Plants, Volume 13, Issue 4
2024 February-2 - 97 articles
Cover Story: Theobroma cacao seedlings were grown hydroponically in eight treatments, which included/excluded zinc (Zn) and/or iron (Fe) and added Cd. Analyses of Cd concentrations and naturally stable isotope compositions revealed synergy between Fe availability and Cd uptake and translocation and a possible increase in Cd translocation with the application of foliar Zn. Data from all treatments fit a single isotope fractionation model associated with the sequestration of isotopically light Cd in roots and mobilization of isotopically heavier Cd to the leaves. The different Cd dynamics seen in response to Fe availability and exhibited by 19 genetically diverse cacao clones grown under similar conditions are likely due to the same physiological processes, such as regulating specific transporter proteins. View this paper - Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
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