Abstract
Effect of iron on zinc absorption by rice (Oryza sativa L. variety Jaya) seedlings and its translocation within the plant was studied in a nutrient solution culture using Zn65. Zinc absorption increased with zinc application, but decreased with increasing concentrations of iron in the nutrient medium. Total zinc uptake decreased to 85 per cent by increasing concentration of iron from 0 to 60 μM. Per cent reduction in zinc uptake was more at lower levels of zinc in the nutrient solution. The inhibitory action of iron on zinc absorption was ‘non-competitive’. Translocation of zinc decreased with increasing levels of iron from 0 to 20 μM. re]19750219
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