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Updated: Aug 8, 2026
08:00
Observation of the Ciliary Movement of Choroid Plexus Epithelial Cells Ex Vivo
Published on: July 13, 2015
Lateral Movement of Cations in corn Leaves
1Isotopen Laboratorium, Forschungsanstalt für Landwirtschaft 33 Braunschweig, Federal Republic of Germany.
Plant Physiology
|April 1, 1978
Summary
Nutrient elements like iron, manganese, zinc, and rubidium did not move to the opposite side of corn leaves. Instead, these essential elements migrated downwards towards the base of the treated leaf area.
Area of Science:
- Plant Physiology
- Agricultural Science
- Nutrient Transport
Background:
- Understanding nutrient element movement in plants is crucial for optimizing crop nutrition and yield.
- Corn (Zea mays) is a vital crop, and its nutrient uptake and translocation mechanisms require detailed study.
Purpose of the Study:
- To investigate the migration patterns of specific nutrient elements within young corn leaves.
- To determine the directionality and extent of nutrient translocation after localized application.
Main Methods:
- Utilized a modified chromatogram scanner for precise tracking of radioisotopes.
- Applied radioisotopes of iron ((59)Fe), manganese ((54)Mn), zinc ((65)Zn), and rubidium ((86)Rb) to one-half of young corn leaves.
Main Results:
- Observed limited lateral migration of nutrient isotopes across the leaf midrib.
- Demonstrated a predominant downward movement of applied isotopes towards the base of the treated leaf portion.
- Indicated that nutrient translocation is largely confined to the vascular tissues within the applied region.
Conclusions:
- Nutrient elements supplied to one side of a corn leaf exhibit restricted movement to the contralateral side.
- Translocation of these essential elements occurs primarily basipetally within the vascular system of the leaf.
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