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Turkish Journal of Agriculture and Forestry

Abstract

This study investigated the effect of reduced nitrogen (N) fertilizer dosage on the vegetative and generative potential, physical and chemical characteristics, and fruit yield of raspberry (Rubus idaeus L.). Two raspberry cultivars (Willamette and Meeker) were treated with low and high doses of calcium ammonium nitrate and urea over 3 consecutive years (2021–2023) in Western Serbia. Basic floricane traits and fruit quality parameters were analyzed using widely accepted methodologies. The results showed significant variations in primocane growth, floricane traits, and berry quality in response to different N fertilizer doses, whereas soluble solid content (SSC) was more stable. Lower N fertilizer doses significantly improved primocane properties, productivity, berry weight and dimensions, elongation index, titratable acidity, pH of fruit juice, sugar content, total phenols, and anthocyanins. Environmental conditions in 2021 primarily enhanced productivity and physical fruit properties, while in 2022, they improved the chemical properties of the fruit. In 2023, conditions positively influenced primocane characteristics. This research provides valuable insights into the physiological responses of raspberries to reduced N fertilizer doses, providing a sustainable approach to enhancing both the nutritional value of the fruit and the overall efficiency of raspberry production.

Author ORCID Identifier

ALEKSANDAR LEPOSAVIĆ: 0000-0003-4832-4760

ŽAKLINA KARAKLAJIĆ-STAJIĆ: 0000-0001-6541-6339

SEZAİ ERCİŞLİ: 0000-0001-5006-5687

DARKO JEVREMOVIĆ: 0000-0002-2983-9198

IVANA GLIŠIĆ: 0000-0001-7099-0327

BRANKO POPOVIĆ: 0000-0002-6601-4101

OLGA MITROVIĆ: 0000-0002-3604-8108

DOI

10.55730/1300-011X.3310

Keywords

Raspberry, nitrogen, fertilization, canes, fruit quality, yield

First Page

862

Last Page

874

Publisher

The Scientific and Technological Research Council of Türkiye (TÜBİTAK)

Creative Commons License

Creative Commons Attribution 4.0 International License
This work is licensed under a Creative Commons Attribution 4.0 International License.

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