Journal of Plant Process and Function

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Abstract In order to investigate the effects of nano silver and multi wall carbon nanotube levels on ‎some morphological and physiological traits of faba bean the present study was done. This ‎factorial experiment was conducted in a completely randomized design with three replications ‎and two treatments with four concentrations (0,100,200 and 300 mgl-1). The results showed ‎the total number of seeds germinated, shoot length, root length, shoot weight and dry weight, ‎root weight and dry weight and root tolerance had significant differences at Ag and multi wall ‎carbon nanotube treatments (p<0.01) whereas, T50 and germination rate traits showed non ‎significant differences under nanoparticle treatments. Nanoparticles concentrations had ‎significant effects on Shoot fresh weight and shoot dry weight indices, germination rate and ‎T50 (p<0.05) and shoot length, root length, root fresh and dry weight, root tolerance index and ‎total number of germinated seeds indices (p<0.01). Shoot length and root dry weight under ‎‎200 mg/l concentrations, showed significant difference with other treatments and root ‎tolerance, root fresh weight and root length, showed highest significant decrease under 300 ‎mg/l concentration. The interaction effects of treatments, had significant effects on ‎germination rate (p<0.05) and other indices (p<0.01). Root dry weight, root tolerance and ‎number of germinated seeds under 300 mg/l, and germination rate indices under 100 mg/l ‎and T50 index under control treatment, showed the highest significant decrease.‎

Keywords: Key word: Ag nanoparticle, faba bean, Germination, Multi wall carbon nanotube ‎

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