Optimizing the Efficacy of Beneficial Bacteria Against Botrytis Blight in Greenhouse Crops
Botrytis cinerea is the causal agent of botrytis blight or gray mold, the most common and economically devasting disease for greenhouse crops. Fungicides are routinely used to control Botrytis; however, some Botrytis strains are developing resistance to those chemicals. Beneficial bacteria have been used successfully as biological control agents for disease control. The Jones laboratory at Ohio State University has screened a collection of beneficial bacteria to identify strains that can control Botrytis blight in petunia. These experiments have identified some strains of Pseudomonas bacteria that are effective microbial biocontrol agents (MBCAs). We have characterized these bacteria to identify potential modes of action by which they inhibit the severity of Botrytis blight. This research was made possible by a research…