Journals / Türkiye Ormancılık Dergisi / 2009 / Sayı: 1

Colonization of freshly cut discs of Abies nordmanniana ssp. bornmülleriana logs by Heterobasidion annosum s.I.

Abies nordmanniana ssp. bornmülleriana tomruklarından kesilen disklerin Heterobasidion annosum s.I. tarafından kolonizasyonu

Pages
72–82
DOI
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AI Summary & Key Takeaways

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

It was concluded that basidiospores were present in the air at the time, when wood discs were taken and they were effective to colonize freshly cut wood surface.

📌 3 Key Takeaways

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Objective & Hypothesis:Occurence of Heterobasidion annosum sensu lato conidiophores developed on 39 freshly cut discs from 21 trees of Abies nordmanniana ssp. bornmülleriana in Aladağ-Şerif Yüksel Research Forest, Bolu, was investigated.
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Key Findings & Data:Clamp formation was observed from the mycelia of H. annosum s.l. taken from 39 individual discs.
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Conclusion & Impact:It was concluded that basidiospores were present in the air at the time, when wood discs were taken and they were effective to colonize freshly cut wood surface.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:tomruk · Abies nordmanniana · kolonileşme

Abstract

Occurence of Heterobasidion annosum sensu lato conidiophores developed on 39 freshly cut discs from 21 trees of Abies nordmanniana ssp. bornmülleriana in Aladağ-Şerif Yüksel Research Forest, Bolu, was investigated. These discs were incubated under moist conditions at about room temperature for one week and then assessed for the presence of conidial stage of H. annosum, which was clearly visible under stereomicroscope. Clamp formation was observed from the mycelia of H. annosum s.l. taken from 39 individual discs. Mycelia obtained from 5 different part of the wood discs were mostly homokaryotic and the rest was heterokaryotic, 90, 97 % and 9,03 % respectively. There were no typical signs and symptoms of the disease on the discs where heterokaryotic mycelia were determined. It was concluded that basidiospores were present in the air at the time, when wood discs were taken and they were effective to colonize freshly cut wood surface.

Özet

Bu çalışmada, Bolu, Aladağ-Şerif Yüksel Araştırma Ormanı’nda yeni kesilmiş, 21 göknar (Abies nordmanniana ssp. bornmülleriana) ağacının tomruklarının farklı yüksekliklerinden alınan 39 adet diskte, Heterobasidion annosum s. l.’ a ait konidioforların varlığı araştırılmıştır. Oda sıcaklığında bir haftalık inkubasyon döneminin sonunda, her bir diskin 5 farklı noktasından alınan konidioforlardan gelişen miselyumda, kanca oluşumuna bakılmış ve bunların % 90,97’sinin homokaryotik % 9,03’ünün ise heterokaryotik karakterde olduğu tespit edilmiştir. Heterokaryotik özellikteki miselyumun elde edildiği disklerde, hastalık etmeninin ağaçta daha önceden bulunduğuna işaret eden tipik belirtilere rastlanmamıştır. Kesitlerin alındığı tarihte havada basidiospor inokulumunun var olduğu, dolayısıyla yeni kesilmiş disklerde gözlenen bulaşmanın basidiosporlar aracılığıyla gerçekleştirildiği sonucuna varıldı.

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Cite This Article

LEHTİJARVİ, H. T. D., LEHTİJARVİ, A., ADAY, A. G. (2009). Colonization of freshly cut discs of Abies nordmanniana ssp. bornmülleriana logs by Heterobasidion annosum s.I.. Türkiye Ormancılık Dergisi, Sayı: 1, 72–82. https://ajindex.com/articles/358427

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