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Heavy metal accumulation, physiological status and resistance against Zn and Pb were compared in lichens occurring in metalpolluted (Silesian Upland, S. Poland) and unpolluted (forest complex, NE Poland) areas. Sandy soil near Zn/Pb ore mine had significantly lower (5–35-times) metal content than dolomite-containing ground of mine tailing dump in polluted area (S. Poland). Metal contents in native...
The effects of lead, copper, cadmium and mercury on the content of chlorophyll, proline, retinol, α-tocopherol and ascorbic acid were investigated in 17-day-old bean seedlings (Phaseolus vulgaris L.) grown in Hoagland solution spiked with various concentrations of Pb, Cu, Cd and Hg. Control and heavy metal-treated plants were grown for 10 days in Hoagland solution. Content of total chlorophyll (a...
Detached leaves of 14 day-old dark-grown pea seedlings were immersed with their cut ends either in water (control) or in 20 mM Pb(NO₃)₂ solution. They were exposed to continuous illumination during 24 and 48 h. The formation of PSII primary photochemistry in thylakoids was determined in vivo by measuring changes in values of parameters of chlorophyll a fast fluorescence kinetics: Fo, Fm, Fv, Fv/Fm...
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