john viola
Vitis vinifera L.
VigneDescription de l'arbre
Very productive with three clusters per shoot being common. Vigor is good without being excessive. Train it to cordons with spurs. Professor Meader said it had survived -25 F, the coldest temperature he had seen at the area where it was found. It is probably hardy to lower temperatures. Ripens at least four to five weeks before Concord.
Description du fruit
The small berries are deep blue, seeded, and come in cylindrical clusters.
Maladies, parasites et ravageurs
Good general disease resistance.
Avantages
but it makes intensely colored juice and may have use in wine or breeding.
Inconvénients
Not exceptional as a table grape,
Origine de la variété (obtenteur, origine géographique pour les variétés locales...)
A chance seedling found near Rochester, New Hampshire in the 1970's. Named by Professor Elwyn Meader for the man on whose property the grape was found. The grape appears to have both labrusca and riparia in it's background.
Complément d'informations
