Table 2:

Variation of chlorophyll (Chl a, Chl b) and carotenoid contents of control and treated finger millet plants under salinity; Data represent Mean ± Standard Error.
Age of the plant (Days) Treatment Chl a Chl b Carotenoid (mg/g FW)
35 Control 1.461 ± 0.25a 0.85 ± 0.67b 0.962 ± 0.02a
Salinity 1.927 ± 0.5b 1.19 ± 0.03b 1.91 ± 0.9c
Salinity + ZnO NPs 2.224 ± 0.78a 1.35 ± 0.01c 2.008 ± 0.9c
45 Control 1.261 ± 0.4a 0.9 ± 0.01a 0.8 ± 0.50c
Salinity 1.675 ± 0.36a 1.1 ± 0/02c 1 ± 0.17c
Salinity + ZnO NPs 2.012 ± 0.004c 1.4 ± 0.99b 2.1 ± 0.24a
55 Control 1.9 ± 0.04a 1 ± 0.84a 1.1 ± 0.05a
Salinity 2.1 ± 0.89a 1.2 ± 0.33c 1.3 ± 0.3c
Salinity + ZnO NPs 2.9 ± 0.77a 1.8 ± 0.39a 2.1 ± 0.5c

a,b,c,dshow significance at P < 0.05.