Odun külünün Patlangaç (Colutea armena Boiss. and Huet) tohumlarının çimlenmesi üzerine etkisi

Öz

Colutea armena (Patlangaç), biyolojik çeşitlilikte önemli yeri olan ve yangına hassas ekosistemlerde meşcere kenarlarında yayılış gösterebilen önemli bitki türleri arasında yer almaktadır. Bu çalışmada C. armena türünün doğal olarak yayılış gösterdiği alanlarda meydana gelen yangınların türün yayılışı üzerinde etkisinin olup olmayacağını değerlendirebilmek amacıyla, tohumlarının çimlenmesi üzerine odun külünün ve farklı çimlenme ortamlarının etkileri incelenmiştir. Çimlenme ortamı olarak odun külü, toprak, kum ve torf ortamlarının eşit oranlarda karıştırılmasıyla elde edilen toplam 15 farklı ortam kullanılmıştır. Çimlendirme deneyi, her tekrarda 50 tohum olacak şekilde dört tekrarlı olarak laboratuvar koşullarında gerçekleştirilmiştir. Çalışma sonucunda, çimlenme ortamlarının C. armena tohumlarının çimlenmesi üzerine etkili olduğu (p<0.05) ve odun külünün çimlenme oranını azalttığı belirlenmiştir. En yüksek çimlenme yüzdeleri Toprak-Torf (%62.53), Torf (%63.13), Torf-Kum (%64.86), Toprak (%65.08), Kum-Toprak (%65.84) ve Kum (%66.93) ortamlarından elde edilmiştir. Külün oran olarak yüksek olduğu ortamlarda genellikle çimlenme elde edilememiştir. Sadece külün düşük oranlarda yer aldığı Kum-Torf-Kül, Torf-Kül-Toprak, Toprak-Kum-Torf-Kül ortamlarında çimlenme sağlanmıştır. Kül içeren ortamlarda çimlenme oranlarının düşük olması, külün çimlenme ortamının pH değerini yükseltmesine bağlanabilir.

Anahtar Kelimeler

• Colutea armena
• çimlenme yüzdesi
• çimlenme ortamı
• kül

The effect of wood ash on the germination of Bladder-Senna (Colutea armena Boiss. and Huet.) seeds

Öz

Colutea armena (Baldder Senna) is among the important plant species that have an important place in biodiversity and can spread on the edges of stands in fire-sensitive ecosystems. In this study, the effects of wood ash and different germination media on the germination of seeds of C. armena species were investigated in order to evaluate whether the fires occurring in the areas where it naturally spreads will have an effect on the spread of the species. A total of 15 different media obtained by mixing equal proportions of wood ash, soil, sand and peat media were used as germination media. The germination experiment was carried out in four replications under laboratory conditions, with 50 seeds in each replicate. As a result of the study, it was determined that the germination media were effective on the germination of C. armena seeds (p<0.05) and wood ash reduced the germination rate. The highest germination percentages were obtained from Soil-Peat (62.53%), Peat (63.13%), Peat-Sand (64.86%), Soil (65.08%), Sand-Soil (65.84%) and Sand (66.93%). Generally, germination could not be obtained in environments where the ash ratio is high. Germination was achieved in Sand-Peat-Ash, Peat-Ash-Soil, Soil-Sand-Peat-Ash environments where only ash is present at low rates. The fact that germination is lower in ash-containing environments can be attributed to the increase in the pH value of the ash germination medium.

Anahtar Kelimeler

• Colutea armena
• Germination percentages
• Germination media
• Ash

Kaynakça

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