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Table 6 Mean comparisons for chlorophyll content, RWC for leave and shoot and EC of R. damascena leaves under different salinity levels and treated with salicylic acid at four rates of application

From: Biochemical and molecular responses of Rosa damascena mill. cv. Kashan to salicylic acid under salinity stress

salinity Treatment SA RWC (%) EC of Leave (%) Total Chlorophyll (mg g− 1.FW) Chlorophyll a (mg g− 1.FW) Chlorophyll b (mg g− 1.FW)
leave Shoot
Control control 75.27 ± 3.66ab 62.91 ± 8.83ab 54.60 ± 4.97ab 3.00 ± 0.61ab 1.69 ± 0.19abc 1.31 ± 0.32ab
0.5 mM 87.85 ± 3.38a 65.75 ± 7.59a 41.34 ± 3.05c 3.02 ± 0.63ab 1.66 ± 0.20abc 1.35 ± 0.31ab
1 mM 67.65 ± 2.14abc 48.19 ± 3.47abc 49.56 ± 1.67abc 2.70 ± 0.90ab 1.55 ± 0.38bc 1.14 ± 0.41ab
2 mM 78.21 ± 3.73ab 47.86 ± 2.81abc 50.38 ± 1.32ab 3.86 ± 0.67a 2.42 ± 0.24a 1.43 ± 0.31a
4 ds m−1 control 81.41 ± 4.42a 46.65 ± 3.28abc 52.59 ± 4.15ab 2.92 ± 0.65ab 1.83 ± 0.29abc 1.08 ± 0.24ab
0.5 mM 71.64 ± 3.54ab 50.16 ± 3.08abc 44.91 ± 2.94bc 2.80 ± 0.53ab 1.89 ± 0.26abc 0.90 ± 0.16ab
1 mM 75.56 ± 2.27ab 52.07 ± 2.53ab 49.19 ± 5.19abc 3.56 ± 0.40ab 2.20 ± 0.10ab 1.35 ± 0.18ab
2 mM 75.58 ± 3.05ab 58.98 ± 7.3abc 42.72 ± 4.45bc 3.22 ± 0.44ab 2.39 ± 0.10a 0.83 ± 0.23ab
8 ds m−1 control 66.45 ± 4.61abc 41.54 ± 3.55bc 60.11 ± 2.96a 2.40 ± 0.68b 1.65 ± 0.39abc 0.73 ± 0.17ab
0.5 mM 54.62 ± 2.01c 48.99 ± 3.66 abc 50.11 ± 4.46ab 2.57 ± 0.80ab 1.74 ± 0.46abc 0.83 ± 0.22ab
1 mM 73.97 ± 3.15ab 43.97 ± 3.92bc 54.29 ± 5.82ab 2.99 ± 0.72ab 2.07 ± 0.36ab 0.92 ± 0.24ab
2 mM 59.68 ± 1.65bc 37.61 ± 2.51bc 57.64 ± 4.58ab 3.77 ± 0.62ab 2.37 ± 0.30ab 1.30 ± 0.22ab
12 ds m−1 control 51.86 ± 2.84c 34.96 ± 4.57bcd 60.90 ± 2.49a 2.39 ± 0.48b 1.47 ± 0.20c 0.62 ± 0.17b
0.5 mM 68.04 ± 3.26abc 46.69 ± 2.66 abc 47.61 ± 1.73abc 2.45 ± 0.36ab 1.76 ± 0.14abc 0.69 ± 0.12ab
1 mM 60.10 ± 2.08bc 28.16 ± 1.95d 48.85 ± 4.49abc 3.05 ± 0.35ab 2.14 ± 0.10ab 0.91 ± 0.14ab
2 mM 61.21 ± 2.11bc 32.74 ± 1.2bcd 59.25 ± 4.22ab 3.69 ± 0.42ab 2.03 ± 0.18abc 1.06 ± 0.14ab
  1. EC Electrical Conductivity
  2. RWC Relative Water Content
  3. FW Fresh Weight
  4. The different letters within each column indicate significant differences according to Duncan’s multiple-range test (P = 0.05)