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Arsenic (As) is a potential contaminant of groundwater as well as soil in many parts of the world. The effects of increasing concentration of As (25 μM and 50 μM As2O3) in the medium on the content of starch and sugars and activity levels of enzymes involved in starch and sugar metabolism i.e. α-amylase, β-amylase, starch phosphorylase and acid invertase were studied in germinating seeds of two rice...
When seeds of two rice cvs. Ratna and Jaya were germinated under increasing levels of cadmium nitrate (0, 100 and 500 µM) in the medium, a marked decrease in germination percentage was observed with Cd treatments, as compared to controls. There was more absorbed Cd in embryo axes than in endosperms. More uptake resulted with increasing Cd levels in the growth medium in embryo axes. In both rice cultivars,...
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