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. Author manuscript; available in PMC: 2019 Oct 31.
Published in final edited form as: J Agric Food Chem. 2018 Oct 18;66(43):11468–11476. doi: 10.1021/acs.jafc.8b04770

Figure 7.

Figure 7.

Soil pH as a determinant of AA uptake into crops. The pH of surface soil was determined for samples collected from farmlands in Serbian villages (A, n = 221) endemic and (B, n = 173) non-endemic for Aristolochia plants. Analyses were performed according to the standard procedure in ISO 10390:2005. (C) The root uptake efficiency of AA from pH 6.0 and 7.6 environments was determined by planting wheat plants in V1 growth stage in an aqueous extract of Aristolochia clematitis fruit containing 15 µg/mL and 1.5 µg/mL of AA-I and AA-II, respectively, for two days.