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Journals / Kastamonu Üniversitesi Orman Fakültesi Dergisi / 2017 / Cilt: 17 - Sayı: 4

Genetic variations among and within the populations of Calabrian pine (Pinus brutia Ten.) in Turkey

Türkiye’deki Kızılçam (Pinus brutia Ten.) Populasyonları arasında ve içindeki genetik varyasyon

OSMAN TOPAÇOĞLU
Hakan SEVİK
AHMET SIVACIOĞLU
FERHAT KARA
Pages
691–702
DOI
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AI Summary & Key Takeaways

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

Research highlights: The study suggested that high genetic variation within the population may be an occasion for the genetic improvement in breeding programs

📌 3 Key Takeaways

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Objective & Hypothesis:Aim of study: Generic variety is an important criterion for the sustainability of economically important tree species.
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Key Findings & Data:The aim of this study was to determine the differences among registered seed stands of Calabrian pine (Pinus brutia Ten.) based on some morphological traits in Turkey Material and Methods: For this purpose, seed samples from 14 registered seed stands dominated by the species were obtained from the Forest Tree Seed and Tree Breeding Research Directorate of Turkey.
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Conclusion & Impact:Research highlights: The study suggested that high genetic variation within the population may be an occasion for the genetic improvement in breeding programs
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Kızılçam · Genetik varyasyon · Heridabilite

Abstract

Aim of study: Generic variety is an important criterion for the sustainability of economically important tree species. The aim of this study was to determine the differences among registered seed stands of Calabrian pine (Pinus brutia Ten.) based on some morphological traits in Turkey Material and Methods: For this purpose, seed samples from 14 registered seed stands dominated by the species were obtained from the Forest Tree Seed and Tree Breeding Research Directorate of Turkey. Thirteen morphological traits of the seedlings including the germination percentage, survival rate, survival rate/germination percentage ratio, root-collar diameter (when seedlings were 40-45 days old), hypocotyl length, cotyledon number, cotyledon length, cotyledon width, root-collar diameter (when seedlings were 1-year old), epicotyl length, needle length, needle width, and branch number were monitored. Main results: The obtained data was analyzed using the Cluster and Penrose analysis. The Cluster and Penrose analysis showed that there were significant differences among and within the Pinus brutia seed stands in terms of the morphologic characteristics. Genetic variances among the populations were much lower than those within the populations. Research highlights: The study suggested that high genetic variation within the population may be an occasion for the genetic improvement in breeding programs

Özet

Çalışmanın amacı: Genetik varyasyon, ekonomik açıdan önemli ağaç türlerinin sürdürülebilirliği için önemli bir kriterdir. Bu çalışmada, Türkiye’deki Kızılçam (Pinus brutia Ten.) tohum meşcerelerinde bazı morfolojik özelliklere bağlı olarak genetik farklılıkların belirlenmesi amaçlanmıştır. Materyal ve Yöntem: Bunun için; tohum örnekleri Orman Ağaçları ve Tohumları Islah Araştırma Entitüsü Müdürlüğünde kayıtlı 14 adet kızılçam tohum meşcerelerinden elde edilen tohumlar ile gerçekleştirilmiştir. Fideciklerden elde edilen13 morfolojik özellikte ( çimlenme yüzdesi,yaşama yüzdesi, yaşama yüzdesi/ çimlenme oranı, kökboğazı çapı (40-45 günlük fideciklerde), hipokotil uzunluğu, kotiledon sayısı ,kotilodon uzunluğu, kotilodon cotyledon genişliği, kök boğazı çapı (1- yaşlı fideciklerde), epikotil uzunluğu, ibre uzunluğu, ibre genişliği ve dal sayısı) ölçüm yapılmıştır. Sonuçlar: Elde edilen veriler Cluster ve Penrose istatistiki analizlerle test edilmiştir. Analizlerde Kızılçam tohum meşcerelerinde ve meşcere arasında morfolojik özellikler bakımından önemli farklılıkların bulunduğu görülmektedir. Genetik farklılıkların popülasyonlar arasında, popülasyonlar içindeki farklılıklardan daha az olduğu tespit edilmiştir. Araştırma vurguları: Bu çalışma popülasyonlar içindeki yüksek genetik varyasyonun ıslah programlarında genetik kazanç için bir fırsat olabileceğini göstermektedir

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Cite This Article

TOPAÇOĞLU, O., SEVİK, H., SIVACIOĞLU, A., KARA, F. (2017). Genetic variations among and within the populations of Calabrian pine (Pinus brutia Ten.) in Turkey. Kastamonu Üniversitesi Orman Fakültesi Dergisi, Cilt: 17 - Sayı: 4, 691–702. https://ajindex.com/articles/192954

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