2014
Controlling Volunteer Roundup Ready (RR) Canola Control with pre-Emergent Herbicides
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Contributor/Checkoff:
North Dakota Soybean Council
Category:
Sustainable Production
Keywords:
AgricultureCrop protectionHerbicide
Parent Project:
Controlling volunteer Roundup Ready canola and evaluating the micro-rate concept in soybean
Lead Principal Investigator:
Richard K Zollinger, North Dakota State University
Co-Principal Investigators:
Project Code:
Contributing Organization (Checkoff):
North Dakota Soybean Council
(n/a)
Institution Funded:
North Dakota State University
(n/a)
Brief Project Summary:

The purpose of these experiments was to evaluate herbicide activity on Roundup Ready canola applied pre-emerge (PRE), and post-emerge (POST) at the 3.2 and 4.1 growth stage. Growers have adopted the Roundup Ready (RR) crop technology to manage weeds with glyphosate, while maintaining crop safety. Without the incorporation of additional herbicides in a given cropping system, volunteer RR crops can provide additional weed management issues. Data has indicated that volunteer RR canola can be controlled at earlier stages, but at advanced stages, control becomes more difficult. With the ever changing weather conditions from year to year, having several options available for growers (including...

Unique Keywords:
#weed control, #weed research
Information And Results
Final Project Results

ALS herbicide (Group 2) mechanism of action herbicides and metribuzin either applied alone or in combination gave good to excellent canola control. These herbicides include: SureStart flumetulam), Authority Assist (sulfentrazone imazethapyr), Authority MTZ (metribuzin), Boundry (metribuzin), and Gangster FirstRate, Resolve, DPX 1-2-1, and Instigate.

In addition, Zidua at rates greater than 4 ounces per acre and Fierce (Valor + Zidua) also gave complete control of canola.

Herbicides that were ineffective in canola control were: Sharpen, Broadaxe, Valor, 2,4-D, dicamba, and Camix. This information will help soybean growers obtain adequate and season-long control of volunteer that may emerge in their soybean fields.

The United Soybean Research Retention policy will display final reports with the project once completed but working files will be purged after three years. And financial information after seven years. All pertinent information is in the final report or if you want more information, please contact the project lead at your state soybean organization or principal investigator listed on the project.