Welcome to Plant Health International

The mission of Plant Health International is to inform farmers, scientists, policy makers and society of the foundational role of plant health management, with a particular focus on root health and root health management in achieving global food security; and to provide farmers with the information needed to attain profitable and sustainable crop production.


Dr. R. James Cook

Plant Health International is dedicated to sharing information and understanding of the fundamentals, theory, practice, and benefits of plant health and plant health management. It is founded and maintained by R. James Cook, drawing on his nearly 50 years of leadership and experience in agricultural research and education as a plant pathologist in government and academia.

Our posts include both classic research studies and new information regarding plant health.