Table 5.
Parameters | Control (N) |
Treatments | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
N+ AsA |
N+ Pro |
N+ GSH |
N+ A.P.G |
NaCl (S) |
S+ AsA |
S+ Pro |
S+ GSH |
S+ A.P.G |
||
Shoot length | 15.6 | 9.0 | 6.4 | 15 | 17 | −24 | 7.7 | −1.3 | −3.2 | 15 |
Leaf area | 64.0 | 10 | 8.3 | 11 | 18 | −26 | −0.9 | −4.5 | 0.2 | 10 |
Stem diameter | 3.6 | 5.6 | 2.8 | 5.6 | 11 | −17 | 0.0 | 0.0 | 0.0 | 2.8 |
Shoot FW | 1.71 | 17 | 19 | 18 | 19 | −18 | 14 | 16 | 16 | 19 |
Shoot DW | 0.13 | 15 | 15 | 15 | 31 | −23 | 7.7 | 0.0 | 7.7 | 23 |
gs | 193 | 25 | 28 | 32 | 33 | −26 | 20 | 21 | 21 | 31 |
SPAD value | 42.1 | 0.7 | 1.7 | 1.9 | 6.2 | −20 | −7.6 | −8.3 | -7.4 | -1.7 |
Fv/Fm | 0.83 | 0.0 | 0.0 | 0.0 | 1.2 | −8.4 | −1.2 | −1.2 | −1.2 | 1.2 |
PI | 3.64 | 3.0 | 2.5 | 3.8 | 3.8 | −17 | −4.9 | -4.9 | −4.4 | 2.2 |
RWC | 87.6 | 0.8 | 1.8 | 1.3 | 4.2 | −15 | −5.6 | −5.0 | −5.5 | 0.2 |
MSI | 76.3 | 2.9 | 2.6 | 3.5 | 4.5 | −17 | −8.5 | −8.4 | −7.7 | 0.7 |
Free proline | 0.27 | 15 | 141 | 19 | 181 | 22 | 48 | 196 | 52 | 222 |
Ascorbate | 1.48 | 139 | 25 | 33 | 189 | 95 | 327 | 126 | 130 | 412 |
Glutathione | 0.14 | 36 | 43 | 150 | 186 | 29 | 79 | 100 | 250 | 321 |
SOD activity | 0.23 | 26 | 22 | 22 | 35 | 8.7 | 35 | 35 | 43 | 65 |
CAT activity | 0.23 | 22 | 30 | 22 | 52 | 26 | 52 | 61 | 61 | 78 |
GR activity | 0.27 | 19 | 26 | 26 | 52 | 19 | 44 | 44 | 48 | 74 |
APX activity | 0.30 | 43 | 40 | 40 | 73 | 20 | 63 | 67 | 67 | 83 |
Cd2+ content | 0.53 | −31 | −2.5 | −5.6 | -33 | 550 | 283 | 292 | 257 | 94 |
K+ content | 23.8 | 2.3 | 1.0 | 2.4 | 3.4 | −55 | −28 | −28 | −22 | −1.9 |
Ca2+ content | 13.5 | −0.4 | -2.5 | 0.9 | 1.2 | −31 | -16 | −18 | −13 | −2.8 |
Na+ content | 2.73 | −2.8 | −1.1 | −1.9 | -2.5 | 529 | 253 | 248 | 245 | 129 |
K+/Na+ ratio | 8.67 | 5.4 | 2.2 | 4.4 | 6.2 | −93 | −80 | −79 | −77 | −57 |
Ca2+/Na+ ratio | 4.90 | 2.7 | −2.6 | 2.8 | 3.9 | −89 | −77 | −76 | −75 | −56 |
AsA = ascorbate, Pro = proline, GSH = glutathione, A.P.G. = ascrobate-proline-glutathione, gs = stomatal conductance, PI = performance index, RWC = relative water content, MSI = membrane stability index, CAT = catalase, GR = glutathione reductase, SOD = superoxide dismutase, APX = ascorbate peroxidase, Cd2+ = cadmium, Ca2+ = calcium, K+ = potassium, and Na+ = sodium.