Abstract
Field experiments were conducted in 2013, 2014, and 2015 in Columbia and Moberly, Missouri to determine the effects of cereal rye, Italian ryegrass, winter wheat, winter oat, crimson clover, Austrian winterpea, hairy vetch, oilseed radish, and cereal rye plus hairy vetch on winter and summer annual weed emergence in soybean. For comparison purposes, each experiment in each year included a Fall PRE, Spring PRE without residual, and Spring PRE residual herbicide programs. Cereal rye and cereal rye plus hairy vetch reduced winter annual weed emergence by 72 and 68%, respectively, but were not comparable to the Fall PRE which reduced winter annual weed emergence by 99%. The following spring, early-season waterhemp emergence was similar among treatments of cereal rye, cereal rye plus hairy vetch, and the Spring PRE residual herbicide program. In contrast, all cover crop species other than Italian ryegrass reduced late season waterhemp emergence between 21 and 40%, but were not comparable to the Spring PRE residual herbicide program, which reduced late season waterhemp emergence by 97%. All other summer annual weeds excluding waterhemp showed a similar response among cover crop and herbicide treatments. Overall, results from this experiment indicate that certain cover crops are able to suppress winter and summer annual weed emergence, but not to the extent of soil-applied residual herbicides.
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Claims 7
Claim · model-written summary
Cereal rye reduced winter annual weed emergence by 72%.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- Cereal ryee0
- Interactor
- weede0weed
- Outcome
- winter annual weed emergencee0
- Direction
- reducede0
- Value
- 72e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cereal rye and cereal rye plus hairy vetch reduced winter annual weed emergence by 72 and 68%, respectively”
t0“Soybean”
Claim · model-written summary
Cereal rye plus hairy vetch reduced winter annual weed emergence by 68%.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- cereal rye plus hairy vetche0
- Interactor
- weede0weed
- Outcome
- winter annual weed emergencee0
- Direction
- reducede0
- Value
- 68%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cereal rye and cereal rye plus hairy vetch reduced winter annual weed emergence by 72 and 68%, respectively”
t0“Soybean”
Claim · model-written summary
Fall PRE reduced winter annual weed emergence by 99%.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Fall PREe0
- Interactor
- weede0weed
- Outcome
- winter annual weed emergencee0
- Direction
- reducede0
- Value
- 99%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the Fall PRE which reduced winter annual weed emergence by 99%”
t0“Soybean”
Claim · model-written summary
Early season waterhemp emergence was similar with rye, rye plus vetch, and residual spring herbicide.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- waterhempe0weed
- Outcome
- early-season waterhemp emergencee0
- Direction
- similare0
- Comparator
- Spring PRE residual herbicide programe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early-season waterhemp emergence was similar among treatments of cereal rye, cereal rye plus hairy vetch, and the Spring PRE residual herbicide program.”
t0“Soybean”
Claim · model-written summary
Cover crops other than Italian ryegrass reduced late season waterhemp emergence by 21 to 40%.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- all cover crop species other than Italian ryegrasse0
- Interactor
- waterhempe0weed
- Outcome
- late season waterhemp emergencee0
- Direction
- reducede0
- Value
- between 21 and 40%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all cover crop species other than Italian ryegrass reduced late season waterhemp emergence between 21 and 40%”
t0“Soybean”
Claim · model-written summary
The spring residual herbicide program reduced late season waterhemp emergence by 97%.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Spring PRE residual herbicide programe0
- Interactor
- waterhempe0weed
- Outcome
- late season waterhemp emergencee0
- Direction
- reducede0
- Value
- 97%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the Spring PRE residual herbicide program, which reduced late season waterhemp emergence by 97%”
t0“Soybean”
Claim · model-written summary
Other summer annual weeds responded similarly among cover crop and herbicide treatments.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- summer annual weedse0weed
- Outcome
- responsee0
- Direction
- similare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All other summer annual weeds excluding waterhemp showed a similar response among cover crop and herbicide treatments.”
t0“Soybean”
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