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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Effect of various concentrations of Pb(NO3)2 on seed germination of Salvia officinalis and stress alleviation by ALA in hydroponic (A) and pot experiments (B).