Journals / Mediterranean Agricultural Sciences / 2020 / Cilt: 33 - Sayı: 1

Effect of pre-sowing treatments on germination characteristics of Celtis australis genotypes native to Mediterranean Region

Akdeniz Bölgesi doğal Celtis australis genotiplerinin çimlenme özelliklerine ekim öncesi uygulamaların etkileri

Pages
59–66
Publication Date
2020-04-01
DOI
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AI Summary & Key Takeaways

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

Results were considered as verification of physiological dormancy in seeds of C. australis genotypes native to Mediterranean.

📌 3 Key Takeaways

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Objective & Hypothesis:In recent years, the demands for the use of native plant species in planting design have increased.
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Key Findings & Data:In the first experiment, the effects of genotype and storage time (0, 15, 30, 45 and 60 days) at room temperatures on germination characteristics of the seeds with or without fleshy pericarp tissues were determined.
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Conclusion & Impact:Results were considered as verification of physiological dormancy in seeds of C. australis genotypes native to Mediterranean.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Celtis australis · Genotip · Tohum özelliği

Abstract

In recent years, the demands for the use of native plant species in planting design have increased. Celtis australis L. is one of the species with high potential for use planting design in Mediterranean. This study was carried out to determine the effect of pre-sowing treatments on germination of C. australis genotypes native to Serik district of Antalya and two experiments were conducted on the seeds harvested from five genotypes. In the first experiment, the effects of genotype and storage time (0, 15, 30, 45 and 60 days) at room temperatures on germination characteristics of the seeds with or without fleshy pericarp tissues were determined. In the second experiment, the effects of stratification time (0, 60 and 90 days at + 4°C) and germination-test medium (peat and paper towel) on germination characteristics of genotypes were investigated. Results from first experiment indicated that there was no germination in any of treatment used in the experiment. The results of the second experiment revealed that stratification time, genotype and germination-test medium, and interactions resulted in significant differences in germination characteristics of C. australis. Germination rates increased with increasing stratification time and differed according to genotypes, and the most adequate germination characteristics were recorded in peat germination-test medium. The highest germination rate (74.66%) was recorded for the seeds of GT5 genotype which were stratified for 90 days at +4°C and germinated in peat germination-test medium. Results were considered as verification of physiological dormancy in seeds of C. australis genotypes native to Mediterranean.

Özet

Son yıllarda bitkisel peyzaj tasarımında doğal bitki türlerinin kullanımına yönelik talepler artmıştır. Celtis australis L. Akdeniz Bölgesi kıyı kesiminde bitkisel tasarım amaçlı kullanım potansiyeli yüksek olan ağaç türlerinden biridir. Bu çalışma Antalya’nın Serik ilçesinde bulunan C. australis genotiplerinin çimlenmesine ekim öncesi işlemlerin etkisinin belirlenmesi amacıyla gerçekleştirilmiştir. Bu amaçla beş genotipten alınan tohumlar üzerinde iki deneme yürütülmüştür. Birinci denemede meyve eti uzaklaştırılmış ve uzaklaştırılmamış tohumların çimlenme özelliklerine genotip ve oda sıcaklığında muhafaza sürelerinin (0, 15, 30, 45 ve 60 gün) etkisi incelenmiştir. İkinci denemede ise genotiplerin çimlenme özelliklerine ıslak katlama (stratifikasyon) süresi (+4°C’de 0, 60 ve 90 gün) ve çimlenme-testi ortamının (torf ve kağıt havlu) etkileri araştırılmıştır. Sonuçlar, birinci denemedeki hiçbir uygulama etkisinde çimlenmenin gerçekleşmediğini göstermiştir. İkinci deneme ile ilgili sonuçlar ise katlama süresi, genotip ve çimlenme-testi ortamı ile interaksiyon etkilerinin çimlenme özelliklerinde istatistiksel anlamda önemli farklılıklarla sonuçlandığını ortaya koymuştur. Katlama süresinin artışıyla çimlenme oranları artmış, bu oranlar genotiplere göre farklılık göstermiş ve en uygun çimlenme özellik değerleri torf çimlenme-testi ortamında kaydedilmiştir. En yüksek çimlenme oranı (%74.66), 90 gün süreyle +4°C’de katlamaya alınan ve torf çimlenme-testi ortamında çimlendirilen GT5 genotipine ait tohumlardan elde edilmiştir. Bu sonuçlar Akdeniz kıyı kesimi C. australis genotipleri tohumlarında fizyolojik dormansinin kanıtı olarak değerlendirilmiştir.

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Cite This Article

DURAK, A., KARAGÜZEL, O. (2020). Effect of pre-sowing treatments on germination characteristics of Celtis australis genotypes native to Mediterranean Region. Mediterranean Agricultural Sciences, Cilt: 33 - Sayı: 1, 59–66. https://ajindex.com/articles/122948

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