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Index Copernicus ICV 2015: 85.95
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Plant growth promoting rhizobacteria (PGPR) are a wide range of root colonizing bacteria with the capacity to enhance plant growth by increasing seed emergence, producing lytic enzyme and bacteriocin. Soil or seed application of PGPR have been used to enhance growth of the several crops as well as to suppress the growth of the plant pathogens. The pot experiment was conducted during winter season to find out the effect of three plant growth promoting rhizobacteria (PGPR) either singly or in combination on vegetative growth parameters of coriander seedling. We observed four growth stages of C. sativum viz., 5 DAG, 10 DAG, 15 DAG, & 20 DAG. Seeds were inoculated with single and combined solution of 108 CFU/ml of rhizobacteria. Seeds were not inoculated for the control variant. The combinations of three PGPR i.e., Azatobacter + PSB + Pseudomonas significantly increased plant growth parameters such as shoot length, root length, shoot weight, root weight, total biomass and total chlorophyll contents in comparison to the individual and control treatment. The results of this study suggest that PGPR is a promising solution for sustainable, environmentally friendly agriculture, and its co-inoculation have the potential to increase the plant growth of C. sativum and it reduces the use of chemical fertilizer.