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. 2020 Apr 15;11:412. doi: 10.3389/fpls.2020.00412

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Copyright © 2020 Khan, Samrana, Zhang, Malik, Khan and Zhu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Visual impact of Pb and GSH on upland cotton seedlings. Photographs of upland cotton seedlings (variety TM-1) representing control (a), and those treated with 500 μM Pb (b), 50 μM GSH (c) and 500 μM Pb + 50 μM GSH (d).