The seed bag will prominently display the Roundup Ready logo. Some seed companies will apply a dye to Roundup Ready seed to provide a visual reminder. Flag or mark Roundup Ready soybean fields at planting. Remember that this type of marker can be lost. Permanent landmarks should be used to backup this method.
Some seed companies provide flags with the seed purchase.
If you are not sure or records are not available, a small area can be sprayed with Roundup Ultra to establish their tolerance. To conduct the test, spray several areas within the field and mark them with a flag or marker. Always treat a few weeds at the same time to validate that an appropriate dose was tested. Before Application Because of the outstanding crop safety associated with this technology, contamination of the Roundup Ultra solution with low doses of other herbicides may be readily seen. The most pronounced effects are from corn herbicides such as triazines, sulfonyl ureas and phenoxy type herbicides such as Banvel .