Attenuation of negative effects of saline stress in wheat plant by chitosan and calcium carbonate

Bulletin of the National Research Centre

Table 3 Effect of chitosan and calcium carbonate (0, 20 and 40 mg/L) on yield and its components of wheat plant grown under different salinity levels (0, 5000 mg/L)

Treatments	Spike length (cm)	Spike wt (g)	Spikelets no/spike	Grains no/spike	Grains wt/plant (g)	1000 grains wt (g)	Biomass/plant (g)
Control	9.50	1.13	13.33	30.20	2.11	30.21	3.52
0 mg/L saline water
20 mg/L chitosan	10.77	1.28	14.67	42.73	2.31	61.00	3.79
40 mg/L chitosan	11.90	1.40	16.00	46.73	2.87	66.67	3.87
20 mg/L CaCO₃	10.33	1.21	14.33	42.20	2.30	60.67	3.72
40 mg/L CaCO₃	11.73	1.33	15.33	44.33	2.33	63.67	3.81
5000 mg/l saline water	8.00	1.06	9.00	25.41	1.82	25.41	3.08
5000 mg/L saline water
20 mg/L chitosan	9.33	1.16	10.33	28.05	1.95	55.67	3.35
40 mg/L chitosan	10.33	1.21	11.67	31.99	2.12	59.00	3.56
20 mg/L CaCO₃	8.33	1.09	10.00	28.15	1.92	52.33	3.18
40 mg/L CaCO₃	9.00	1.15	10.33	34.47	1.93	54.67	3.29
LSD (5%)	0.62	0.05	0.92	1.74	0.05	0.69	0.06