Peach brown rot caused by is one of the most economically destructive diseases of peach ( L.) in some orchards of China. Biocontrol is a significant strategy that exhibits strong levels of control and ecologically sound concepts in disease management. The purpose of this study was to investigate the combined suppressive effects of three endophytic bacterial strains (xj-14, xj-15, and xj-16) and two soil rhizosphere bacterial strains (xj-A and xj-C) that were shown to have strong inhibitory activity toward in our previous study. The optimal strains and the optimized combination of strains were determined. The combination of strains xj-15 and xj-C inhibited more intensively for a longer period of time. Following the application of 1 × 10 CFU/mL bacterial complex to the fruits, leaves, and shoots of peach trees infected with , the rate of inhibition reached 73.80%, 83.33%, and 90.43%, respectively. A pot experiment using lettuce () showed that inoculation with the bacterial complex significantly increased the growth of seedlings. In this study, some compound bacteria were more effective than those in previous study in suppressing disease and promoting growth, which have the potential to be further applied in the field.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7874659 | PMC |
| http://dx.doi.org/10.1515/biol-2020-0080 | DOI Listing |
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