Germination responses of wheat Tajan cultivar to gibberlic acid and poly amines under salinity stress
Journal Title: International Research Journal of Applied and Basic Sciences - Year 2013, Vol 4, Issue 6
Abstract
In order to investigate the effects of different levels of gibberlic acid anf poly amines on germination and early growth of Tajan cultivar under salt stress, the experiment was carried out as factorial based on randomized complete block with four replicates. The first factor was salinity (S1:3.78, S2:5.95, S3:10.25 and S4:12.87 ds/m) and the second factor was hormone H0: control, H1:GA3 (100mg/litr), H2:GA3 (150mg/litr), H3:GA3 (200mg/litr), H4: Putrescine (2.5m/mol), H5: Spermidine (5m/mol) and H6: GA3(100mg/litr) + Spermidine (5m/mol). coleoptile and cleorhiza length, cleorhiza number, coleoptile and cleorhiza dry weight, germination percent, tissue water content and number of damaged seeds were measured. Analysis of variance of coleoptile and cleorhiza length, cleorhiza number, coleoptile dry weight and tissue water content showed the significant difference among salinity and hormone treatments (P<0.01). The results showed that following increasing of salinity, application of different concentrations of gibberlin hormone and poly amines had significant effects on Tajan cultivar.
Authors and Affiliations
Neda ozhan*| Department of Agriculture, Varamin-Pishva Branch, Islamic Azad University, Varamin- Iran, Neda2460@yahoo.com, Maryam Hajibabaei| Ferdowsi University of Mashhad, International Branch, Mashhad, Iran
Keywords
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