Abstract
Rhizospheric microorganisms can be used to reduce synthetic fertilizer applications. We tested the efficiency of a consortium of arbuscular mycorrhizae and two rhizobacteria on rose (Rosa rubiginosa) production in the greenhouse. The experimental organisms were two strains of Acinetobacter soli (AU4, RG5), and Glomus sp1. The treatments consisted of, T1-negative control; T2-positive control; T3-AU4; T4-RG5; T5-AU4 + RG5; T6-AU4 + Glomus sp.1; T7-RG5 + Glomus sp.1; T8-AU4 + RG5 + Glomus sp.1. The design was complete randomized design with three replications. The highest percentage of rose root stock establishment increment was exhibited by AU4 + RG5 + Glomus sp.1 consortia inoculation (90.5%) followed by dual inoculation of AU4 + RG5 (59.5%) compared to the negative control. In conclusion, inoculation of rose flower root stocks with plant growth promoting microorganisms improved the root stock establishment.
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