F1 Calendar — a fast-maturing parthenocarpic zucchini hybrid of balcony type, with female or predominantly female flowering and cluster formation of fruits at nodes. Intended for cultivation in spring-summer rotation on balconies, loggias, verandas, in open and protected ground. Moderate branching. Short internodes on main stems and side shoots. Leaves small. At nodes, 2-3 to 5-6 or more fruits form; on side shoots, clustering is more pronounced than on the main stem. Fruits are oval-shaped, without stem, intensely green with medium-length longitudinal light stripes. Fruits are short, 8-10 cm long, 3.0-3.5 cm in diameter, 80-90 g in weight, with glossy surface. Medium frequency of bead formation, beads of medium size. Flavor and pickling qualities. Hybrid resistant to olive spot, common cucumber mosaic virus, powdery mildew, tolerant to false powdery mildew.
Planting density in greenhouses 2.5 plants/m2, in open ground 3-5 plants/m2.
(Registered in the State Register in 2011)
