Table 4 Effect of chitosan and calcium carbonate (0, 20 and 40 mg/l) on photosynthetic pigments and IAA (µg/100 g fresh wt) of wheat plant growing under different salinity levels (0, 5000 mg/l)
From: Attenuation of negative effects of saline stress in wheat plant by chitosan and calcium carbonate
Treatments (mg/l) | Chlo-a | Chlo-b | Chlo-a/Chlo-b | Carotenoids | Total pigments | IAA (µg/100 g fresh wt) |
|---|---|---|---|---|---|---|
Control | 12.44 | 7.52 | 1.65 | 2.50 | 22.46 | 26.97 |
0Â mg/L saline water | Â | Â | Â | Â | Â | Â |
 20 mg/L chitosan | 13.52 | 8.08 | 1.67 | 3.05 | 13.52 | 34.07 |
 40 mg/L chitosan | 14.57 | 8.60 | 1.69 | 3.75 | 14.60 | 44.07 |
 20 mg/L CaCO3 | 13.36 | 7.96 | 1.68 | 2.64 | 13.23 | 31.53 |
 40 mg/L CaCO3 | 13.89 | 8.27 | 1.68 | 3.38 | 13.83 | 40.04 |
5000Â mg/l saline water | 10.41 | 6.67 | 1.56 | 2.60 | 19.67 | 19.79 |
5000Â mg/L saline water | Â | Â | Â | Â | Â | Â |
 20 mg/L chitosan | 11.71 | 7.20 | 1.63 | 3.33 | 13.20 | 25.16 |
 40 mg/L chitosan | 12.47 | 7.63 | 1.63 | 3.85 | 13.76 | 27.81 |
 20 mg/L CaCO3 | 11.30 | 6.95 | 1.63 | 3.28 | 12.14 | 25.95 |
 40 mg/L CaCO3 | 12.04 | 7.38 | 1.63 | 3.80 | 13.00 | 30.21 |
LSD (5%) | 0.11 | 0.14 | 0.04 | 0.14 | 0.25 | 1.55 |