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Dr. Dave Minner, Iowa State University Turf Grass Extension Educator, performed a field trial to learn the effects of herbicide application (broad leaf control) associated with the seed germination.
This test did not follow recommended label instructions, off-label application, on 5 different products.
He was trying to determine whether there were adverse impacts to seed germination and plant growth.
Dr. Minner is looking for time saving steps to help sports turf managers because of the limited opportunities and time to establish a new seed bed, reseed/overseed areas of turf while still controlling broadleaf weeds.
His findings showed that there were almost no impact to seed germination when herbicide is applied at the time of seeding. Two products showed some impact to seed germination when the herbicide is applied 7 days after seeding. There were no noticeable impacts to the seedings at 14 and 21 days after seeding with herbicide application.
A couple images are shown in a
photo album depicting the field trial.
To learn more about
Dr Minner's research and field trials check the ISU website.
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8:18 AM 
