Figure 1. Fluorine content in root, stem and leaf of sunflower (mean ± standard error) (Different lowercase letters showed significant difference from each other (p<0.05))

From

Fluorine Accumulation in Sunflower and Its Photosynthetic Response

Chaofan Sun, Tianran Zhao, Xiaojing Wang, Kejie Han, Huicheng Xie

Applied Ecology and Environmental Sciences. 2021, 9(9), 795-799 doi:10.12691/aees-9-9-2