Study: Preemergence Herbicides With Multiple Sites Of Action Critical For Optimal Control

With more than 60 million U.S. acres affected by glyphosate-resistant weeds and nearly every state affected by some form of resistant weeds, the challenge facing growers is increasing every year. In a 2013 survey of Midwest growers, BASF found that 76% will be changing their weed management strategies in 2014 to address this ongoing issue.

To help determine the best strategies for combatting weed resistance, BASF scientists continue to research solutions to help growers achieve optimal weed control. In a recent Verdict herbicide study, BASF reaffirmed the importance of using a preemergence herbicide with multiple sites of action.

Multiple Sites of Action

BASF scientists tested the effectiveness of Verdict herbicide for control of weeds in preemerge and preplant applications. Verdict herbicide, powered by Kixor herbicide technology, combines the active ingredients in Outlook herbicide and Sharpen herbicide to provide two sites of action.

“There are two key reasons for choosing products that use multiple effective sites of action,” said Mark Oostlander, Technical Market Manager, Herbicides, for BASF. “The first is better weed control in general and the second is superior control of resistant weeds.”

Oostlander explained that if there is a weed resistant to one of the sites of action, having two or more provides backup to ensure the weed is controlled and prevents it from going to seed.

To show a living demonstration of these advantages, scientists conducted a greenhouse trial where they took soil and weed seeds – foxtail, common waterhemp and common ragweed – from fields throughout the U.S. and grew weeds in four separate pots. They then applied a different herbicide to each of the pots; one with Outlook herbicide, one with Sharpen herbicide and one with Verdict herbicide. The fourth pot was left untreated. The multiple sites of action in Verdict herbicide proved to have the most complete control on all three of the weeds planted.

“From a scientific perspective, we understand how critical having multiple sites of action is for controlling and preventing resistant weeds, but it’s hard to really show that to people,” said Chad Brommer, Herbicides Biologist for BASF. “So in this case, a picture is worth a thousand words. The study visually shows the strengths and weaknesses of using just one site of action compared to using multiple sites of action.”

Residual Control

To show the importance of using a preemerge herbicide like Verdict herbicide, which includes long-lasting residual control, BASF scientists conducted the same greenhouse trial two weeks apart. Four weeks after the first trial started, the soil still remained weed-free, reaffirming the benefits of using a preemergence herbicide for clean fields.

“Applying a preemerge herbicide with residual control also plays a critical role in controlling weeds,” said Oostlander. “This is because weeds can be controlled for weeks after applying the herbicide.”

The Complete Weed Control Plan

Verdict herbicide is one of many BASF products that are a part of the Advanced Weed Control program. Advanced Weed Control provides growers with an extensive weed control portfolio and best management practices for efficient application and the most complete control.

To learn more about multiple effective sites of action, watch the video below:

For more information about the BASF herbicide portfolio, visit the Advanced Weed Control Website. The Website provides growers with the latest expert information, recommendations and insights on effective weed control, including videos from local agronomists and weed scientists discussing strategies specific to geographies across the Midwest and South.

SOURCE: BASF news release

Topics:

Leave a Reply

Crop Inputs Stories

HerbicidesScouting Key To Next Season’s Soybean Herbicide Program
August 12, 2014
When growing soybeans, growers need to think ahead to stay one step ahead of weeds. That means examining weed threats and evaluating which herbicides work best. Read More
Seed/BiotechSyngenta Delivers Two New Winter Wheat Varieties To Eastern Corn Belt
August 6, 2014
Adding to its portfolio of AgriPro brand wheat varieties, Syngenta introduces SY 007 and SY 474 soft red winter wheat varieties. Read More
Aerial view of the West Fertilizer explosion site
FertilizerFertilizer Companies Blame City For West, TX, Explosion
August 6, 2014
El Dorado Chemical Co. and CF Industries contend the city failed to properly train the first responders and had insufficient protocols in place to battle the April 17, 2013, blaze at West Fertilizer Co. that triggered the explosion. Read More
FungicidesResearchers Target Soybean Disease With Genetic Resistance Study
August 6, 2014
University of Illinois researchers will share new information on controlling sudden death syndrome through genetic resistance at this year's Agronomy Day. Read More

Trending Articles

EquipmentAdvance Your Technology IQ At MAGIE
August 13, 2014
The Midwest AG Industries Exposition (August 20-21) is the place you need to be to see, study and evaluate how new advances in the equipment, operations, crop protection and fertility sectors can help your business prosper. Read More
HerbicidesScouting Key To Next Season’s Soybean Herbicide Program
August 12, 2014
When growing soybeans, growers need to think ahead to stay one step ahead of weeds. That means examining weed threats and evaluating which herbicides work best. Read More
StewardshipMichigan Agriculture Leaders On Toledo Water Ban: We Want To Be Part Of The Conversation
August 8, 2014
Leaders of Michigan agricultural organizations said Thursday that the government should not have a “knee-jerk reaction” based on last weekend’s water ban in Toledo due to fertilizer run-off in Lake Erie. Read More
CropLife 100BRANDT Acquires Lemon Ag Services
August 4, 2014
The acquisition of Lemon Ag fits BRANDT’s aggressive corporate strategy of providing superior agronomic advice and services for customers in central Illinois. Read More
Eric SfiligojThe Resurgence Of Crop Protection
August 4, 2014
Plenty of new offerings over the next few years should see a rebirth for the crop protection products category in terms of market share. Read More
LegislationUSDA Implements Key Farm Bill Crop Insurance Provision
July 30, 2014
The new Supplemental Coverage Option, available through the federal crop insurance program and set to begin with the 2015 crop year, is designed to help protect producers from yield and market volatility. Read More

