University of California Alfalfa & Forages
Alfalfa Leaf Image California Alfalfa Workgroup Homepage Alfalfa Leaf Image
Image Splash


December 3-4, 2020

PCA and CCA Credits Offered

Please Join us for a UC-sponsored pest management workshop in early December. This will cover many aspects of pest management of importance including weeds, insects, and diseases. Come to learn and with your questions!

Organized by: University of California Cooperative Extension, UC Davis, UC Division of Agriculture & Natural Resources

Check out the workshop information below:

Day 1. December 3, 2020 - UC Alfalfa IPM Workshop - Weed Management

Strategies (9:00 a.m. - 12:00 Noon)

  • Price & acreage trends in western alfalfa hay markets – Josh Callan
  • California Regulatory Update — Dennis Albiani
  • Key agronomic strategies for pest management — Dan Putnam
  • Poisonous weeds of concern in alfalfa — Larry Fererro
  • Weed control strategies for establishment and production — Earl Creech
  • Recent Weed control trials in alfalfa — Tom Getts & Giuliano Galdi
  • Management of weeds in pastures — Josh Davy

Day 2. December 4, 2020 - UC Alfalfa IPM Workshop - Insect, Diseases, Rodents

Strategies (9:00 a.m. - 12:00 Noon)

  • Process of Pesticide Regulation in California — Aron Lingren, DPR
  • On-Line Tools for Pest Management — Jose Luiz Carvalho de Souza Dias
  • Management of Insecticide Resistance in Alfalfa — Kevin Wanner
  • Biological insect control in alfalfa: A case study — Ian Grettenberger
  • IPM for forages in the desert — Michael Rethwisch
  • Summer worms and use of drones for applying insecticides in alfalfa — Ken Giles and Rachael Long
  • Key diseases in alfalfa – Deborah Samac

Program Details

Register Here

Alfalfa/Forage Virtual Field Day

View Videos and Powerpoints from the virtual field day held in September, 2020

This 'virtual field day' was held September 22, 2020. Many subjects were covered including alfalfa varieties, irrigation, sorghum production and feeding, use of sugar beets and safflower for forage, and research update on hemp. If you missed it, take a look at the videos and PowerPoints below.


  • Alfalfa Yield/Quality with Reduced Lignin Lines – Dan Putnam, UCD (video)
  • Forage Sorghum Types and Uses – Jeff Dahlberg, UC Kearney (video)
  • Alfalfa Insect Pest IPM Update: Aphids, Weevils, Worms – Ian Grettenberger, UCD (video)
  • Field Research on Industrial Hemp – Bob Hutmacher, Dan Putnam, UCD (video)
  • PE Selection in the Time of Covid- Lisa Blecker, UC ANR (pdf)
  • Crop Manage Irrigation Scheduling for Alfalfa – Michael Cahn, UC ANR (pdf)
  • Sorghum as a Forage for Dairies—Jennifer Heguy, UC ANR (pdf)
  • Sugar beets and Safflower as Alternative Forages—Steve Kaffka, UC Davis (ppt coming soon)
  • Sorghum Deficit Irrigation Response—Bob Hutmacher, UCD (pdf)
  • Choosing Alfalfa Varieties for High Yields and Pest Resistance—Dan Putnam, UCD (pdf)
  • Surface Irrigation Strategies for Groundwater Recharge—Khaled Bali, UC Kearney (pdf)

2019 Western Alfalfa & Forage Symposium

November 19-21, Grand Sierra Resort, Reno, Nevada

Including Irrigation Workshop, Economics, Pest Management, Forage Quality, Genetics

Small Grains - Alfalfa/Forages Symposium

Click Here for the Program Symposium

Was held in Cordoba, Argentina, November 11-14, 2018.

Small Grains - Alfalfa/Forages Symposium

Colleagues from around the world gathered together to learn about alfalfa from a world perspective – economics, genetics, production, and science. Features 45+ speakers and a field day. Argentina is the world’s second largest producer of alfalfa (Lucerne).

See Proceedings Papers from the 2018 World Alfalfa Congress

Check out the Oral and Poster presentations here

Irrigated Alfalfa Cover Image

Field Day

Long Beach, CA

Irrigated Alfalfa Cover Image
A comprehensive 24-chapter publication designed to provide detailed, scientifically-based information about the growth, production, management, and utilization of alfalfa grown under irrigation. Lots of pest management information, forage quality, and variety information. Chapters can be downloaded, but it’s better to buy the whole publication.

Producing Alfalfa
Producing Image
Learn to produce alfalfa from General Information to Seed Production.
Variety Selection
Variety Image
Consult data tables from variety trials by location to help pick an alfalfa variety.
Symposium Image
Keep up on the latest symposium.
People Image
Find and learn about people involved with the California Alfalfa Workgroup.