385
The highest accumulation of As was found in seeds of V. arsenica with a median
value of 1392 mg kg
−1
(mass fraction of 2.5–88.5%) and in the roots of V. arsenica
with the median value of 211 mg kg
−1
(mass fraction of 10–31%). The median value
was 158 mg kg
−1
(mass fraction of 98%) for the roots of V. macedonica, and the lowest median value was in the roots of V. allchariensis with 24.3 mg kg
−1
(mass fraction
of 30–75.7%). For their aboveground parts, the accumulation of As in the stems was
found to be highest in the V. arsenica with a median value of 21.9 mg kg
−1
(mass
fraction to 16%), followed by V. allchariensis, with median of 3.40 mg kg
−1
(mass
Fig. 13.5 (a) Mass fraction of As, Sb, and Tl in different plant parts of Viola species – arsenic.
(b) Mass fraction of As, Sb, and Tl in different plant parts of Viola species – antimony. (c) Mass
fraction of As, Sb, and Tl in different plant parts of Viola species – thallium
13 Accumulation Abilities of Endemic Plant Species from the Vicinity of an As-Sb-Tl…