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Pearson correlation coefficients (r) between PGP traits (in vitro assays) and biocontrol activity (in vivo assay).
| Pearson correlation |
In vitro assays |
In vivo assay |
|
|---|---|---|---|
| Variables | IAA production | Fungal growth inhibition (%) | Disease severity |
| Protease activity | 0.44ns | 0.31∗ | −0.47ns |
| Siderophore production | 0.36∗ | 0.64∗∗ | 0.24ns |
| IAA production | 1 | 0.47∗ | −0.01ns |
| Fungal growth inhibition | −0.63∗ | ||
ns, non-significant; ∗P < 0.05; and ∗∗P < 0.01.
