Silicon decreases both uptake and root-to-shoot translocation of manganese in rice.

Abstract excerpt

Silicon (Si) is known to alleviate manganese (Mn) toxicity in a number of plant species; however, the mechanisms responsible for this effect are poorly understood. Here, we investigated the interaction between Si and Mn in rice (Oryza sativa) by using a mutant defective in Si uptake. Silicon alleviated Mn toxicity in the wild-type (WT) rice, but not in the mutant exposed to high Mn. The Mn concentration in the...

Topics

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• Biological Transport
• Down-Regulation
• Manganese
• Membrane Transport Proteins
• Plant Roots