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. 2020 Mar 26;8(4):471. doi: 10.3390/microorganisms8040471

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© 2020 by the authors.

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 (http://creativecommons.org/licenses/by/4.0/).

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Screening of effective plant growth-promoting rhizobacteria (PGPR) strains using plant growth assay. Root (a) and shoot (b) fresh weight of Arabidopsis seedlings measured after 12 days of co-cultivation. Pseudomonas isolates were code as PS01–PS20. E.coli DH5 strain was used as bacterial control. The bars represent mean fresh weights ± SD (n = 15). Experiments were repeated at least 3 times with similar results. Different letters indicate statistically significant differences (Tukey’s HSD test; p <0.05).

Screening of effective plant growth-promoting rhizobacteria (PGPR) strains using plant growth assay. Root (a) and shoot (b) fresh weight of Arabidopsis seedlings measured after 12 days of co-cultivation. Pseudomonas isolates were code as PS01–PS20. E.coli DH5 strain was used as bacterial control. The bars represent mean fresh weights ± SD (n = 15). Experiments were repeated at least 3 times with similar results. Different letters indicate statistically significant differences (Tukey’s HSD test; p <0.05).