Artículos
Plants require iodine, an element recently recognised as a beneficial nutrient for crops.
“Iodine should be regarded as a plant nutrient”. That is the main conclusion of a scientific paper published in September 2020 by a group of researchers from Italy. Iodine is recognised as being essential for the health of humans and farm animals, and it has now been discovered that plants require iodine as well, in a micromolar dose in the nutrient solution. The presence of naturally occurring iodinated proteins in higher plants is now described for the first time and 82 iodinated proteins have been identified. Based on phenotyping, genomics and proteomics studies, it was shown that plants require iodine for leaf and root growth, efficient photosynthesis (the process of converting sun light into chemical energy in the leaf), timely flowering, increased seed production, and the activation of an early warning system that defends the plant against damage from abiotic and biotic stress. In areas where soil and water are naturally low in iodine, iodine deficiency can result in crop yield loss and reduced fruit quality.
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