Comparison of modern raspberry varieties long cane

Abstract

Relevance. Modern raspberry varieties (Rubus idaeus L.) have great potential for cultivation using Long Cane technology.Methods. The study compared raspberry varieties Ovation, Wengi, and Vajolet. Seedlings were obtained from root cuttings, then grown from April 2021 to July 2022 for the summer harvest and from April 2022 to October 2022 for the fall harvest.Results. It has been established that varietal characteristics and the fruiting period significantly affect the indicators. The largest fruits are in the Wengi variety (length 25.5 mm, diameter 24.3 mm, weight 7.2 g), the smallest are in the Ovation variety (length 22.2 mm, diameter 22.5 mm, weight 4.9 g). When observing varieties at different ripening periods, it was found that the fruit length (27.3 mm) and fruit weight (8.3 mm) during the summer fruiting period are maximum in the Wengi variety, and minimum in the Vajolet variety. The amount of sugar ranges from 11 to 13°Bx, the percentage of ripe fruits from 84.5 to 94.5. The difference between the Wengi and Ovation varieties in terms of vegetative characteristics at different growing periods has been reliably proven. During the summer fruiting period, the yield per shoot for Wengi was 2615 g, for Vajolet – 485 g. The Wengi variety was distinguished by its maximum length (27.3 mm) and fruit weight (8.3 g). Based on all the indicators, the most promising varieties for summer fruiting are Wengi and Vajolet, and for autumn fruiting – Ovation.