The Ability of Phosphate Solubilizing Bacteria in Enhacing The Growth of Tomato Plants (Lycorsicon esculentum Mill.)
Abstract
Tomato (Lycopersicon esculentum Mill.) is a type of vegetable that is much needed the Indonesians. The high demand for tomatoes makes them very salable in the market, so the growth of tomatoes must be increased. Pseudomonas fluorescens is included in PGPR, one of the bacteria that lives as a saprophyte in plant roots and functions to increase plant growth. P. fluorescens is a phosphate solubilizing bacteria that has the ability to solubilizing phosphate bound to other elements so that it can be available to plants. The purpose of this study was to determine the ability of P. fluorescens in solubilizing phosphate, and to test its ability to increase tomato growth. This research is descriptive and experimental research. The design used was a Randomized Block Design (RBD) with 6 treatments (P. fluorescens isolates PfPb1, PfPb3, PfPj1, PfMs, PfCas and LAHLS1) and 3 replicates. The data were analyzed using the Analysis of Variance (ANOVA) test and continued with the DNMRT further test at the 5% level. The results showed that all P. fluorescens isolates were able to solubilizing phosphate with the formation of a clear zone, but could not increase the growth of tomato plants.
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DOI: https://doi.org/10.24036/bsc.v9i1.131495
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