Bio-inoculants, which are beneficial microbes, were studied to see how they affect the growth and yield of chrysanthemum plants. The researchers tested different combinations of bio-inoculants on the plants in a greenhouse. The best results were seen with a treatment that included specific types of bacteria, resulting in taller plants, more branches and leaves, and higher flower yield. These native bacteria performed better than other strains, likely due to a positive interaction with the chrysanthemum plants. This study shows that using bio-inoculants can help improve the growth and yield of chrysanthemum plants, potentially reducing the need for chemical fertilizers.