Fig. 2
The growth photographs and fresh weight of rice seedlings. Growth photographs (a), total fresh weight (b), shoot fresh weight (c), root fresh weight (d), shoot length (e), root length (f), prophyll leaf length (g), leaf sheath length (h), and leaf blade length (i) of rice seedlings. ZnO NPs 0, ZnO NPs 25, ZnO NPs 50 and ZnO NPs 100: 0, 25, 50 and 100 mg L−1 of ZnO NPs. Cd 0 and Cd 100: 0 and 100 mg L−1. Values were represented as mean ± SD (n = 4). Different low case letters among the treatments within a variety shows the statistically significant at p < 0.05 according to least significant different test