Plant diseases caused by phytopathogenic bacteria pose significant threats to agriculture, impacting both yield and long-term sustainability. In California, woody perennial crops such as plums and almonds are particularly vulnerable, with diseases like plum leaf scald and almond bacterial blast, caused by Xylella fastidiosa and Pseudomonas syringae pv. syringae (Pss) respectively, causing substantial economic losses through reduced yield, compromised tree health, and diminished long-term productivity. Given the limited efficacy and environmental concerns associated with conventional chemical treatments, there is an urgent need for sustainable, targeted disease management strategies. Our research program focuses on developing and optimizing phage-based approaches to control these pathogens, leveraging mechanistic insights into bacterial-phage interactions, host specificity, and phage resistance dynamics to provide growers with environmentally friendly tools that preserve crop health and economic viability.
At the heart of our program are three interconnected areas of focus:
- Understanding the biology and genetics of plant–pathogen interactions
- Exploring sustainable disease management solutions
- Preparing the next generation of scientists to meet future challenges in plant health

Plant–Pathogen Interactions

Sustainable Disease Management Solutions

Training the Next Generation

Collaborators