title: Rare autochthonous Don grape varieties Vitis vinifera L. orientalis Negr
abstract: Abstract. Preservation of the gene pool of grapes in ampelographic collections is of great importance and is currently relevant. Most of the autochthonous and rare varieties have been preserved only due to their presence in collections. The article presents the results of a long-term study of rare Don autochthonous grape varieties (eastern eco-geographical group) with colored berries. The object of study is 5 grape varieties: Bruskovatenkiy, Krestovskiy, Svetlolistnyi, Silnyak, Slitnoy and the c
journal: Fruit growing and viticulture of South Russia