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Title

STUDIES ON GERMINATION PROPERTIES OF SPRING WHEAT WITH TREATMENT BY POLY AMINES UNDER SALINITY STRESS

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 Start Page 19 | End Page 23

Abstract

 Objective: In order to investigate effects of different concentrations of poly amines SPRIMIDIN and PUTRESCINE on GERMINATION of Arg cultivar under SALINITY stress.Methods: This experiment was conducted as factorial based on completely randomized design with four replicates in agronomy and plant breeding laboratory, Agricultural department, Islamic Azad University, Varamin-Pishva Branch in spring of 2014. First factor was four levels of SALINITY including S1: 3.87, S2: 5.95, S3: 10.25 and S4: 12.87 ds/m and the second factor was three levels of poly amines including H0: control (not application of poly amines), H1: PUTRESCINE 2.5 m/mol and H2: SPRIMIDIN 5 mmol/L.coleoptile and cleorhiza length, cleorhiza number, coleoptile, cleorhiza and seedling dry weight, Tissue water content (TWC), GERMINATION percent and number of damaged seeds were measured.Results: Analysis of variance showed that coleoptile and cleorhiza length, cleorhiza dry weight affected by SALINITY and hormone levels at 1% of probability level. There was no significant difference among other treatments for other properties.Results of this experiment indicated that following increasing SALINITY, sever reduction in GERMINATION-dependent properties were observed.

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