http://www.croplife.com/crop-inputs/herbicides/six-rs-of-herbicide-resista...
Feb 13, 2012 ... We have glyphosate-resistant horseweed (a.k.a. marestail) in a number of areas
throughout the state, glyphosate-resistant giant ragweed that ...
http://www.croplife.com/crop-inputs/page/84/
From the South to the Midwest and to the Southwest, weeds, such as Palmer
amaranth, horseweed and. Dow AgroSciences Launches Rebrand, Visual
Identity.
http://www.croplife.com/crop-inputs/herbicides/how-to-manage-herbicide-res...
Sep 8, 2011 ... Many observations have been made recently that waterhemp and horseweed are
frequently appearing in corn and soybean fields across ...
http://www.croplife.com/editorial/eric_sfiligoj/resistant-weed-management-...
May 11, 2012 ... By then, the horseweed in my corn fields was five feet tall. Now I know that
spraying horseweed this tall with glyphosate won't do much, but it ...
http://www.croplife.com/crop-inputs/herbicides/dow-agrosciences-announces-...
Jan 18, 2013 ... ... System concepts on our most problematic weed species such as glyphosate-
resistant waterhemp and horseweed (also known as marestail),” ...
http://www.croplife.com/crop-inputs/herbicides/new-herbicide-resistant-wee...
Aug 27, 2012 ... ... considering that Ohio already has healthy populations of glyphosate-resistant
marestail (also known as horseweed), giant ragweed, common ...
Weeds: The Fearsome Five | CropLife
http://www.croplife.com/special-reports/weed-resistance/top-5-weeds-the-fe...
Oct 1, 2013 ... HORSEWEED/MARESTAIL | Conyza canadensis • One of the most common
weeds in eastern and central parts of U.S. • Well-adapted to no ...
http://www.croplife.com/crop-inputs/herbicides/weeds-an-ongoing-battle/
Aug 31, 2011 ... These include common ragweed, giant ragweed, hairy fleabane, common
waterhemp, Italian ryegrass, and marestail (or horseweed), which ...
http://www.croplife.com/crop-inputs/herbicides/two-retailers-recognized-fo...
Feb 14, 2011 ... ... of year-round emphasis on controlling glyphosate-resistant Palmer pigweed,
horseweed and Italian ryegrass with multiple modes of action.
When Weed Control Goes Wrong | CropLife
http://www.croplife.com/special-reports/weed-resistance/when-weed-control-...
Oct 1, 2013 ... Cases of glyphosate resistant horseweed have resulted in a net increase in
production costs of just over $70 per acre in Tennessee soybeans.