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Wireworm Webinar Offered to Idaho& Washington Wheat Growers

2/15/2012

The Idaho Wheat Commission and the Washington Grain Commission will be presenting a web-based grower education seminar (webinar) on wireworm identification, damage and solutions.  

The webinar will be approximately one hour.  Participation is simple and free!  Log onto the website at http://connect.cals.uidaho.edu/wheat (requires Adobe Flash Player which is installed on most computers) and enter your name as a participant.

Friday, February 24, 8:00 a.m. MST – Guest Presenter Aaron Esser, Washington State University Extension will update participants on the latest research, scouting methods and appropriate grower response to the pest.

Wireworm populations and crop damage have been increasing in wheat (Triticum aestivum L.) production across eastern Washington and Idaho. Today nearly all spring cereal crop acres are treated for wireworms with neonicotinoid insecticides such as Cruiser® (thiamethoxam) or Gaucho® (imidacloprid). Neonicotinoids are toxic to wireworms but at sub-lethal doses, or in other words they repel or provide only seedling protection.

The webinar presented by Mr. Esser will focus on how to improve grain yield and profitability under wireworm pressure and reduce wireworm populations in the soil.

Esser will discuss his research on a series of large-scale on-farm tests (OFT) which were initiated in 2008 examining varied rates of Cruiser insecticide and a series of OFT examining a very high labeled rate of Gaucho insecticide to reduce wireworm populations in the soil. A series of small plot insecticide treatments have also been initiated examining multiple products with potential for control.

For those who cannot view the webinar in real time, it will be recorded and available at: www.idahowheat.org.

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Winter Wheat Production in Northwest Region Down 19 Percent from Last Year

Idaho planted 780,000 acres of winter wheat in 2014, unchanged from 2013. Harvested area, at 730,000 acres, is down 10,000 acres from 2013. Winter wheat production in Idaho is 58.4 million bushels, down 8 percent from last year with yield estimated at 80.0 bushels per acre, down 6.0 bushels per acre from 2013.

Idaho planted 480,000 acres of spring wheat in 2014, down 50,000 acres from 2013. Harvested area, at 455,000 acres, is down 55,000 acres from 2013. Spring wheat production in Idaho is 34.6 million bushels, down 12 percent from last year with yield estimated at 76.0 bushels per acre, down 1.0 bushel per acre from 2013.

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