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OSU Winter Crops Herbicide Symptomology Clinic set for Nov. 3

Sunday, October 15, 2017

Agricultural producers looking to be get a firsthand look at key visual symptoms of common herbicides on winter wheat and canola should plan now to attend the Nov. 3 Oklahoma State University Winter Crops Herbicide Symptomology Clinic in Stillwater.

There is no cost to attend the 9 a.m. clinic, with activities geared toward farmers and ranchers of all experience levels. Coffee and donuts will be provided free-of-charge beginning at 8:30 a.m. during on-site registration.

The clinic will take place at the OSU Division of Agricultural Sciences and Natural Resources’ Agronomy Research Station, a prominent Stillwater landmark located at the corner of State Highway 51 and Western Avenue on the west side of campus. The main entrance is off State Highway 51.

“Participants should think of the clinic as one-stop shopping: They will be able to see the differing effects of herbicides on crops planted at the OSU Agronomy Farm, in addition to getting the latest information about what herbicides are labeled for use in what crops, what weeds the herbicides kill and their plant-back restrictions,” said Misha Manuchehri, OSU Cooperative Extension weed specialist for small grains and canola.

Manuchehri added there are a great many herbicides available on the market, and so attending the clinic is beneficial if only to get a timely refresher.

“It can be difficult to keep track of all the trade names, common names and new formulations,” she said. “Research-based knowledge is always beneficial when it comes to making operational decisions, especially in terms of input costs. Most producers’ profit-loss margins are fairly tight. Nobody has money to waste.”

On-site demonstrations will include common pre-emergence and post-emergence herbicide symptomology led by experts Manuchehri; David Marburger, OSU Cooperative Extension small grains specialist; and Josh Lofton, Oklahoma State University Cooperative Extension cropping systems specialist.

In addition, Todd Baughman, program leader for the OSU Institute of Agricultural Biosciences in Ardmore, will provide an herbicide technology update and John Long, OSU Cooperative Extension agricultural engineer, who will discuss the importance of tank cleanout.

“With new auxin-tolerant crops here, it is critical we practice good herbicide stewardship,” Manuchehri said.

Anyone seeking additional information about the Nov. 3 clinic should contact Manuchehri by email at or by phone at 405-744-9588.

DASNR is comprised of the College of Agricultural Sciences and Natural Resources and the university’s two state agencies: the Oklahoma Agricultural Experiment Station system and the Oklahoma Cooperative Extension Service.

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