Posted 3/20/2008 05:39 (#337679 - in reply to #337567) Subject: Re: Round up Ready Johnsongrass !
Lancaster, OH
It amazing. Glyphosate has been used since 1976 or so for control and it took 30 years or so to find a plant with resistance and then for it to spread in this weed which was a primary target for the product. ALS resistance in this took what, 10 years?
Round up Ready Johnsongrass !
