Ecological specificity of growth promoting bacteria for interior spruce (picea glauca x picea engelmanii)?

Soil, rhizobacteria and interior spruce seed originating from two disparate ecosystems were used to examine the effect of rhizobacterial inoculation and the role of coexistence between rhizobacteria, seed provenances and soil sources on germination and spruce seedling growth in two experiments. Sta...