The effect of salinity stress on some germination indices of promising wheat lines (Triticum aestivum L.)

I order to study the effect of salinity stress on germination indices of six promising wheat lines; an experiment was conducted in 2009 at the Jiroft Agriculture Research Center. A factorial layout with a completely randomized design with three replication was used. Salinity stress levels (0, 3, 6, 9, 12, 15, ds/m), and wheat lines (Chamran, Darab 2, ERSal 81- 59, ER-Salt- 83-6, ER-Salt- 83-12, ER-Salt- 81-6) were considered as A and B factors, respectively. Result showed that the increase in salinity level 0 to 15 ds/m, significantly reduced all germination indices. Lines were significantly different in respect to germination indices. ER-Salt-83-12 and ER-Salt-83-6 had the highest and lowest germination percentage, germination rate, root dry weight and lowest and highest EC, respectively. Based on Germination Stress Index, ER-Salt-83-12 and ER-Salt-83-6 lines had highest and lowest resistance to salinity, respectively.