TY  - JOUR
T1  - Yamankavgalaz (Centaurea pseudoscabiosa Boiss. & Buhse) Alttaksonları Üzerine Mikromorfolojik ve Palinolojik Araştırmalar
TT  - Micromorphological and Palynological Studies on Centaurea pseudoscabiosa Boiss. & Buhse (Yaman kavgalaz) Subtaxa
AU  - Bozkurt, Meryem
AU  - Ertuğrul, Kuddisi
AU  - Yılmaz Çıtak, Burcu
AU  - Uysal, Tuna
PY  - 2026
DA  - April
Y2  - 2026
DO  - 10.35163/bagbahce.1834099
JF  - Bağbahçe Bilim Dergisi
PB  - Ali Nihat Gökyiğit Eğitim, Sağlık, Kültür, Sanat ve Doğal Varlıkları Koruma Vakfı
WT  - DergiPark
SN  - 2148-4015
SP  - 1
EP  - 14
VL  - 13
IS  - 1
LA  - tr
AB  - Bu çalışmada, Centaurea (Peygamberçiçeği) cinsi Acrocentron altseksiyonu içerisinde yer alan Centaurea pseudoscabiosa (yaman kavgalaz) alt taksonlarının aken ve polen özellikleri ışık (IM) ve taramalı elektron mikroskobu (SEM) kullanılarak belirlenmiştir. Bu çalışmanın temel amacı C. pseudoscabiosa kompleksi içerisinde yer alan taksonların sistematik problemlerinin çözülmesinde aken ve polen makro ve mikromorfolojik özelliklerinin önemini belirlemektir. C. pseudoscabiosa Türkiye’de C. pseudoscabiosa subsp. pseudoscabiosa, C. pseudoscabiosa subsp. araratica, C. pseudoscabiosa subsp. sipikorensis ve C. pseudoscabiosa subsp. glehnii olmak üzere dört alt türle temsil edilmektedir. Alttürlerin ayrımında kullanılan morfolojik karakterler değerlerinin üst üste binmesinden dolayı taksonların ayırımında zorluklar yaşanmaktadır.   Arazi ve mevcut herbaryum örneklerinden elde edilen polen ve olgun aken materyalleri ışık ve taramalı elektron mikroskobu ile incelenerek bu iki yapıyla ilgili çok sayıda karaktere ait veriler elde edilmiştir. Oluşan veri matrisi, dendrogram elde etmek için sayısal analiz yöntemiyle analiz edilmiştir. Oluşturulan dendrograma göre, alttaksonları en iyi ayırt edici polen karakterlerinin polar eksen ortalaması (PEort), por uzunluğu (Plt) ve genişliği (Plg), apertür tipi (APER), kolpus uzunluğu (Clg), amb şeklinin (Amb) yanı sıra aken karakterleri için epidermis hücre uzunluğu (H) ve genişliğinin (I) olduğu tespit edilmiştir. Elde edilen dendrogram değerlendirilerek C. pseudoscabiosa içerisinde yer alan taksonlar arasındaki akrabalık ilişkisi ortaya çıkarılmıştır.
KW  - Compositae
KW  - Cardueae
KW  - Acrocentron
KW  - Mikromorfoloji
KW  - Polen
KW  - Aken
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UR  - https://doi.org/10.35163/bagbahce.1834099
L1  - https://dergipark.org.tr/tr/download/article-file/5468954
ER  -