Aluminium Uptake and Translocation in Al Hyperaccumulator Rumex obtusifolius Is Affected by Low-Molecular-Weight Organic Acids Content and Soil pH
Fig 3
Ordination diagram showing the results of PCA analysis with concentrations of Al and of LMWOAs in organs (belowground organs, stems, and leaves) of R. obtusifolius grown on contaminated soils.
Treatment abbreviations: LC—Litavka control soil without any additive, LCa—Litavka soil with lime, LP—Litavka soil with superphosphate, MC—Malín control soil without any additive, MCa—Malín soil with lime, and MP—Malín soil with superphosphate. LMWOAs abbreviations: acetate—concentration of acetate in organ infusions and etc. Al concentration abbreviations: Al/total—total concentration of Al in organs, Al/infusion—concentration of Al in organ infusions.