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4265167 
Journal Article 
Metal uptake by psyllium (Plantago ovata L.) treated with lead (Pb) under semi-arid conditions 
Khan, ZI; Kashaf, S; Ahmad, K; Akram, NA; Ashraf, M; Mahmood, SU; Sohail, M; Bashir, H; Mehmood, N 
2017 
0 
Legume Research
ISSN: 0250-5371 
40 
2 
277-281 
WOS:000400881700011 
Psyllium plants were treated with different doses of lead (Pb) and different plant parts and seeds were analyzed. Iron (Fe) contents were found to be lower than the toxic level (Soil 2396.9, seeds 691.5, roots 1516.6, leaves 1384.5, husks 1226.1 mu mol kg(-1) DW). The leaf Zn contents were above the critical level but lower than the toxic level (295.2 +/- 16 mu mol kg(-1)). Leaf manganese (Mn) and Cr levels in P. ovata plants fell within the critical range (232.6 and 0.1923 mu mol kg(-1) respectively). Lead in soil significantly correlated with Fe and Mn, but non-significantly with Zn and Cr in plants of P. ovata. The transfer ratios of Cr and Zn in plants without Pb treatment were lower as compared to plants treated with varying levels of Pb. P. ovata can grow in soils having lead concentration up to 4000 mu mol and act as a hyper accumulator of lead. 
Heavy metals; Medicinal plants; plantago ovata; Treatment of lead