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France accelerates its programme to produce resistant plants.
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France accelerates its programme to produce resistant plants.

At the nurserymen's congress held in the autumn, FranceAgriMer gave an update on the production of resistant plants, announcing the acceleration of their production.

In 2019, French nurseries will have planted 2.4 million resistant vine plants according to FraceAgriMer. This is a 300% increase compared to the 750,000 plants planted in 2018. For the wood and seedling sector, "the category of resistant varieties is starting with the introductions to the classification over the last two years" noted Denis Bonsignour, project manager at FranceAgriMer, at the congress of the French Federation of Wine Nurseries (FFPV) on 30 October in Cognac. According to the Institut Français de la Vigne et du Vin (IFV), 78 % of resistant grape varieties produced in France are varieties obtained from the Institut National de la Recherche Agronomique (INRA) : the four varieties of the first generation Resistance Durable (ResDur1). These are Artaban, Floréal, Vidocq and Voltis. With a grafting success rate of 50%, 1 million plants of ResDur1 will be available next year. If about 50 hectares of resistant vines were planted in 2019, there would be at least 200 hectares potential in 2020.

"Development curve"

"Last year, [French] production of resistant varieties met 50% of demand. In 2020 we should reach almost 100% with standard and certified material" explains Giovanni Varelli, who has been leading the national distribution of seedlings for FFPV in 2019 (French resistant seedlings being marketed under the Entav-Inra brand). "The first four polygenic varieties registered and classified in the catalogue are well established. We are now on a development curve that will be very strong," says Jean-Pierre Van Ruyskensvelde, the IFV's managing director. He praises the responsiveness of the French nursery to meet demand "by offering basic material that will enable us to develop the offer of certified material". This is confirmed by David Amblevert, the president of the FFPV: "in 2020, certified equipment will be on the rise. There is every reason to believe that 3 million ResDur will be implemented in the certified category".

ResDur2

The diversification of INRA's range of resistant grape varieties should be consolidated with the arrival of 7 Resdur2. Which will be proposed for temporary classification at the end of the year. "These grape varieties are going to increase in power, and the question of Non-Treatment Zones (NTZ) could be an accelerator for their deployment as varieties for adaptation in so-called sensitive areas" concludes Jean-Pierre Van Ruyskensvelde.

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