Study of priming (hydropriming, gibbberllic acid and nano silver atomic) seed on the improve indices germination and seedling growth Avena (Avena sativa L.) under salt stress

Subject Areas :

Faezeh  Thaleghni moghadam ¹ (Department of agronomy, Islamic Azad University Varamin- Pishva, Varamin, Iran)
Farshad  Ghooshchi ² (Agronomy Department, College of Agriculture, Islamic Azad University, Varamin- Phishva Branch, Varamin, Tehran, Iran)
Alireza  Safahani ³ (Department of agronomy, Islamic Azad University Gorgan, Gorgan, Iran)

Received: 2015-06-02 Accepted : 2015-12-16 Published : 2016-02-20

Keywords: Gibberellic acid, Salt stress, Oats (oatmeal), hydro-priming, silver nano particles,

Abstract :

The aim of this study was to evaluate the effect of gibberellic acid and silver nano particles and hydro priming mitigate the effects of salinity on oatsIs at the stage of germination and growth. In order to evaluate the effect of hydro-priming, pre-treatment of gibberellic acid and silver nano particles (priming in the lab and sprayed in the greenhouse) to improve germination and seedling growth indices oats in salinity stress conditions (0,4,8,12 ) dS m and gibberellic acid at a concentration of 20ppm and 10ppm silver nano particles factorial design quite "random with three replications. The criteria evaluated were germination percentage, seed yield and shoot and root weight seedling dry, electrical conductivity, the results showed that salinity significant effect (P>0.01) on all of these things and be reduced. the interaction of salinity and priming on germination was not significant. the interaction of salinity and dissolved application on grain yield, root length, shoot length and root dry weight were significant (P>0.01). average interaction between salinity and foliar showed that the highest yield (2.49 grams per plant) the maximum root length (13.29cm) and, most during the shoot (14.99cm) and the highest seedling dry weight (24.819mg) of silver nanoparticles with an average salinity and pretreatment (18.98) Was obtained . The lowest grain yield (1.4999 grams per plant), root length (2 cm, 10 cm stem length) of 12 dS m salinity treatments and anti-stress lack of substance was achieved.According to the results obtained from the use of silver nanoparticles and priming effect of intense passion to improve hydro-priming reduced grain yield.