Effect of Seed Priming With Salicylic Acid on Germinability and Seedling Vigor Fenugreek (Trigonella Foenum-Graecum)

Abstract

In orther to the effects of seed priming with salicylic acid (SA) on germinability and seedling vigor of fenugreek was used three salicylic priming  treatments (control, 1700 and 2800 μM) and  accelerated aging test for  24 and 48 hours including control with no aging at 95% relative humidity at at 45°C. It was found  that aging for 48 hours without priming resulted in significant loss of mean germination percentage, seedling length vigor, seedling weight vigor, germination speed, coefficient  of germination speed, mean daily germination, coefficient of germination uniformity, germination vigor, maximum mean daily germination, and germination value. But, when the aged seeds were primed with 2800 μM SA, it significantly improved these  parameters so that germination percentage reached to 100% from 41%. In contrast to these germination speed were observed in unprimed aged seeds for 48 hours.  Moreover, priming with 2800 μM SA of aged seeds for 48 hours increased their seedling tissue water percentage to 94.48%. Accelerated aging for 48 hours reduced seedling length and weight significantly. The highest seedling length, plumule dry weight and seedling dry weight were observed in seeds treated with 2800 μM SA.

Keywords

• Priming,Accelerated aging,Germination parameters,Salicylic acid,Seedling vigor

Salisilik Asit Uygulamasının Çemen (Trigonella Foenum- Graecum) Yaşlandırılmış Tohumların Çimlenme Yeteneği ve Fide Canlılığı Üzerine Etkisi

Öz

Yaşlı çemen otu (Trigonella foenum-graecum) tohumlarında farklı salisilik asit uygulamalarının (kontrol, 1700 ve 2800 µN) çimlenme yeteneği ve fide canlılığı üzerine etkileri, 24 ve 48 saat 1hızlandırma ile yaşlanmaya bırakılmış tohumlar ve yaşlandırma uygulanmamış kontrol grubunda %95 nispi nem ve 45 °C sıcaklıkta incelenmiştir. Priming olmadan 48 saat yaşlandırmanın ortalama çimlenme yüzdesi, fide uzunluğu, fide ağırlığı, çimlenme hızı, çimlenme hızı katsayısı, ortalama günlük çimlenme, çimlenme tekdüzeliği katsayısı, çimlenme gücü, maksimum günlük çimlenme ve çimlenme değerlerinde önemli kayıplara neden olmuştur. Ancak, yaşlandırılmış tohumlar 2800 μM SA ile priming olduğunda, çimlenme yüzdesi % 41'den %100'e ulaşarak parametreler önemli ölçüde gelişmiştir. Bu parametrelerin aksine, en yüksek günlük çimlenme hızı, ortalama çimlenme süresi ve ortalama çimlenme hızı, 48 saat yaşlandırılmış priming yapılmış tohumlarda gözlenmiştir. Ek olarak, 2800 μM SA ile priming yapılmış tohumlarda, 48 saat süreyle yaşlandırma, fide doku su yüzdelerini % 94.48'e yükseltmiştir. 48 saat süre ile hızlandırılmış yaşlandırma, fide uzunluğu ve ağırlığını önemli ölçüde azaltmıştır. En yüksek fide uzunluğu, plumule kuru ağırlığı ve fide kuru ağırlığı 2800 μM SA ile priming uğramış tohumlarda gözlenmiştir.

Anahtar Kelimeler

• Priming,Hızlandırılmış yaşlanma,Salisilik asit,Çimlenme parametreleri,Fide gücü

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