Forschungszweck: Bestandsaufnahme & Abschätzung
In the last decade minor and neglected grape varieties - recovered via prospections or from germplasm repositories - gained reputation. These varieties in situ/on-farm maintenance by winegrowers assist to broaden their genetic basis, because clonal diversity can evolve and is simultaneously preserved. Wines from these rare varieties are unique and hence niche products and provide a high added value. Marketing is connected to historical aspects of the variety and promoted by attributes like "indigenous, old, rare, neglected, forgotten, lost and recovered". An inventory of on-farm producers is intended as a framework addressed to wine growers and wine consumers at once. The information should e.g. enable the exchange of experience, facilitate access to propagation material and inform wine consumers where to find the products of rare varieties. In addition the on-farm-inventory would contribute to monitor preservation of the old and rare varieties.