Abstract
Field studies were conducted in 1996 and 1997 at three locations throughout southern Ontario with the objective of developing dose-response curves of RPA 201772 for weed control and crop tolerance in corn. The biologically effective doses required to control redroot pigweed, velvetleaf, and wild mustard were 100, 90, and 80 g/ha, respectively. Yellow foxtail was controlled with 100 to 120 g/ha, while rates for common lambsquarters varied from 60 to 130 g/ha, depending on the year and location. Wild buckwheat control was poor (> 30%) at all of the doses tested. RPA 201772 did not reduce corn grain yield; however, temporary crop injury was evident on coarse sandy soils.
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Claims 8
Claim · model-written summary
Redroot pigweed control required 100 g/ha RPA 201772.
- Treatment
- RPA 201772t0
- Interactor
- redroot pigweede0weed
- Outcome
- control redroot pigweede0
- Direction
- controle0
- Value
- 100e0
Not reportedTaxonComparator
Verbatim
e0“biologically effective doses required to control redroot pigweed, velvetleaf, and wild mustard were 100, 90, and 80 g/ha, respectively”
t0“RPA 201772”
Claim · model-written summary
Velvetleaf control required 90 g/ha RPA 201772.
- Treatment
- RPA 201772t0
- Interactor
- velvetleaf
Abutilon theophrastie0weed - Outcome
- control redroot pigweed, velvetleafe0
- Direction
- controle0
- Value
- 90e0
Not reportedTaxonComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“biologically effective doses required to control redroot pigweed, velvetleaf, and wild mustard were 100, 90, and 80 g/ha, respectively”
t0“RPA 201772”
Claim · model-written summary
Wild mustard control required 80 g/ha RPA 201772.
- Treatment
- RPA 201772t0
- Interactor
- wild mustarde0weed
- Outcome
- control redroot pigweed, velvetleaf, and wild mustarde0
- Direction
- controle0
- Value
- 80 g/hae0
Not reportedTaxonComparator
Verbatim
e0“biologically effective doses required to control redroot pigweed, velvetleaf, and wild mustard were 100, 90, and 80 g/ha, respectively”
t0“RPA 201772”
Claim · model-written summary
Yellow foxtail was controlled at 100 to 120 g/ha.
- Treatment
- 100 to 120 g/hae0
- Interactor
- Yellow foxtail
Setaria pumilae0weed - Outcome
- Yellow foxtaile0
- Direction
- controllede0
- Value
- 100 to 120 g/hae0
Not reportedTaxonComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yellow foxtail was controlled with 100 to 120 g/ha”
Claim · model-written summary
Common lambsquarters control rates varied from 60 to 130 g/ha by year and location.
- Treatment
- 60 to 130 g/hae0
- Interactor
- common lambsquarters
Chenopodium albume0weed - Outcome
- common lambsquarterse0
- Direction
- variede0
- Value
- 60 to 130 g/hae0
Not reportedTaxonComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rates for common lambsquarters varied from 60 to 130 g/ha, depending on the year and location”
Claim · model-written summary
Wild buckwheat control was poor at all tested doses.
- Treatment
- doses testede0
- Interactor
- Wild buckwheat
Fallopia convolvuluse0weed - Outcome
- Wild buckwheat controle0
- Direction
- poore0
- Value
- > 30%e0
Not reportedTaxonComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wild buckwheat control was poor (> 30%) at all of the doses tested”
Claim · model-written summary
RPA 201772 did not reduce corn grain yield.
- Taxon
- corn
Zea mays subsp. mayse0 - Treatment
- RPA 201772e0
- Outcome
- corn grain yielde0
- Direction
- did not reducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“RPA 201772 did not reduce corn grain yield”
Claim · model-written summary
RPA 201772 caused temporary corn injury on coarse sandy soils.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- RPA 201772e0
- Outcome
- crop injurye0
- Direction
- evidente0
- Setting
- coarse sandy soilse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“RPA 201772 did not reduce corn grain yield; however, temporary crop injury was evident on coarse sandy soils”
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