Effects of Azospirillum lipoferum and Seaweed Extract on Growth and Development Parameters of Zucchini (Cucurbita pepo L.) Seedlings

Yıl 2024, Cilt: 20 Sayı: 2, 177 - 196, 28.12.2024

Yadigar Leyla Doğan , Özlem Üzal , Ömer Öztaş , Fikret Yaşar

https://doi.org/10.58816/duzceod.1589784

Öz

The study was conducted to investigate the effects of Azospirillum lipoferum (AzL) and seaweed extract (DY) on the growth and development parameters of zucchini (Cucurbita pepo L.) seedlings. The experiment was carried out under controlled climatic conditions, and the biostimulants were applied at three different doses (1.25 ml/L, 2.5 ml/L, 5 ml/L), both individually and in combination. Growth parameters such as stem height (cm), stem diameter (mm), number of leaves, internode length (mm), root length (cm), fresh and dry weight (g) were evaluated. The findings demonstrated that the treatments significantly improved growth compared to the control group (p<0.05). Notably, the medium-dose combination (2.5 ml/L) of Azospirillum and seaweed extract yielded the highest values for growth and biomass parameters. The results support the potential use of these biostimulants as environmentally friendly and sustainable alternatives in seedling production. Future studies are recommended to explore the effects of these applications on different plant species and under various environmental stress conditions.

Anahtar Kelimeler

Cucurbita pepo L, pgpr, Azospirillum lipoferum, seaweed

Azospirillum lipoferum ve Deniz Yosunu Özütünün Sakız Kabağı (Cucurbita pepo L.) Fidelerinin Büyüme Ve Gelişim Parametreleri Üzerindeki Etkileri

Öz

Çalışma, Azospirillum lipoferum (AzL) ve deniz yosunu özütünün (DY), sakız kabağı (Cucurbita pepo L.) fidelerinde büyüme ve gelişim parametrelerine etkilerini incelemek amacıyla yürütülmüştür. Deneme kontrollü iklim koşullarında gerçekleştirilmiş ve biyostimülantlar üç farklı dozda (1,25 ml/L, 2,5 ml/L, 5 ml/L) tek başına ve kombinasyon halinde uygulanmıştır. Çalışmada gövde boyu (cm), gövde çapı (mm), yaprak sayısı (adet), boğum arası mesafe (mm), kök uzunluğu (cm), taze ve kuru ağırlık (g) gibi büyüme parametreleri değerlendirilmiştir. Elde edilen bulgular, uygulamaların kontrol grubuna göre istatistiksel olarak anlamlı düzeyde iyileşme sağladığını göstermiştir (p<0.05). Özellikle Azospirillum ve deniz yosununun orta doz kombinasyonu (2,5 ml/L), büyüme ve biyokütle parametrelerinde en yüksek değerleri sağlamıştır. Sonuçlar, bu biyostimülantların, fidecilikte çevre dostu ve sürdürülebilir alternatifler olarak kullanılma potansiyelini desteklemektedir. İlerleyen araştırmalarda, bu uygulamaların farklı bitki türleri ve çevresel stres koşulları üzerindeki etkilerinin araştırılması önerilmektedir.

Anahtar Kelimeler

Cucurbita pepo L., pgpr, Azospirillum lipoferum, deniz yosunu

Kaynakça

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