Intermountain Research and Extension Center
Intermountain Research and Extension Center
Intermountain Research and Extension Center
University of California
Intermountain Research and Extension Center


Four miles from the Oregon border, in Tulelake, California, the Intermountain Research and Extension Center (IREC) is one of nine centers under the University of California Division of Agriculture and Natural Resources. IREC supports and facilitates University of California research in field and vegetable crops grown in northeast California, and supports conservation of natural resources in the Klamath Basin.

Please explore our website. Specific contents include announcements, calendar reminders, local weather, biological data, and past & current research reports.

Opportunities for Research and Extension at IREC

Center Highlights 2014

Did You Know?

Intermountain REC Blog

  • Continuing Education Units Offered by UC IPM Online

    Added November 13, 2015

    Are you looking for continuing education units (CEUs) to complete your renewal application this year for the Department of Pesticide Regulation (DPR)? The UC Statewide IPM Program has several online courses available that can help you get those...

  • Tulelake Late Blight Update- August 13, 2015

    Added August 13, 2015
    Late Blight Lesion on Potato Stem

    Good Afternoon Potato Folks,  Late blight has been positively confirmed via lab test results sent off by Brian Charlton.   All submitted samples were determined to be the US-23 strain.   US-23 is sensitive to mefenoxam...

  • Late Blight Found in Tulelake Potato Field

    Added August 2, 2015
    Late Blight Photo by Brian Charlton

    Late Blight was confirmed in the Tulelake Lease Lands last week.   It's been over 15 years since the last reported case of late blight in Tulelake. All growers should be on high alert as this is a devastating disease that can wipe out an entire...

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