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Journals / Türkiye Teknoloji ve Uygulamalı Bilimler Dergisi / 2025 / Cilt: 6 Sayı: Özel Sayı Özel Sayı

Drought Stress Response of Phacelia (Phacelia tanacetifolia Benth.) During The Germination and Seedling Growth Stage

Arı Otu (Phacelia tanacetifolia Benth.) Bitkisinin Çimlenme ve Fide Aşamasında Kuraklık Stresine Tepkisi

Semih Açıkbaş(SİİRT ÜNİVERSİTESİ, ZİRAAT FAKÜLTESİ, TARLA BİTKİLERİ BÖLÜMÜ)0000-0003-4384-3908
Mehmet Arif Özyazıcı(SİİRT ÜNİVERSİTESİ)0000-0001-8709-4633
Pages
1–11
Publication Date
2025-12-31
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

It was concluded that the phacelia plant is drought-sensitive during its germination and seedling stages.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This study aimed to determine the effects of drought stress on the germination and seedling growth of phacelia (Phacelia tanacetifolia Benth.).
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Key Findings & Data:The research was conducted under controlled conditions at 25 ± 1 °C in the Field Crops Laboratory of the Faculty of Agriculture, Siirt University.
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Conclusion & Impact:It was concluded that the phacelia plant is drought-sensitive during its germination and seedling stages.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Phacelia tanacetifolia · Kuraklık stresi · Çimlenme yüzdesi

Abstract

This study aimed to determine the effects of drought stress on the germination and seedling growth of phacelia (Phacelia tanacetifolia Benth.). The research was conducted under controlled conditions at 25 ± 1 °C in the Field Crops Laboratory of the Faculty of Agriculture, Siirt University. The plant material used in the study was the phacelia cultivar “Sağlamtimur.” The laboratory experiment was established in Petri dishes according to a completely randomized design with four replications. Drought stress treatments consisted of 0%, 5%, 10%, 15%, and 20% drought stress levels. The parameters evaluated in the study included germination percentage, mean germination time, germination uniformity coefficient, germination energy, germination index, seedling fresh weight, and seedling vigor index. Statistical analysis showed that all parameters examined were significantly affected (p<0.01) by the drought level. Drought stress significantly and negatively affected the germination and seedling traits of phacelia. The effects of drought stress were observed in all evaluated parameters starting from the 5% drought level. It was concluded that the phacelia plant is drought-sensitive during its germination and seedling stages.

Özet

Bu çalışmada, kuraklık stresinin arı otu (Phacelia tanacetifolia Benth.) bitkisinin çimlenme ve fide gelişimi üzerine etkilerinin belirlenmesi amaçlanmıştır. Araştırma, Siirt Üniversitesi, Ziraat Fakültesi, Tarla Bitkileri Laboratuvarı’nda, 25±1 °C kontrollü şartlar altında yürütülmüştür. Çalışmanın bitkisel materyalini “Sağlamtimur” arı otu çeşidi oluşturmuştur. Laboratuvar çalışması, tesadüf parselleri deneme desenine göre 4 tekrarlamalı olarak Petri kaplarında kurulmuştur. Çalışmada kuraklık stresi olarak; %0, %5, %10, %15 ve %20 dozları kullanılmıştır. Araştırmada çimlenme oranı, ortalama çimlenme süresi, çimlenme üniformite katsayısı, çimlenme enerjisi, çimlenme indeksi, fide yaş ağırlığı ve fide güç indeksi parametreleri incelenmiştir. İstatistiksel değerlendirme, incelenen tüm parametrelerin kuraklık seviyesinden önemli ölçüde (p<0.01) etkilendiğini göstermiştir. Kuraklık stresi, arı otu bitkisinin çimlenme ve fide özelliklerini önemli derecede olumsuz yönde etkilemiştir. Kuraklık stresinin etkileri tüm incelenen parametrelerde % 5 kuraklık seviyesinden itibaren gözlemlenmiştir. Arı otu bitkisinin çimlenme ve fide döneminde kuraklığa hassas bir bitki olduğu sonucuna varılmıştır.

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Cite This Article

Açıkbaş, S., Özyazıcı, M. A. (2025). Drought Stress Response of Phacelia (Phacelia tanacetifolia Benth.) During The Germination and Seedling Growth Stage. Türkiye Teknoloji ve Uygulamalı Bilimler Dergisi, Cilt: 6 Sayı: Özel Sayı Özel Sayı, 1–11. https://doi.org/10.70562/tubid.1822708

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