Biocontrol of tobacco bacterial wilt by Bacillus velezensis Y19: insights into chemotaxis, competition and antagonism

Key Points

• Bacillus velezensis Y19 shows significant potential in biocontrol against bacterial wilt in tobacco.
• Competition and chemotaxis are key mechanisms by which Bacillus velezensis Y19 exerts its effect, enhancing efficacy.
• Assessment involved laboratory and field trials to evaluate the impact on bacterial wilt incidence and severity.
• Understanding these interactions may inform future strategies for managing tobacco diseases effectively.