Research Article

The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica oleracea f. rubra)

Number: Advanced Online Publication Early Pub Date: September 20, 2026
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The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica oleracea f. rubra)

Abstract

This study was conducted under field conditions in Canakkale Province, Türkiye, during the 2021–2022 growing seasons and investigated the effects of different irrigation levels on the yield, quality, and biochemical properties of red cabbage (Brassica oleracea f. rubra). Four irrigation regimes were applied: 100% (I1.0: full irrigation), 70% (I0.7: mild stress), 30% (I0.3: severe stress), and 0% (I0.0: rainfed only). Morphological, physiological, and biochemical responses of plants to water stress were examined, with particular emphasis on the accumulation of flavonoids, anthocyanins, and phenolic compounds to evaluate adaptive capacity and nutritional quality. The data showed that yield decreased significantly as water deficit increased. The highest yields were obtained under full irrigation, with 1514.2 g plant⁻¹ in 2021 and 1252.6 g plant⁻¹ in 2022, demonstrating the positive effect of adequate water supply on productivity. The lowest yields were recorded under non-irrigated (rainfed) conditions. In contrast to yield trends, water restriction increased the accumulation of bioactive compounds. As irrigation decreased, flavonoid, phenolic, and anthocyanin contents as well as antioxidant activity (measured by DPPH and CUPRAC assays) increased significantly. The highest anthocyanin content (1.31 mg g⁻¹) and antioxidant activity were found under severe stress in the second experimental year. These findings indicate that water stress negatively affects yield but strongly stimulates secondary metabolite synthesis, thereby enhancing the nutritional and functional quality of the crop. Therefore, controlled or moderate water stress can be strategically used as a sustainable agricultural practice to improve the biochemical quality of red cabbage, particularly in water-limited farming systems. The results highlight the importance of effective irrigation management and adaptive strategies to sustain crop yield and quality under future climate change scenarios.

Keywords

Supporting Institution

Çanakkale Onsekiz Mart University Research Project

Project Number

FBA-2021-3687

Thanks

This work supported supported by the Çanakkale Onsekiz Mart University Research Project (Project FBA-2021-3687), Turkey

References

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Details

Primary Language

English

Subjects

Biosystem

Journal Section

Research Article

Early Pub Date

September 20, 2026

Publication Date

-

Submission Date

December 1, 2025

Acceptance Date

April 29, 2026

Published in Issue

Year 2026 Number: Advanced Online Publication

APA
Erken, O., Yıldırım, M., & Mucan, U. (2026). The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica oleracea f. rubra). Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, Advanced Online Publication, 105-114. https://doi.org/10.18016/ksutarimdoga.vi.1833781
AMA
1.Erken O, Yıldırım M, Mucan U. The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica oleracea f. rubra). KSU J. Agric Nat. 2026;(Advanced Online Publication):105-114. doi:10.18016/ksutarimdoga.vi.1833781
Chicago
Erken, Okan, Murat Yıldırım, and Umut Mucan. 2026. “The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica Oleracea F. Rubra)”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, no. Advanced Online Publication: 105-14. https://doi.org/10.18016/ksutarimdoga.vi.1833781.
EndNote
Erken O, Yıldırım M, Mucan U (September 1, 2026) The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica oleracea f. rubra). Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi Advanced Online Publication 105–114.
IEEE
[1]O. Erken, M. Yıldırım, and U. Mucan, “The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica oleracea f. rubra)”, KSU J. Agric Nat., no. Advanced Online Publication, pp. 105–114, Sept. 2026, doi: 10.18016/ksutarimdoga.vi.1833781.
ISNAD
Erken, Okan - Yıldırım, Murat - Mucan, Umut. “The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica Oleracea F. Rubra)”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi. Advanced Online Publication (September 1, 2026): 105-114. https://doi.org/10.18016/ksutarimdoga.vi.1833781.
JAMA
1.Erken O, Yıldırım M, Mucan U. The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica oleracea f. rubra). KSU J. Agric Nat. 2026;:105–114.
MLA
Erken, Okan, et al. “The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica Oleracea F. Rubra)”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, no. Advanced Online Publication, Sept. 2026, pp. 105-14, doi:10.18016/ksutarimdoga.vi.1833781.
Vancouver
1.Okan Erken, Murat Yıldırım, Umut Mucan. The Effect of Different Water Levels on Yield, Quality, and Biochemical Properties of Red Cabbage (Brassica oleracea f. rubra). KSU J. Agric Nat. 2026 Sep. 1;(Advanced Online Publication):105-14. doi:10.18016/ksutarimdoga.vi.1833781


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