpressure by CO2 (adcftm) permit to work on whole berry guaranteeing the perfect extraction.

Role of PH and its management during vinification on the extraction during maceration and on the evolution during ageing of the phenolic compounda of red wine

Climatic changes cause significant variations in the composition of grapes. for red grapes, a mismatch between phenolic and technological ripening is often observed. There is also often a marked increase in pH and a reduction in fixed acids, which affect the stability and evolution of the wine during ageing. These experiments will provide more information on the role of pH during the winemaking of red wines on the extraction and evolution of phenolic compounds.