Alfalfa (California)
Coordinated by Peter B. Goodell (, Cooperative Extension Advisor, 
University of California Statewide IPM Program


Alfalfa forage has a major economic ($1 billion annually) and landscape (7 million acres) footprint throughout CA. Integrated Pest Management (IPM) is well developed and the Statewide IPM program has developed and delivered multiple programs to manage insect pests including IPM manuals and continually updated Pest Management Guidelines.

Medicago sativa 
Alfalfa (Medicago sativa L.) 
Gerald Holmes, California Polytechnic State University at San Luis Obispo,


Stakeholders would benefit with additional extension efforts in IPM review, update and training. In addition to outreach and training, improved communication among PCAs and Cooperative Extension would enhance the ability for regional responses to pest outbreaks.

UC IPM logo


The present challenges facing the industry include:

  • A number of new Pest Control Advisers (PCAs), farmers, and consultants entering into the business during the past 10 years
  • Shifts in invasive species pressure and population dynamics
  • National, state, regional and local regulatory requirements
  • Changes in production and pest management practices