Dvorona - sort of cabbage kohlrabi company"Moravosid" zoned by the Russian Federation for the cultivation in greenhouses in autumn-winter circulation . Period to technical maturity of 70 - 75 days . Socket semi-erect, a diameter of 40 - 45 cm . Stem fruit -7 - 8 cm, whitish -Green color flat-topped, weighing 1.5 - 1.8 kg . good taste . The plant can not withstand frost and does not tolerate drought. Yields of 2 - 2.5 kg / m .