Table 7. Pearson’s correlation coefficients for the plant and bacterial parameters at D50 (before anthesis) and D65 (ear harvest).
Pop. size in soil | Pop. size in rhizo. | Pop. size in endo. | IAA | Plant top biomass (D50) | Root biomass (D50) | Plant top biomass (D65) | Root biomass (D65) | |
Pop. size in soil | 1.000 | |||||||
Pop. size in rhizo. | 0.581** | 1.000 | ||||||
Pop. size in endo. | 0.409* | 0.035 | 1.000 | |||||
IAA | -0.696** | -0.763** | 0.162 | 1.000 | ||||
Plant top biomass (D50) | 0.261 | 0.471* | 0.072 | 0.639* | 1.000 | |||
Root biomass (D50) | 0.209 | 0.294 | 0.302 | 0.623* | 0.594** | 1.000 | ||
Plant top biomass (D65) | 0.112 | 0.255 | -0.109 | 0.480 | 0.788** | 0.639** | 1.000 | |
Root biomass (D65) | 0.209 | 0.382 | 0.021 | -0.220 | 0.489* | 0.566** | 0.604** | 1.000 |
Levels of significance:
*p<0.05,
**p<0.01.
n = 24.