The effect of priming with salicylic acid and ascorbic acid on germination indices and biochemical traits in wheat seed deterioration

Wheat as the most important plants on earth and is the main source of feeding people in Iran. Damage of seed deterioration as the most important factor has been proposed by researchers. The purpose of this research is to evaluate the effects of plant growth regulators (salicylic acid and vitamin C) to improve germination and physiological quality of deteriorated seeds in wheat (Triticum aestivum), respectively. The treatments included two levels of accelerated aging in normal conditions and plant growth regulators included salicylic acid and ascorbic acid at levels of 50, 100 and 150 ppm and hydropriming. No priming treatment was as a control. A factorial experiment in a completely randomized design with three replications was done. In this research, the best treatments to improve seed germination characteristics crumbling use of ascorbic acid 100 ppm that 23% could improve germination. Under normal conditions, the highest percentage of germination was obtained salicylic acid 100 ppm 22.31% increase in germination was finalized. The results showed that significantly accelerated aging antioxidant enzyme activity and soluble protein reduced and in contrast, a significant increase in electrical conductivity and MDA content, soluble sugar and proline to be.