The effect of seed priming by salicylic acid and nano-iron chelate on germination and initial growth of lentil under salinity stress
2014
Nourafcan, Hassan | Shahmoradi, Masoumeh
To study the effect of seed priming by salicylic acid and nano-iron chelate on germination and initial growth of lentil under salinity stress, a factorial experiment was conducted based on completely randomized design with three replications. Treatments was contained priming with salicylic acid and nano-iron chelate each with three levels (1000, 2000 and 3000 mg.L-1), hydropriming with distilled water and control (non-priming) and four salinity levels (control, 1000, 2000 and 3000 mg.L-1). The results showed that seed priming by salicylic acid and nano-iron chelate had significant effect on germination percentage and rate, emergence percentage and rate, mean of germination and emergence time mean, plumule length, fresh and dry weight under salinity stress. The sodium chloride salt with 3000 mg.L-1 rate caused significant decrement in seedling germination and initial growth characteristics, comparing to control. In the present study, salicylic acid showed positive effect on germination and growth characteristics of lentil seedling under salinity stress with and without nano-iron chelate, so that germination and initial growth characteristics of lentil seedling were increased by application of salicylic acid in sole and under salinity stress, comparing to control. Therefore, applying seed priming by salicylic acid with 3000 mg.L-1 to improve germination and establishment of seedling with or without salinity stress condition is going to be recommended.
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