Floral biology, pollination and reproductive success of Campanula tomentosa Lam. in west Anatolia

Year 2025, Volume: 18 Issue: 1, 20 - 30

Ümit Subaşı , Aykut Güvensen

https://doi.org/10.46309/biodicon.2024.1478456

Abstract

Campanula tomentosa, an endemic species, has a limited distribution with a total of 5 populations only in the Western Anatolia Region of Turkey. Research on the reproduction and conservation biology (pollination biology and reproductive success) of the plant was carried out for the first time by us. Within this context, pollen and stigma viability (floral biology), pollination biology, flower visitation, pollinator identification and reproductive success were investigated. The results of the pollen viability test in which 1% TTC (1,2,3-triphenyl tetrazolium chloride) was used indicated that 100% of the pollen grains were viable at the loading stage. In Peroxidase Test Papers and DAB stigma viability tests, the stigmas were completely curled and they were viable during the pollen presentation phase. The main pollination in the plant was realized by Xylocopa valga (Gerstacker, 1872) and Evylaeus setulellus (Strand, 1909). In C. tomentosa, fruit set and seed setting rates were 93.42% and 73.12%, respectively. On the other hand, it was revealed that the total area where it was distributed was 28.7 km2 and that it was classified as endangered.

Keywords

Campanula tomentosa, reproductive success, pollen viability

Supporting Institution

Ege University Rector Scientific Research Project Office; TUBITAK; EBILTEM;

Project Number

Project No: 2012- FEN-019 - BAP(Ege University Rector Scientific Research Project Office); Project No: 112T598 (TUBITAK); Project No: 2013 / BİL / 017 (EBILTEM).

Thanks

The present study was supported by BAP (Ege University Rector Scientific Research, Project Office, Project No: 2012- FEN-019), the Scientific and Technological Research Council of Turkey (TUBITAK Project No: 112T598) and Science, Technology Application and Research Center of Ege University (EBILTEM Project No: 2013 / BİL / 017). We would like to extend our sincere thanks to Dr. Fatih DİKMEN, Hacettepe University Science Faculty Biology Department Zoology Department for his valuable contributions to the identification of pollinators.

Batı Anadolu’da yayılış gösteren Campanula tomentosa Lam'ın çiçek biyolojisi, tozlaşması ve üreme başarısı

Abstract

Endemik bir tür olan Campanula tomentosa, Türkiye'nin sadece Batı Anadolu Bölgesi'nde toplam 5 popülasyonla sınırlı bir dağılıma sahiptir. Bitkinin üreme ve korunma biyolojisi (tozlaşma biyolojisi ve üreme başarısı) üzerine araştırmalar ilk kez tarafımızdan gerçekleştirilmiştir. Bu kapsamda polen ve stigma canlılığı (çiçek biyolojisi), tozlaşma biyolojisi, çiçek ziyareti, tozlayıcıların tanımlanması ve üreme başarısı araştırılmıştır. %1 TTC'nin (1,2,3-trifenil tetrazolyum klorür) kullanıldığı polen canlılık testi sonuçları, yükleme aşamasında polen tanelerinin %100'ünün canlı olduğunu göstermiştir. Peroksidaz Test Kağıtlarında ve DAB stigma canlılık testlerinde stigmalar tamamen kıvrılmış ve polen sunum aşamasında canlı kalmıştır. Bitkide esas tozlaşma Xylocopa valga (Gerstacker, 1872) ve Evylaeus setulellus (Strand, 1909) tarafından gerçekleştirilmiştir. C. tomentosa'da meyve tutumu ve tohum tutumu oranları sırasıyla %93,42 ve %73,12'dir. Ayrıca, yayılış gösterdiği toplam alanın 28,7 km2 ve neslinin tükenme kategorisi sınıfında olduğu tespit edilmiştir.

Keywords

Campanula tomentosa, üreme başarısı, polen canlılığı

Project Number

Project No: 2012- FEN-019 - BAP(Ege University Rector Scientific Research Project Office); Project No: 112T598 (TUBITAK); Project No: 2013 / BİL / 017 (EBILTEM).

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