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ISSUE DATE: 05/05/2014

Bt corn refuge discussions continue

By Larry Dreiling

wo years ago, some of the top university entomologists in the United States said it was critical that farmers alter their planting decisions to cope with the 2009 discovery of field-evolved corn rootworm resistance to a Bt

transgenic corn hybrid in the continental U.S.

This “group of 22” also told the Environmental Protection Agency that reducing the resistance situation must occur through an integrated approach toward effective long-term corn rootworm management and sustainable use of

Bt hybrid technology that is not overly reliant on any single tactic.

Currently, there are Bt

varieties that use three different genes that act as toxins for corn rootworm. It was in Bt hybrid expressing the Cry3Bb1 gene (developed by Monsanto under the trade named YieldGard RW) that was first shown in 2009 to have greater than expected rootworm damage.

By 2011, the scientists wrote, problem areas had been reported in northwestern and north-central Illinois, northeastern Iowa, southern Minnesota, northeastern Nebraska, and eastern South Dakota. Common features of affected fields in these areas included a history of continuous planting to corn and the use of Cry3Bb1-expressing hybrids for multiple years.


Century-old sod wall highlight for researchers, students
Discovery Center Foundation honors university as a Friend of the Flint Hills
EPA's McCarthy seeks ag friends
GMO labeling bill introduced in Congress
Interest in local food causing a stir, changing habits
Keep food safe during power outages
KRural kids seen as more obese, study shows
Legislation aimed at preventing copper wire thefts will not be passed in 2014
Low-interest home loans available through USDA program
Monitor nitrates in water
NeFU board calls on state's congressional delegation to endorse, advocate passage of the wind energ
Oklahoma State names Thomas Coon to lead agricultural sciences, natural resources
RMA answers questions on cover crop management
Rural Internet, cell phone use nearly equal to urban use, study says
USDA announces $150M investment fund to grow small businesses, create jobs in rural America


Agribusiness industry selects college scholarship recipients
Ark City Chamber of Commerce to have grant-writing seminar
Bt corn refuge discussions continue
Canola producers waiting for rain
Cleveland County Ag Day set June 7
Colorado Department of Agriculture leads successful trade missions
Corn consumption continues to exceed projections
Cover crops improve long-term soil health
Facility to fit needs of central Kansas grain producers
Kansas Soybean helps launch African, Hispanic foods containing U.S. soy
K-State Crops Team edges Iowa State to win national contest
KSU-ARCH celebrates Roundup centennial
New commissioners elected to Kansas Commodity Commissions
Oklahoma Wheat Commission to hold District IV election
Proper sorghum management increases yields
Teacher of the year, regional awards deadline is June 18
Winter canola thrives in eastern Oklahoma


6 counties win awards for membership activity
Beef Cattle Economics webinar set May 6
Beef Cattle Institute offers new animal handling training modules
BQA certification important part of the beef sector
Cattle industry responds to USDA proposal to import Brazilian beef
Despite supply concerns, beef exports off to solid start in 2014
EHV-1 case confirmed in Kansas
Grund awarded Cattlemen's Scholarship
Iowa Swine Day June 26 to tackle topics of interest to pork industry
Montana Stockgrowers Association brings back the Top Hand Club
More positive trichomoniasis cases confirmed in Kansas
NCBA, KLA oppose USDA rule to allow fresh beef from parts of Brazil
NCBA, PLC accepting applications for public policy internship
Nebraska State Fair luanches two new cattle shows
Program designed to reward good genetic and management practices
Promotion increases number of BQA-certified producers
Red Angus releases Choice+ grid with Tyson Foods
Wichita runner completes Boston Marathon as part of Team BEEF


Faith in our community and American agriculture
Guarding against the overreach of the Endangered Species Act
Presidential pandering
Reader disagrees with Loos' support of Bundy


A closer look at waste, fraud and abuse at USDA
Hanging up the phone
Seed company adds to corn product line
Study wars
The cost of education
Wind is story of our lives


Amarillo livestock sales summary
Corn planting progressing Missouri
Dodge City livestock sales report
Georgia livestock auction summary
Grain market close
Grains close higher
Hay moving slow to moderate
Hay trade steady to slow in some areas
High Plains slaughter news report
Irrigated wheat rated in good condition New Mexico
Joplin livestock auction report
North Arkansas livestock auction report
OKC West livestock sales report
Pratt 3 p.m. livestock auction report
Precipitation widespread across state Arkansas
Salina livestock auction report
Severe weather moved across state Oklahoma
Some corn planting before rains Kansas
Springfield livestock market report
Tulia livestock market report
Tulsa livestock sales report
Weather affects much of state Texas
West Plains regional cattle sales report


Minimize poor grazing distribution by placing salt away from water sources
Specialist discusses how lesser prairie-chicken listing will affect producers


3 easy tips for spring-flowering bulbs can help ensure future blooms
Be on the lookout for termites
Bored with marriage
Clover mites begin home invasion as weather warms
Conserving water in the landscape
Grill season side dishes
Growing tomatoes in the garden
New ornamental tung tree available
Southwestern San Carlos inviting

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