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. 2020 Sep 24;10:15642. doi: 10.1038/s41598-020-72507-4

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Biplot display of principal component analysis (PCA) of the parameters analyzed in tomato plantlets. Treatments: non-inoculated (Control), fertilized (Fert) and inoculated with: 64S1: Enterobacter 64S1, 42P4: Pseudomonas 42P4, 60I1: Cellulosimicrobium 60I1, 53F: Ochrobactrum 53F. Factors: Root dry weight (RDW), shoot dry weight (SDW), plant height, stem height, stem diameter, leaf area, nitrogen content (N) and SPAD index.