Fig. 12From: Sustainable nano-pesticide platform based on Pyrethrins II for prevention and control Monochamus alternatusTree trunks injected with water (A), fluorescence distribution of pine trunk after peeling off the bark (B), fluorescence intensity along the pith direction after 5Â h (C), fluorescence intensity along the pith direction after 24Â h (D), and fluorescence distribution of the cross-sectional view of the trunk after 24Â h (E)Back to article page