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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/).
Expression levels of PR genes in GhPRA1.B1-1A-silenced cotton. (A–F), RT-PCR analysis of the expression levels of PR genes in silenced plants and controls. All experiments were repeated at least three times (* p < 0.05, ** p < 0.01).