These polygenic varieties are called “ResDur”. Three series of crosses were performed, giving rise to the varieties ResDur 1, 2 and 3, as shown in the diagram below. Given the technical and regulatory constraints, it actually takes fifteen years to breed a variety: three years of early breeding, followed by six years of intermediate ...

called INRA-ResDur was launched in 2000 to create cultivars with durable resistance to downy and powdery mildews and with berry quality suitable for the production of high-quality wines.

2023年3月3日 · Faisant suite aux 4 variétés ResDur 1, Artaban, Vidoc, Floreal et Voltis, inscrites au Catalogue et classées en 2018, ce sont 5 nouvelles variétés résistantes, issues du programme Resdur (RESistance DURable), qui viennent d’être inscrites au Catalogue national officiel des variétés de vigne.

2018年8月2日 · The Inra-ResDur breeding program aims at creating varieties with durable resistance to downy and powdery mildew, and the pyramiding strategy employed to limit the risk of resistance breakdown is described. The current strategy to control grapevine downy and powdery mildew relies on chemical treatments.

2018年2月17日 · Ces variétés issues du programme INRA ResDur 1 représentent une avancée considérable pour l’innovation variétale vigne, en proposant un matériel résistant aux maladies fongiques que sont le mildiou et l’oïdium, tout en apportant de très bonnes qualités organoleptiques. Retrouvez les fiches descriptives pour chacune de ces variétés :

2019年11月11日 · The ResDur project was started in 2000 by France’s National Institute for Agricultural Research (INRA), with the specific goal of creating new wine grape varieties that would be resistant to fungal diseases—in particular, downy and powdery mildew.

The Inra - ResDur breeding prSograVm Q V § Resistance genes are a limited resource § Resistance gene breakdowns have already been observed § A breeding program is a long - term and costly process § The question of the management of resistance durability is crucial, particularly, in the case of a perennial species Durable management of ...

The most promising option to reduce the need for fungicides in viticulture is the use of resistant cultivars. This is why a new breeding programme called INRA-ResDur was launched in 2000 to create cultivars with durable resistance to downy and powdery mildews and with berry quality suitable for the production of high-quality wines.

2019年8月1日 · Four of the "ResDur" grapevine varieties (Artaban, Vidoc, Floreal and Voltis), combining resistance genes, were registered in 2018, and a series of 20 additional varieties will be released by...

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