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ISSUE DATE: 01/16/2012

Herbicide resistance is a growing problem

By Jennifer Carrico

The development of herbicides has made management easier in crop production; however, it has also led to problems with some weeds developing resistance to these weed killers.

Iowa State University Extension Weed Specialist Mike Owen said the changes in Iowa agriculture over the past 30 years have led to different ways of managing crop production.

From aggressive tillage in the 1970s to the introduction of acetolactate synthase inhibiting herbicides in the 1980s and then the application of imidazolinone and sulfonyl urea herbicides on nearly all of the crop land, Owen said farmers have seen challenges because of some of these practices.

"Despite warnings that this production practice would result in significant problems, commercial agriculture continued with the unsustainable practice of using one type of herbicide exclusively, and the inevitable resistant weed problem evolved as predicted," he said.


NEWS

A passion ignited
Agricultural handbook available soon
Annie's Project comes to Ralston
Driving safety not limited by age
Extension employees honored
Extension offers diabetes success meeting
Farm food safety training offered
Finding income with no K-1
Forests begin with seedlings
Fremont County educator receives Extension award
Homestead Act document on display at Homestead National Monument
Iowa Farm Bureau sets priorities for legislative session
Iowa Farm Bureau supports fuel tax
ISU names microbiologist to direct Leopold Center for Sustainable Agriculture
January proclaimed Kansas Mentoring Month
Mississippi River Basin project proposals due March 19
NRCS announces funding opportunities
Specialists take renewable energy demonstration on the road
Study shows biochar can reduce greenhouse gas emissions
U.S. farming organization changing
USDA announces winners of the MyPlate Video Challenge
USDA reverses decision to cut agriculture reports

CROPS

Bacterial ring rot focus of webcast
'Big Rural Brainstorm' coming to Newton Feb. 3 to 4
Computer model to put Palmer amaranth in crosshairs
Cotton Genetics Research Award presented
Economist advises cotton growers to sell soon
Farmland drainage workshop to be held Jan. 30
Fire ants have 'aphid-ranching' skills that help them thrive
Herbicide resistance is a growing problem
Husker Ag SMARTS program to offer business management training
Irrigated corn achieves high yields with high energy efficiency
Land Application Training field day offered
National Spokesperson for Agriculture selected
Nebraska Soybean Board announces call for candidates
No-Till Oklahoma Conference will feature new topics and speakers
NSA names new executive director
Organic Farming Conference set for February
Position available on USB
Promoting for cotton's future
Shur-Co introduces 4500 Series electric motor
Soil Survey and Land Resource Workshop set for Feb. 4
South Dakota Soybean Association elects leaders
Soybean Board to meet Jan. 18 and 19
Study will focus on Return on Investment for soybean growers
Sugarbeets benefit from scientific support
Sunn hemp shows promise as biofuel source
Texas Peanut Producers Board announces biennial elections
UNL offers program for food entrepreneurs
USB offers See for Yourself program
USDA announces Cotton Board appointments

LIVESTOCK

AgriLife Extension offers youth veterinary medicine program
Applications for Colorado Extreme Mustang Makeover due Jan. 30
ASA reviews top 10 sheep stories of 2011
AYHC presents updates to its Horse Industry Handbook
Beef Industry Summit to celebrate 10th year
Black Hills Stock Show hosts shearers contest
Contest tests students' bison knowledge
CSU names new dean for veterinary college
Donation boosts renowned CSU equine program
EZid announces electronic ear tag for cattle
Farmers and Ranchers Cow/Calf College offered
Four State Beef Conference is Jan. 24
Get more out of vaccine investment with proper management
Improperly heated barns may cause horse health problems
Increasing profits on your ranch
Kansas sees economic boost from veterinary partnership
KCA congratulates Kansas appointees to the Cattlemen's Beef Board
Limousin announces Top 10 Limousin sires
Montana Cowboy Hall of Fame extends nomination deadline
Proper sanitation key for effective vaccinations
Reports of trichomoniasis continue in Kansas
Roto-Mix 1355 HDS helps dairy producer
RSNC Kansas State Finals to be held Jan. 21
Sandhills Cattle Association Ranch Tour set for Jan. 21
Severity of winter may affect calf birth weights
Storing colostrum for optimum passive immunity
Top Limousin producers recognized
USCA applauds senators' initiative
Withholding forage before exercise: Debunking a harmful myth

EDITOR

Making waves
The tale of two intertwined industries
USDA's blueprint

COLUMNS

Appreciating abilities
Just a scoop full
Organizing the un-organizable
Plot tours show in-field results
Shining stars among us
What's on the horizon for agriculture in 2012?

MARKETS

Ada livestock auction report
Amarillo livestock auction report
Apache livestock auction report
Arkansas livestock auction summary
Below normal temps across state
Clovis livestock auction report
Colorado feeder cattle summary
Dalhart livestock auction report
Denison feeder cattle auction report
Dodge City cattle sales report
Dunlap feeder cattle report
Ericson livestock auction report
Ft. Smith livestock auction report
Georgia livestock auction report
Grain market close
Grains start week with solid gains
Hay trade mixed
Hay trade moderate
High Plains slaughter news
Iowa sees above normal temps, below normal snowfall
Joplin regional cattle sales report
Lexington livestock market report
McAlester livestock auction report
Newell sheep sales report
North Arkansas livestock auction
Ogallala livestock auction report
Pratt 3 p.m. cattle sales report
Pratt livestock auction report
Salina livestock auction report
San Angelo livestock auction report
South Central direct sheep sales
Springfield livestock sales report
Tama feeder cattle auction report
Texas Direct feeder cattle summary
Tulia livestock auction report
Tulsa livestock auction report
West Plains regional cattle sales report
Woodward livestock auction report

RANGE

Alfalfa valuation tool to debut at conference
Compliance with Highly Erodible Land and Wetland Conservation provisions required for payment
Grassland Reserve Program applications due Jan. 25
Landowner honored for conservation efforts
Plan now to reduce potential forage losses
Prescribed burning workshops planned
Range, crops, landscaping among topics at WESTI Ag Days

FAMILY

4-H program starts farmers market
4-H robotics team receives grant
A Paradox-By Joe Kreger
Assembling a disaster kit
Beyond the scoop
Bryson's many features make it appealing
Consider how much to save
Easy to make flat out good bread
FFA 'border war' at Western Farm Show to benefit food pantries
Gophers, moles, and voles
Happy New Year to a new you
Helpful household tips
Homeowners urged to change alarm batteries annually
Horticulturist: 'Facts' about acorns, oaks cause confusion
Informational waterfowl meetings scheduled
Keep poinsettias blooming till May
KFAC hosts annual Post Card Art Contest
Lowering food costs begins at home
Meditation for 1-16-12
Ornamental plant and turf conference set for Jan. 19
Outdoor recreation grants available
Preparation key to post-disaster financial recovery
Protein essential to a healthy body
Revitalizing old fruit trees
Save when buying appliances
Stark Fine Dining
Staying safe on ice in winter
Storing, reheating food safely
Turfgrass workshop planned
Two Buttes 4-Her selected for IFYE program
Waynoka FFA teams up to can hunger
Wood ashes can be used in garden

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