Abstract
Fe deficiency was imposed in Citrus sinensis L. cultivars Valencia and New Hall grafted on C. aurantium and Swingle citrumelo rootstocks by the absence of Fe (-Fe) or by the presence of bicarbonate in the Hoagland nutrient solution. In Fe-deprived leaves total and active Fe concentration, and peroxidase and catalase activities were decreased while the ratios carotenoids/chlorophylls, P/Fe, and K/Ca were increased. Fe(III) chelate reductase activity was induced in (-Fe)-treated roots whereas it was depressed in bicarbonate-treated roots.
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Chouliaras, V., Therios, I., Molassiotis, A. et al. Iron Chlorosis in Grafted Sweet Orange (Citrus sinensis L.) Plants: Physiological and Biochemical Responses. Biologia Plantarum 48, 141–144 (2004). https://doi.org/10.1023/B:BIOP.0000024292.51938.aa
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DOI: https://doi.org/10.1023/B:BIOP.0000024292.51938.aa