Claim · model-written summary
Some UAN and herbicide combinations reduced wheat grain yields at North Platte.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- UAN was applied with 2,4-D ester, 2,4-D amine plus dicamba, or metsulfuron plus 2,4-D plus NISe0
- Outcome
- grain yieldse0
- Direction
- reducede0
- Comparator
- handweeded checke0
- Setting
- North Plattee0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“At North Platte in 1988–89, when UAN was applied with 2,4-D ester, 2,4-D amine plus dicamba, or metsulfuron plus 2,4-D plus NIS grain yields were reduced compared to the handweeded check on wheat planted Sept. 15”
Title
Gail A. Wicks; Duane A. Martin; Garold W. Mahnken Weed Science 1995. doi:10.1017/s0043174500081443
Other claims from this paper (17)
- Intervention effect Later September plantings raised wheat yield at North Platte.
- Intervention effect Later September planting raised wheat yield at Sidney.
- Intervention effect Spring UAN raised wheat grain yield at Sidney in 1988–89.
- Intervention effect UAN did not increase wheat grain yield at Sidney in 1987–88.
- Intervention effect UAN did not affect grain yield at North Platte.
- Intervention effect 2,4-D ester decreased grain yield at Sidney versus handweeding.
- Intervention effect 2,4-D amine plus dicamba decreased grain yield at Sidney.
- Intervention effect Metsulfuron plus NIS decreased grain yield at Sidney.
- Intervention effect Metsulfuron plus 2,4-D ester and NIS decreased grain yield at Sidney.
- Intervention effect Metsulfuron plus 2,4-D ester and NIS sometimes yielded less than metsulfuron plus NIS.
- Observation Herbicides reduced wheat yield on four of fifteen application dates.
- Association Wheat injury was related to stage and health at application.
- Association Stressed wheat was more susceptible to herbicide damage than healthy wheat.
- Intervention effect Metsulfuron controlled kochia, tumble thistle and redroot pigweed better than 2,4-D at North Platte.
- Intervention effect Metsulfuron plus 2,4-D controlled kochia, tumble thistle and redroot pigweed better than 2,4-D plus dicamba.
- Observation Metsulfuron treatments allowed summer annual grass weeds to grow.
- Intervention effect Sorghum yields were higher after wheat treated with three herbicides than after handweeding.