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Wild grapevine Vitis vinifera ssp. sylvestris species are endangered in their natural habitats by modern landscape use and thus there is need of further collection and preservation of these species in ex situ collections or the preservation in situ. In this study 34 wild Vitis vinifera ssp. sylvestris accessions from the Upper Rhine Valley including a defined subpopulation are described and compared...
This project studied the genetic variation of the periclinal grape chimera Pinot Meunier, its natural occurring mutations (loss of trichomes on leaf surfaces) and the German Pinot noir clone Samtrot. Eleven Pinot Meunier clones of French, Italian and foremost German origin, Pinot Meunier mutations of differing ages and with various dispersions of hairless sectors as bud-, shoot- and complete vine...
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