Zeki ACAR, Sema LEBLEBİCİ, İlknur AYAN, Mehmet CAN, Erdem GÜLÜMSER

Bituminaria bituminosa (L.) C.H. Stirt.’in Farklı Gelişme Dönemlerindeki Yaprak Ekstraktlarının Buğdayın Bazı Çimlenme ve Fide Gelişimi Parametreleri Üzerine Etkisi

Bu çalışmada, büyüme başlangıcı, tomurcuklanma ve çiçeklenme başlangıcı dönemlerinde elde edilen Bituminaria bituminosa (L.) C.H. Stirt yaprak ekstraktlarının buğdayın (Triticum aestivum L.) çimlenme ve fide gelişimi üzerine etkilerinin belirlenmesi amaçlanmıştır. Çalışmada 12 adet B. bituminosa genotipinin yaprak ekstraktı kullanılmış, kontrol grubunu ise saf su oluşturmuştur. Çalışmada çimlenme oranı, kök-gövde uzunlukları, kök-gövde yaş ve kuru ağırlıkları, kök ve gövde biyokütlesi ve fide canlılık indeksi incelenmiştir. En yüksek çimlenme oranı 1 numaralı (% 99.55), en düşük ise 2 numaralı (% 93.93) genotipten elde edilmiştir. Çalışmada kök ve gövde uzunlukları sırasıyla 6.49-16.28 cm ve 7.58-12.67 cm arasında değişmiştir. En yüksek fide canlılık indeksi G5 (2813.50), G9 (2619.74), G11 (2657.05) ve G12 (2657.71), en düşük ise kontrol uygulamasından (1343.74). elde edilmiştir. Sonuç olarak çalışmada 9, 10 ve 11 numaralı genotipler incelenen özellikler bakımından daha üstün performans göstermiştir. Ayrıca tomurcuklanma döneminde alınan B. bituminosa yaprak ekstraktları diğer gelişme dönemlerine göre buğdayın gelişimi üzerinde daha yüksek ve olumlu allelopatik özellik göstermiştir.

The Effect of Leaf Extracts in Different Growth Periods of Bituminaria bituminosa (L.) C.H. Stirt. on Some Germination and Seedling Development Parameters of Wheat

The aim of this study was to determine the effect of Bituminariabituminosa (L.) C.H. Stirt. leaf extracts obtained at beginning ofgrowth, budding and beginning of flowering on germination andseedling growth characteristics of wheat (Triticum aestivum L.). Inthe study, 12 B. bituminosa genotypes leaf extracts (G) were used, andthe control group was consisted of distilled water. In the study,germination percentage, root and shoot length, root and shoot freshdry weight, root and shoot biomass and seedling vigor index wereinvestigated. The highest germination percentage was found in G1 as99.55%, and the lowest was found in G2 with 93.93%. The root andshoot length ranged from 6.49-16.28 and 7.58-12.67 cm, respectively.The highest seedling vigor index was found in G5 (2813.50), G9(2619.74), G11 (2657.05) and G12 (2657.71), while it was lowestcontrol group (1343.74). As a result, the G9, G10, and G11 showedhigher performance in terms of investigated traits. Besides, the B.bituminosa genotypes leaf extracts obtained at the budding stage werehigher and had positive allelopathy effect compared to the othergrowth stages.

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