||Rotburger, Zweigeltrebe e Blauer Zweigelt.
||Medium - early
||High. Average yield q.li/ha of grapes 96.
||Austria, Italy is an authorized variety for the province of Bolzano.
||Zweigelt is a red wine grape variety developed in 1922, at the Federal Institute for Viticulture and Pomology at Klosterneuburg, Austria, by Fritz Zweigelt. It was a crossing of St. Laurent and Blaufränkisch. It 's the most widely planted red grape variety in Austria.
||Leaf: medium, trilobata.
Bunch: medium, conical.
Acino: medium-large size, ovoid shape, with consistent skin and blue-black color.
||The wine obtained from the zweigelt vine is ruby red, intense. On the palate it is sapid, fruity, tannic.
||Resistance to biotic and abiotic adversities: not sensitive to ozone and mildew; Little to moderately sensitive to botrytis. Variety characterized by a high resistance to winter frosts.