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Controlling Alfalfa Weevils in the Intermountain Area with Pyrethroid Resistance

Figure One

Picture 1: Adult alfalfa weevil Alfalfa weevils, key pests of alfalfa hay, have been showing pyrethroid insecticide resistance within the Intermountain region, specifically in the Scott Valley...

Posted on Friday, February 9, 2018 at 10:00 AM
Focus Area Tags: Agriculture Pest Management

Managing Weevils in Alfalfa Hay Production

Harvesting alfalfa weevil trials

It's that time of year again to watch for those evil alfalfa weevils! Weevils are key pests of alfalfa, causing yield and quality losses mainly to the first alfalfa hay cutting. The alfalfa weevil...

Posted on Friday, February 2, 2018 at 9:03 AM
Tags: alfalfa (28), control (1), forage quality (1), weevils (1)
Focus Area Tags: Agriculture

Late Infestation of Armyworms Created Large Problems in Intermountain Pasture and Alfalfa Fields this year.


This fall there were serious armyworm outbreaks in California's Intermountain Region. Many pastures, and hay fields were overtaken by this pest, especially in Siskiyou, Shasta, Modoc, and...

Posted on Monday, December 4, 2017 at 2:00 PM

It’s time for DPR license and certificate holders to renew—get units via online courses from UC IPM

November has arrived, and before you know it we'll be ringing in 2018! For those who hold a license or certificate from the Department of Pesticide Regulation (DPR), and have a last name starting...

Posted on Tuesday, November 7, 2017 at 1:05 PM

2017 Kearney Alfalfa and Forage Field Day Presentations Now Available On-Line

As the alfalfa hay harvest season wraps up and we get in gear to attend the November 2017 Western Alfalfa and Forage Symposium in Reno, NV, we're making the presentations and handouts from the 2017...

Posted on Tuesday, October 24, 2017 at 8:00 AM
Tags: Alfalfa (28), Corn (2), Fertility (2), forage (3), IPM (11), Irrigation (4), Sorghum (4)

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