TY  - JOUR
T1  - Pixy Erik Klon Anacının Mikro Çoğaltımında Destek Sistemli Sıvı Besin Ortamının Sürgün Çoğaltma Aşamasında Performansı
TT  - Performance of Liquid Nutrient Medium with Support System in Micropropagation of Pixy Plum Clone Rootstock in Shoot Proliferation Stage
AU  - Dumanoğlu, Hatice
AU  - Ölmez, Alper
AU  - Polat, Gülüstan
PY  - 2025
DA  - June
Y2  - 2025
DO  - 10.29278/azd.1645026
JF  - Akademik Ziraat Dergisi
PB  - Ordu Üniversitesi
WT  - DergiPark
SN  - 2147-6403
SP  - 13
EP  - 22
VL  - 14
IS  - 1
LA  - tr
AB  - Amaç: Bu çalışmanın amacı, Pixy erik klon anacının (P. insititia L.) mikro çoğaltımında sürgün çoğaltma aşamasında destek sistemli sıvı besin ortamının, farklı BAP (6-benzil amino pürin) dozları ile birlikte sürgün canlılığı, çoğaltımı ve kalitesi üzerine etkilerinin araştırılmasıdır.Materyal ve Yöntem: Bitkisel materyal olarak alt kültürlerden sağlanan mikro sürgünler kullanılmıştır. Modifiye edilmiş Murashige ve Skoog (MS) besin ortamına 0.01 mg L-1 IBA (indol-3-bütirik asit) ve 0.1 mg L-1 GA3 (gibberellik asit) ile birlikte BAP’ın 0.5 mg L-1 veya 1.0 mg L-1 dozları, 30 g L-1 sakaroz ilave edilmiştir. Yarı katı besin ortamı 0.65 g L-1 agar ile katılaştırılmıştır. Sıvı besin ortamında destek sistemi olarak filtre kâğıdı kullanılmıştır. Kültürler 251 oC sıcaklık ve 16 saat aydınlık (35 µmol m-2 s-1) koşullarda tutulmuştur. Dördüncü haftanın sonunda sürgünlerde canlılık oranı, canlı kalan kültürlerde sürgün çoğalma oranı, sürgün sayısı, uzunluğu, kalınlık düzeyi (1-3) ve yaprak sayısı belirlenmiştir.Araştırma Bulguları: Sürgünlerde canlılık oranı BAP dozlarının ortalaması olarak sıvı ortamda (%100.0), yarı katı ortama (%66.7) göre ve canlı kalan kültürlerde çoğalma oranı yarı katı ortamda (%91.7), sıvı ortama (%73.6) göre istatistiksel anlamda önemli düzeyde daha yüksek bulunmuştur. Tüm uygulamaların ortalaması olarak sürgün sayısı 2.8±0.3 ve yaprak sayısı ise 8.0±0.6 adet/eksplant, sürgün kalınlık düzeyi 2.0±0.1 olarak belirlenmiştir. Ortalama sürgün uzunluğu, yarı katı ortamda (10.1±3.1 mm), sıvı ortamdan (8.0±2.5 mm) daha yüksek bulunmuştur.Sonuç: Sıvı ortamda eksplantların canlılık oranı yarı katı ortama göre %33.3 daha yüksek bulunmuştur. Bu durum dikkate alınarak canlılık yüzdesine göre hesaplanan sürgün çoğalma oranı sıvı ortamda (%73.6), yarı katı ortamdan (%61.2) %12.4 daha yüksek gerçekleşmiştir. Her iki ortam tipinde de sürgünler genellikle benzer sayıda ve kalitede üretilmiştir. Ortam tiplerinin ortalaması olarak BAP’ın 0.5 mg L-1 dozu (%88.5), 1.0 mg L-1 dozuna (%72.9) göre sürgün çoğaltım oranını artırmıştır.
KW  - Prunus insititia
KW  - in vitro
KW  - 6-benzil amino pürin
KW  - yarı katı ortam
N2  - Objective: The aim of this study was to investigate the effects of liquid nutrient medium with support system, together with different BAP (6-benzylaminopurine) doses, on shoot survival, multiplication and quality during the shoot proliferation stage in micropropagation of Pixy plum clone rootstock (P. insititia L.).Material and Methods: Micro shoots obtained from subcultures were used as plant material. Modified Murashige and Skoog (MS) nutrient medium containing 0.01 mg L-1 IBA (indole-3-butyric acid) and 0.1 mg L-1 GA3 (gibberellic acid), 0.5 mg L-1 or 1.0 mg L-1 doses of BAP and 30 g L-1 sucrose were added. Semi-solid nutrient medium was solidified with 0.65 g L-1 agar. Filter paper was used as a support system in liquid nutrient medium. Cultures were kept at 25±1 °C and 16 h light (35 µmol m-2 s-1) conditions. At the end of the fourth week, shoot survival percentage and shoot proliferation percentage, shoot number, length, thickness level (1-3) and leaf number in surviving cultures were determined.Results: As an average of BAP doses, shoot survival percentage was found to be significantly higher in liquid medium (%100.0) than in semi-solid medium (%66.7), whereas the proliferation percentage in surviving cultures was statistically significantly higher in semi-solid medium (%91.7) than in liquid medium (%73.6). As an average of all treatments, shoot number and leaf number were determined as 2.8±0.3 and 8.0±0.6 per explant, respectively, and shoot thickness level was 2.0±0.1. The average shoot length was found to be higher in semi-solid medium (10.1±3.1 mm) than in liquid medium (8.0±2.5 mm).Conclusion: The survival percentage of explants in liquid medium was found to be 33.3% higher than in semi-solid medium. In this case, the shoot proliferation percentage calculated according to the survival percentage was 12.4% higher in liquid medium (73.6%) than in semi-solid medium (61.2%). Shoots were generally produced in similar numbers and quality in both media types. As an average of media types, 0.5 mg/L dose of BAP (88.5%) increased the shoot proliferation percentage compared to 1.0 mg/L (72.9%).
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UR  - https://doi.org/10.29278/azd.1645026
L1  - https://dergipark.org.tr/tr/download/article-file/4632629
ER  -