More Gylphosate Resistance
Apr 1, 2008 12:00 PM
The University of Arkansas and Monsanto have confirmed glyphosate-resistant johnsongrass in a field in southeast Arkansas.?Monsanto and Mississippi State University have confirmed another case near Clarksdale, MS.
In initial greenhouse trials conducted by the University of Arkansas and Monsanto, johnsongrass was not controlled with labeled rates of glyphosate. Additional trials will be conducted in the field this season.
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