Posted 1/8/2010 23:29 (#1012165 - in reply to #1012144) Subject: RE: Glyphosate and manganese defeciancy in corn.
West Central Oklahoma
i've had temporary yellowing of cotton leaves due to glypho. chemical guy said it had something to due with it interfering with manganese in some way in the plant. lasted a few days and cleared up. i really can't say it affected yield as it was only scattered plants across the field.