Wine grapes are grown in several locations in Arkansas. At least 720 acres of wine grape cultivars are planted in the Franklin county area. The Washington-Benton county area has about 300 acres of wine type grapes. In addition some quantities of the production from acreage of Niagara and Concord juice grapes in Washington and Benton counties are utilized for wine. To provide reference points fo...

embryogenic callus initiation from anther and whole flower explants in four grapevine cultivars including flame seedless, shahroodi, perlette and red sultanina cultured on piv and harst nutrient media was studied. results showed that whole flower explants of ‘flame seedless’ cultured on piv medium had the most potential for callus production. later callus were transferred onto ges1ca medium for...

Polyploidization can provide changes in vital features such as growth, development, environmental stress tolerance plants. Colchicine is one of the most commonly used chemicals a polyploidization agent. In this study, 2-year-old ‘Ekşi Kara’, ‘Gök Üzüm’ and ‘Trakya İlkeren’ (2x, Vitis vinifera L.) saplings grown on their own roots were used. When enforced shoots reached about 15 cm length, colch...

Grapes are significant sources of nutritional antioxidants as well as biologically active dietary components. This study was carried out to determine the amount of total phenols, anthocyanins and antioxidant activity of 35 grapevine (Vitis vinifera L.) cultivars grown in Fars province (Iran). Ripened bunches were randomly harvested from grapevine collection in Zarghan (Fars province, Iran) Agri...