The mid-grade . The vegetation period from germination to the technical maturity of 40 - 70 days . Kochan elongated cylindrical shape, dark green in color, average weight of 2 - 2.5 kg . To avoidpremature bolting, it should be remembered that the plant does not tolerate sudden changes in temperature, thickened crops and regular watering . The optimum temperature for the growing season of 15 - 22 C . For better performance, it is recommended to grow in the film shelters or greenhouses .