Journals / İstanbul Üniversitesi Orman Fakültesi Dergisi / 2009 / Cilt: 59 - Sayı: 2

Türkiye’de Sarıçam (Pinus sylvestris), Anadolu Karaçamı (Pinus nigra subsp. pallasiana) ve Kızılçamda (Pinus brutia) tohum verimi Araştırmaları

Seed crop Investigations of Pinus sylvestris, Pinus nigra subsp. pallasiana and Pinus brutia in Turkey

Pages
10–31
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

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

In general, empty seed percentages were positively correlated with poor site classes, poor seed years, very old stands, and higher elevations.

📌 3 Key Takeaways

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Objective & Hypothesis:This article describes the quantity and quality of seed yields, their annual variations, and periodic dispersal within the year for populations of different site classes, age categories, and elevations together with the effects of silvicultural treatments in Pinus sylvestris, Pinus nigra subsp. pallasiana, and Pinus brutia in Turkey.
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Key Findings & Data:The results revealed that seed yield was higher in good site classes.
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Conclusion & Impact:In general, empty seed percentages were positively correlated with poor site classes, poor seed years, very old stands, and higher elevations.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

This article describes the quantity and quality of seed yields, their annual variations, and periodic dispersal within the year for populations of different site classes, age categories, and elevations together with the effects of silvicultural treatments in Pinus sylvestris, Pinus nigra subsp. pallasiana, and Pinus brutia in Turkey. Seed crop per unit area (square meter) was measured at sample plots which were chosen from even-aged, pure pine stands with a normal, even-aged structure by using pyramid-shaped metal seed traps mounted on a wooden or metal frame. The results revealed that seed yield was higher in good site classes. In general, annual fluctations of seed crops were in the same direction during each year in all sample plots for a given species. Populations of middle age of each tree species generally produce more seeds for the same site classes and elevation zones. The pine species with lighter seed weights produced greater seed yields (numbers). Seed crops at the middle elevation zone were more abundant than lower and/or upper elevation zones. Rhythms of seed dispersal generally occured during the same periods within each year for each tree species. These rhythms are well correlated with climatic conditions and the geographic distribution of the species to enable it to secure future generations. In general, empty seed percentages were positively correlated with poor site classes, poor seed years, very old stands, and higher elevations.

Özet

Bu makalede Sarıçam (Pinus sylvestris), Anadolu Karaçamı (Pinus nigra subsp. Pallasiana) ve Kızılçamda (Pinus brutia) tohum veriminin kantite ve kalitesinin, yıllıklara göre ve yıl içindeki periyodik dağılımının, farklı bonitetlerde, yaş kademlerinde ve yükselti basamaklarında, silvikültürel uygulamaların etkileri de dikkate alınarak değerlendirilmiştir. Birim alandaki tohum verimi, aynı yaşlı saf meşcerelerdeki deneme alanlarında, tohum kapanları kullanılarak saptanmıştır.1 Araştırma sonuçlarına göre, iyi bonitetlerde tohum verimi yüksek bulunmuş, belirtilen türler için tohum veriminin yıl içindeki değişimi bütün deneme alanlarında genel olarak her yıl aynı doğrultuda gözlemlenmiştir. Her üç türün orta yaş populasyonları, aynı bonitet ve yükseklik zonlarında genellikle daha fazla tohum üretmişlerdir. Hafif tohum ağırlığına sahip çam türlerinin daha fazla sayıda tohum oluşturduğu görülmüştür. Diğer yandan orta zon populasyonlarının, alt ve üst zonlara nazaran daha fazla sayıda tohum verdiği saptanmıştır. Genel olarak boş tohum yüzdeleri, kötü bonitetlerde, fakir tohum yıllarında, yaşlı meşcelelerde ve artan yükseklik ile artmıştır.

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Cite This Article

ÇALIŞKAN, S., ÇALIKOĞLU, M., ÇALIŞKAN, A., BOYDAK, M. (2022). Türkiye’de Sarıçam (Pinus sylvestris), Anadolu Karaçamı (Pinus nigra subsp. pallasiana) ve Kızılçamda (Pinus brutia) tohum verimi Araştırmaları. İstanbul Üniversitesi Orman Fakültesi Dergisi, Cilt: 59 - Sayı: 2, 10–31. https://ajindex.com/articles/554410

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References (12)

  1. Alan, M., H., Öztürk, S., Şıklar, T., Ezen, B., Korkmaz, B., Çalışkan, H., Özler, I.S., Derilgen, 2008. Scots Pine (Pinus sylvestris L.) progenty trials in inner Anatolian West breeding zone (1300-1700 m) (sixth year results). Forest Tree Seeds and Tree Breeding Research Directorate. Anonymus, 2001. State of Forestry in Turkey (Special Committee Report). DPT, Ankara.
  2. Boydak, M., 1975. Researches on the seed crop of scots pine (Pinus silvestris L.) in Eskişehir-Catacık region, Review of the Faculty of Forestry University of Istanbul. 25 (1): 159-217.
  3. Boydak, M., 1977. Researches on the Seed Crop of Scots Pine (Pinus silvestris L.) in Eskişehir - Çatacık Forest Region. Publication of Faculty of Forest, University of İstanbul.
  4. Boydak, M., 1993. Silvicultural characteristics of Pinus brutia, applicable natural regeneration methods and application principles, pp.146-158, In: International Symposium on Pinus brutia, Ministry of Forestry, Antalya. Boydak, M. and M. Calıkoglu, 2000. Evaluations of some new strategies and practices in Turkish forest tree breeding and suggestions about the integration of forest tree breeding to forestry system, Journal of Forest Tree Seeds and Tree Breeding. Researchc Directorate. 1: 55-81.
  5. Boydak M., F. Bozkuş and A. Çalışkan, 2002. Seed crop and its variation of Pinus nigra subsp. pallasiana in Dursunbey - Alaçam locality. Review of the Faculty of Forestry. University of Istanbul. 52 (2): 1-26.
  6. Boydak, M., H. Dirik and M. Çalıkoğlu, 2006 a. Kızılçam’ın (Pinus brutia Ten.) Biyolojisi ve Silvikültürü. OGEM-VAK Yayını, Ankara.
  7. Boydak, M., H. Dirik and M. Çalıkoğlu, 2006 b. Biology and Silviculture of Turkish Red Pine (Pinus brutia Ten.). OGEM-VAK yayını, Ankara.
  8. Canellas, I., F. M. Garcia and G. Montero, 2000. Silviculture and dynamics of Pinus sylvestris L. in Spain, Invest. Agr. 1: 233-253.
  9. Chalupka, W., and M. Giertych, 1973. Seed years in Picea abies (L.) Karst. Arboretum Kornickie Rocznik. 18:183-186.
  10. Fowells, G.H., 1956. Seed crops o forest trees in the pine region of California. Technical Bulletin No. 1150, USDA. Holmsgaard, E., 1972. Relation between climate and flowering, seed production and growth, Forest Tree Improvement. 4: 53-66.
  11. Karlsson, C. and G. Örlander, 2002. Mineral nutrient in needles of Pinus sylvestris seed trees after release cutting and their correlations with cone production and seed weight. Forest Ecology and Management. 166: 183-191.
  12. Koska, V. and J. Antola, 1994. National Tree Breeding and Seed Production