Fruiting analysis of dog rose varieties in the Mari El Republic

The study results of 7 dog rose varieties in the Botanical garden-Institute of VSUT in 2018 are presented. The fruit weight varied from 0.8 to 2.4 g, diameter - from 10.3 to 15.3 mm, length - from 17.2 to 25.8 mm, the yield of air-dried fruits - from 26.2 to 37.2%. 'Vorontsovsky 3' was characterized by small fruits, 'Bagryany', 'Kapitan', 'Rumyany', 'Rukh', 'Khiromant', 'Shpil' - large ones. Heavier fruits corresponded to higher values of the yield of air-dried fruits and their amount in the infructescence.