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Journals / Türk Tarım ve Doğa Bilimleri Dergisi / 2026 / Volume: 13 Issue: 4

Effects of High IBA Concentrations on Rooting and Root Development in Semi-Hardwood Black Mulberry (Morus nigra L.) Cuttings

Mesut Ada(ÇUKUROVA ÜNİVERSİTESİ, ZİRAAT FAKÜLTESİ, BAHÇE BİTKİLERİ BÖLÜMÜ)0000-0003-1495-9311
Ayşegül Burğut(CUKUROVA UNIVERSITY)0000-0001-5708-9227
Pages
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Publication Date
2026-10-19
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

These findings indicate a trade-off between rooting success and root development under the tested conditions.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Black mulberry (Morus nigra L.) is a small fruit species of high economic value, but its propagation by stem cuttings is often limited by low and inconsistent rooting performance.
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Key Findings & Data:This study evaluated the effects of two high concentrations of indole-3-butyric acid (IBA) on rooting performance and root development of semi-hardwood black mulberry cuttings under greenhouse conditions.
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Conclusion & Impact:These findings indicate a trade-off between rooting success and root development under the tested conditions.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:adventitious rooting · auxin · indole-3-butyric acid

Abstract

Black mulberry (Morus nigra L.) is a small fruit species of high economic value, but its propagation by stem cuttings is often limited by low and inconsistent rooting performance. This study evaluated the effects of two high concentrations of indole-3-butyric acid (IBA) on rooting performance and root development of semi-hardwood black mulberry cuttings under greenhouse conditions. Cuttings collected from an 11-year-old mother plant were treated with 0 (control), 6000, or 7500 ppm IBA and rooted in perlite under mist propagation conditions. The experiment was conducted in a completely randomized design with four replications, each consisting of 12 cuttings per treatment. Survival rate, callus formation, rooting percentage, root number, root length, root branching, and root diameter were evaluated. Significant treatment effects were detected for all parameters except root diameter (p ≤ 0.05). The control showed the highest survival rate (80.08%), callus formation rate (31.24%), and rooting percentage (39.58%). In contrast, 7500 ppm IBA produced the highest root number (5.21 roots cutting⁻¹), root length (17.37 cm), and root branching rate (90.62%), although its rooting percentage (29.16%) was lower than that of the control. These findings indicate a trade-off between rooting success and root development under the tested conditions.

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Cite This Article

Ada, M., Burğut, A. (2026). Effects of High IBA Concentrations on Rooting and Root Development in Semi-Hardwood Black Mulberry (Morus nigra L.) Cuttings. Türk Tarım ve Doğa Bilimleri Dergisi, Volume: 13 Issue: 4. https://doi.org/10.30910/turkjans.1984572

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