Effect of Pretreatment of Salicylic acid on Seed Germination of Wheat cultivars under different Salt Stress
Subject Areas : New Finding in Agriculture
1 - Student of Agroecology in Shahid Chamran University of Ahvaz, Iran
2 - Associ. Prof., Faculty of Agriculture, Shahid Chamran University of Ahvaz
Keywords: germination, Salicylic acid, Salt stress, wheat cultivars,
Abstract :
In order to study Effect of Pretreatment of Salicylic acid on Seed Germination of Wheat cultivars(BC ROSHAN & ALVAND) under Salt Stress, an experiment was conducted in the research laboratory of Shahid Chamran University of Ahvaz, Iran in 2011. The experimental design was factorial based on completely randomized design (CRD) with three replications. The treatments including of Treatments of wheat seedling cultivars (BC ROSHAN & ALVAND), salicylic acid (SA) (1mM without and with using) and Salt stress was inducted by NaCl solution (0, 3, 6, 9 and 12 dc/m) have been used. For this purpose after surface sterilization of seeds, they were soaked in SA solutions for 24 h and then dried by sterile paper then transferred in to sterile petri dishes and added 10 ml NaCl solution with different concentrations. In this experiment, in standard germination test traits of seed germination percentage, germination rate and mean of germination time and in seedling growth test traits of seedling length and dry weight of seedlings have been measured. The results showed salinity decreased seed germination of wheat cultivars in general concentration of NaCl (12 dc/m) decreased germination over 30% as compared with control. Too SA increased the seedling length and dry weight of seedlings.
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