Latest News

ManagementNCGA DuPont New Leaders Program Enters Sophmore Season
August 20, 2014
The National Corn Growers Association and DuPont are pleased to announce the second year of the NCGA DuPont New Leaders Program. Read More
FungicidesVerdesian Links Up With Mitsui, Hokusan
August 20, 2014
Mitsui Chemicals Agro, Inc., and Hokusan Co., announced the signing of an exclusive licensing agreement allowing Verdesian Life Sciences global access to its patented technology for suppressing mycotoxin contamination in wheat and barley. Read More
SprayersUniversity Of Illinois Introduces New Spray App
August 18, 2014
University of Illinois Extension has released a new smartphone app for making sprayer-related calculations. Pesticide Spray Calculator, or Spray Calc, Read More
Crop InputsSyngenta Names New Manager Of Federal Government Relati…
August 18, 2014
Laura Wood Peterson has joined Syngenta as manager of federal government relations, based in Washington, DC. Read More
ManagementExpert To Discuss Farmland Value, Rent At Farm Science …
August 18, 2014
While cropland values in Ohio increased in the past two years, they have remained flat in 2014, declining in some cases, according to an Ohio State University agricultural economist. Read More
EquipmentDeere Announces Factory Layoffs
August 18, 2014
Deere & Co. has announced it will reduce the size of its manufacturing workforce at some agricultural equipment factories in response to current market demand for its products. Read More
HerbicidesNew DuPont Afforia Herbicide Gives Crops A Clean Start
August 18, 2014
DuPont Afforia is a preplant herbicide for soybeans and other field crops that provides excellent burndown and residual control of many challenging weeds, such as marestail and waterhemp. Read More
Equipment21 Products Showcased At MAGIE 2014
August 18, 2014
The annual Midwest AG Industries Exposition is upon us. Here is CropLife IRON's look at some of the products visitors can expect to see at this week's event. Read More
EquipmentAGCO Seeks Nominations For 2014 Operator Of The Year
August 15, 2014
Ag retailers throughout the U.S. and Canada are encouraged to nominate their best applicators. Read More
EquipmentAdvance Your Technology IQ At MAGIE
August 13, 2014
The Midwest AG Industries Exposition (August 20-21) is the place you need to be to see, study and evaluate how new advances in the equipment, operations, crop protection and fertility sectors can help your business prosper. Read More
ManagementCropLife’s Buyers’ Guide Issue Now Availabl…
August 13, 2014
One of our most read issues of the year — the August Buyers' Guide — is ready to download on the iPad. This popular issue features equipment for "In The Field," "At The Plant" and "In The Office." Read More
WebinarsWebinars On Demand
August 13, 2014
Register for one of our upcoming Webinars or access our archive of past Webinars to view recordings of presentations that may be of interest to you. Read More
HerbicidesBASF: Fall Burndown Benefits Go Beyond Weed Control
August 12, 2014
While unpredictable weather may delay application timing of spring herbicides, more growers are adding a burndown application in the fall Read More
HerbicidesScouting Key To Next Season’s Soybean Herbicide P…
August 12, 2014
When growing soybeans, growers need to think ahead to stay one step ahead of weeds. That means examining weed threats and evaluating which herbicides work best. Read More
StewardshipNitrogen Efficiency Supports Environmental Stewardship
August 12, 2014
As growers prepare for another harvest, it’s important to consider how nitrogen stabilization not only supports healthy plant growth but also fosters environmental stewardship. Read More
Seed/BiotechMycogen Seeds Introduces 19 New Corn Hybrids For 2015
August 12, 2014
Many of the new hybrids feature Mycogen's SmartStax Refuge Advanced technology for maximum protection of the genetic potential and planting convenience. Read More
HerbicidesDow AgroSciences Introduces Enlist Ahead App For Enlist…
August 12, 2014
Designed for use with the Enlist Weed Control System, the app is a precision agriculture tool for maximizing weed control performance, managing weed resistance and making responsible applications of Enlist Duo herbicide with Colex-D Technology. Read More
CropLife 100CHS Announces Senior Leadership Team Changes
August 12, 2014
Current CHS strategic leadership team member Shirley Cunningham will assume a new role as executive vice president and chief operating officer, Ag Business and Enterprise Strategy. Read More