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ABSTRACT
Tomato (Solanum lycopersicum) is one of the most vital horticultural crops globally, playing a significant role in human nutrition, culinary traditions, and agricultural economies. Meeting the ever-growing demand for tomatoes requires innovative and sustainable approaches to boost yield and quality. Root-associated rhizobacteria have emerged as a promising avenue for achieving these goals. Root-associated rhizobacteria have long been recognized for their pivotal role in promoting plant health and vigor. These microorganisms form intricate symbiotic relationships with plant roots, providing a range of benefits. They enhance nutrient availability to plants through processes such as nitrogen fixation and phosphorus solubilization, effectively transforming soils into nutrient-rich reservoirs. The aim of this study was to determine plant growth promopting rhizobacteria associated with tomato plant rhizosphere. Rhizospheric soil sample were collected from three tomato plant. Rhizobacteria from the soil were isolated and identified by cultural methods including gram staining and biochemical test. Plant growth promoting test for the identified bacteria which were Bacillus subtilis and Pseudomonas fluorescens, were also done and the result came out indicating Pseudomonas fluorescens possessed significant traits of plant growth promoting properties as it tested positive to all plant growth promoting test done but as for Bacillus subtilis which tested positive to one of three plant growth promoting test, it shows that the rhizobacteria isolated from tomato plant rhizospheric soil vary in their plant growth promoting properties and mechanism of action towards the enhancement of tomato plant yield and productivity. As we navigate the complexities of modern agriculture, these findings contribute to our understanding of rhizosphere microbiome and it’s potential applications for a more productive, resilent and environmental friendly tomato production-system.
