Glyphosate at 1800 g a.e ha-1 significantly lowered weed density and weed dry weight.

glyphosate · weed · Zea mays (maize)Positive and negative results

32 papers in the same direction as this claim · 5 in the opposite direction · 3 reporting no difference from an alternative

1. negative
   Weed densities were greater under the minimum treatment than under the IWM or conventional treatments in all crops.

   Evaluation of alternative weed management systems in a modified no-tillage corn–soybean–winter wheat rotation: weed densities, crop yield, and economics · 2002 · compared with IWM or conventional treatment

   Opposite direction

2. negative
   Glyphosate alone reduced weed control in crimson clover.

   Control of Legume Cover Crops in No-Till Corn (Zea mays) and Cotton (Gossypium hirsutum) · 1990

   Opposite direction

3. no effect
   Adding Crop Booster to glyphosate did not affect weed control or corn yield in the main comparison.

   Effect of Biostimulants Added to Postemergence Herbicides in Corn, Oats and Winter Wheat · 2015

   Opposite direction

4. negative
   The mixtures increased the number of dominant weeds.

   The Growth and Yield of Sweet Corn under Minimum Tillage Technology by Using Various Doses of Herbicide Mixtures of Glyphosate and 2,4-D · 2019

   Opposite direction

5. no effect
   Increased glyphosate rates did not significantly improve weed control in corn.

   Effect of Crimson® NG Adjuvant on Glyphosate Efficacy in Corn · 2024

   Opposite direction

6. no effect
   Adding 2,4-D to glyphosate did not improve weed control in corn.

   Combinations of Nonselective Herbicides for Difficult to Control Weeds in No-Till Corn,Zea mays, and Soybeans,Glycine max · 1988 · compared with glyphosate

   No difference from an alternative

7. no effect
   Glyphosate (Roundup Ready) treatments had no negative effect on weed infestation, communities or diversity in maize compared with local herbicide standards.

   Is there a Weed Shift in Roundup Ready Maize? (Poster Presentation at the 4^th International Workshop on PMEM of Genetically Modified Plants, Quedlinburg, Germany, 2010) · 2011 · compared with local herbicide standard

   No difference from an alternative

8. no effect
   Glyphosate treatments in Roundup Ready maize had no negative effect on weed infestation, communities or diversity compared with the local herbicide standard.

   Gibt es eine Verschiebung im Unkrautspektrum im Roundup Ready Mais-Anbau? (Poster-Beitrag beim 4. internationalen Workshop zum Anbaubegleitenden Monitoring von gentechnisch veränderten Pflanzen, Quedlinburg, Deutschland 2010) · 2011 · compared with local herbicide standard

   No difference from an alternative

32 papers more in this group