Floricane yield and berry quality of seven primocane red raspberry (Rubus idaeus L.) cultivars

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Palonen , P , Laine , T & Mouhu , K 2021 , ' Floricane yield and berry quality of seven primocane red raspberry (Rubus idaeus L.) cultivars ' , Scientia Horticulturae , vol. 285 , 110201 . https://doi.org/10.1016/j.scienta.2021.110201

Title: Floricane yield and berry quality of seven primocane red raspberry (Rubus idaeus L.) cultivars
Author: Palonen, Pauliina; Laine, Tuomo; Mouhu, Katriina
Contributor organization: Department of Agricultural Sciences
Viikki Plant Science Centre (ViPS)
Research group of Pauliina Palonen
Plant Production Sciences
Faculty of Agriculture and Forestry
Date: 2021-07-27
Language: eng
Number of pages: 8
Belongs to series: Scientia Horticulturae
ISSN: 0304-4238
DOI: https://doi.org/10.1016/j.scienta.2021.110201
URI: http://hdl.handle.net/10138/331650
Abstract: Primocane raspberry (Rubus idaeus L.) may produce crop on the lower part of the cane during the second year of its' growth cycle, if the canes are retained over winter. We aimed to evaluate the floricane cropping potential and berry quality in seven primocane raspberry cultivars, which are too late for fall cropping in the Northern growing conditions. Long cane plants of these cultivars were produced, overwintered, and grown like floricane cultivars in a high tunnel. Harvesting floricane crop started in mid-June, and the length of the summer cropping season was between eight to 10 weeks. 'Joan J' and 'Imara' were the earliest cultivars, and 'Autumn Bliss' was the latest. Total floricane yield in most cultivars was between 1.7 to 2.0 kg/cane. 'Autumn Treasure' yielded significantly less, and 'Autumn Bliss' produced 2.5 kg berries /cane. The average berry size was 5 g, except in 'Autumn Bliss' and 'Autumn Treasure', which had smaller berries. The highest sugar content was observed in 'Kwanza' berries and the lowest in 'Polka'. High throughput phenotyping proved an effective tool for determining berry shape and color. 'Kwanza' berry color was the reddest, yellowest and lightest of all cultivars. Based on our results, growing primocane raspberry cultivars as long cane plants for production of summer crop is more reliable than growing them as fall cropping in short growing season conditions. The cultivars 'Imara' and 'Kweli' were the most promising in our experiment; they had a high yield potential and excellent berry quality.
Subject: Berry color
High throughput phenotyping
Rubus idaeus
11831 Plant biology
4111 Agronomy
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion

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