Effect of salicylic acid on germination parameters of fenugreek (Trigonella foenum- graecum L.) under salt stress
Salinity is an environmental factor that affects all stages of plant development from germination to fruit and grain production more or less. Germination is one of the most critical stages in plant growth under salt stress conditions. In order to investigate the effect of salicylic acid on germination and growth characteristics of Fenugreek seedlings seedlings under salinity stress, an experiment was carried out in a factorial experiment in a completely randomized design with three replications in 2017 in Agriculture and Technology Laboratory, University of Mohaghegh Ardebili. Experimental factors included concentrations (0, 0.5 and 1 mM) of salicylic acid and salinity levels including zero (control), 50, 100 and 200 mM sodium chloride. The results showed that with increasing salinity percent and germination rate, seedling length, seedling dry weight and Fenugreek weight decreased. Germination percentage (50%), germination speed (35%), seedling length (40%) and seedling dry weight (45%) were obtained at 200 μm salinity (without salinity). Application of 1 mM salicylic acid could significantly improve the traits compared to the control. The results of this study showed that the use of salicylic acid could greatly endure fungal strain under stress conditions.
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