Effect of transpiration on iron uptake and translocation in lowland rice |
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| Authors: | Ram K Shrestha Katrin Engel Mathias Becker |
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| Affiliation: | 1. Institute of Agriculture and Animal Science (IAAS), Lamjung Campus, Lamjung, Nepal;2. Institute of Crop Science and Resource Conservation, Department of Plant Nutrition, University of Bonn, Germany |
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| Abstract: | We evaluated six lowland rice (Oryza sativa L.) genotypes with contrasting responses to increasing Fe2+ concentrations under conditions of both low (0.3 kPa) and high (2.4 kPa) vapor pressure deficit. Dry atmospheric conditions generally enhanced transpiration with concomitant increases in Fe uptake and leaf bronzing. Some resistant genotypes were able to limit the water loss by transpiration under higher Fe concentrations thus attenuating negative effects associated with increased Fe2+ translocation at high vapor pressure deficit. |
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| Keywords: | hydroponics iron toxicity leaf bronzing vapor‐pressure deficit |
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