Fig. 8
From: Impact of metal oxide nanoparticles on cotton (Gossypium hirsutum L.): a physiological perspective
![Fig. 8](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs42397-021-00092-6/MediaObjects/42397_2021_92_Fig8_HTML.png)
Effect of Fe2O3 NPs concentrations on the Bt toxin levels in leaves (a); and roots (b) of cotton plants. Image reproduced from Nhan et al. (2016a) under a Creative Commons Attribution 4.0 International License