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Journals / Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi / 2012 / Cilt: 13 - Sayı: 1

Effect of thinning intensity and crown class on narrow-leaved ash (Fraxinus angustifolia Vahl.) Epicormic branching

Aralama şiddeti ve gövde sınıfının dar yapraklı dişbudakta (Fraxinus angustifolia Vahl.) Su sürgünü oluşumuna etkisi

Ali Kemal ÖZBAYRAM
Emrah ÇİÇEK
Tarık ÇİTGEZ
Faruk YILMAZ
Pages
40–48
Publication Date
2022-10-11
DOI
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AI Summary & Key Takeaways

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

Results showed that; thinning intensity, crown class (dominant and co-dominant trees) and thinning intensity x crown class interaction had no significant effect on epicormic branching after four years of growth.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Thinning has an important role in silviculture practice for quality and thick stem production.
📊
Key Findings & Data:But, epicormic branches decrease the value of the trunk or timber as a result of thinning, especially in broadleaved species.
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Conclusion & Impact:Results showed that; thinning intensity, crown class (dominant and co-dominant trees) and thinning intensity x crown class interaction had no significant effect on epicormic branching after four years of growth.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Thinning has an important role in silviculture practice for quality and thick stem production. But, epicormic branches decrease the value of the trunk or timber as a result of thinning, especially in broadleaved species. In this study, the effect of thinning intensity and crown class on epicormic branching were investigated in narrow-leaved ash (Fraxinus angustifolia) plantation, Adapazarı-Turkey. The plantation was 36 years old established at 3x2 m initial spacing (1666 trees/ha). Prior the thinning mean stand diameter, top height, basal area and stem number were 31 cm, 34 m and 32 m2/ha and 416 stem/ha, respectively. Thinning intensities were removal of basal area 0% (control), 22% (moderate) and 38% (heavy). Results showed that; thinning intensity, crown class (dominant and co-dominant trees) and thinning intensity x crown class interaction had no significant effect on epicormic branching after four years of growth. Very few (

Özet

Kalın çaplı ve kaliteli gövde üretimi bakımından aralama müdahaleleri silvikültür pratiğinde önemli bir yere sahiptir. Ancak, özellikle yapraklı türlerde, aralama müdahaleleri sonucunda gövdeler üzerinde oluşan su sürgünleri tomruk ve kerestenin değerini oldukça düşürmektedir. Bu çalışmada, aralama şiddeti ve gövde sınıfının dar yapraklı dişbudakta (Fraxinus angustifolia) su sürgünü oluşumuna etkisi araştırıldı. Çalışma, Adapazarı yöresinde bulunan ve başlangıç dikim aralığı 3x2 m (1666 fidan/ha) olan 36 yaşındaki plantasyonda gerçekleştirildi. Aralama öncesi meşcerede orta çap 31 cm, üst boy 34 m, göğüs yüzeyi 32 m2/ha ve gövde sayısı 416 adet/ha kadardı. Çalışmada göğüs yüzeyinin %0 (kontrol), %22 (mutedil) ve %38’i (kuvvetli) çıkacak şekilde üç farklı şiddette aralama uygulandı. Müdahaleden dört yıl sonra yapılan değerlendirmede; aralama şiddeti ve gövde sınıfı (galip ve müşterek galip gövdeler) ile arama şiddeti x gövde sınıfı etkileşiminin dört yıllık su sürgünü farkına etkisi önemsiz bulundu. Son hâsılatı oluşturacak galip ve müşterek galip gövdelerde çok az sayıda (

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Cite This Article

ÖZBAYRAM, A. K., ÇİÇEK, E., ÇİTGEZ, T., YILMAZ, F. (2022). Effect of thinning intensity and crown class on narrow-leaved ash (Fraxinus angustifolia Vahl.) Epicormic branching. Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi, Cilt: 13 - Sayı: 1, 40–48. https://ajindex.com/articles/450802

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