Abstract
Field experiments were conducted to determine wheat injury following clomazone application in soybeans and fallow in North Dakota. Clomazone at recommended rates generally caused 10% or less visible chlorosis in spring wheat planted 11 to 12 mo after application or winter wheat planted 11 mo after application, although greater chlorosis was observed in two of seven location/year environments. Tillage preceding wheat planting increased chlorosis from clomazone residues in some environments. Clomazone residues reduced wheat grain yield only in three of seven location/year environments and usually at application rates of 1.4 kg ai ha -1 or greater. Severe drought prevailed during the study and probably increased clomazone persistence and wheat chlorosis. Drought also may have limited expression of grain yield reductions attributable to clomazone residues.
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Claims 6
Claim · model-written summary
Recommended clomazone rates generally caused at most 10% chlorosis in spring wheat planted 11 to 12 months later.
- Taxon
- spring wheat
Triticum aestivume0 - Organ / stage
- spring wheate0
- Treatment
- Clomazone at recommended ratese0
- Outcome
- visible chlorosise0
- Direction
- 10% or lesse0
- Value
- 10% or lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clomazone at recommended rates generally caused 10% or less visible chlorosis in spring wheat planted 11 to 12 mo after application”
Claim · model-written summary
Recommended clomazone rates generally caused at most 10% chlorosis in winter wheat planted 11 months later, with greater chlorosis in two environments.
- Taxon
- winter wheatTriticum aestivume0
- Outcome
- chlorosise0
- Direction
- greatere0
- Value
- two of seven location/year environmentse0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“winter wheat planted 11 mo after application, although greater chlorosis was observed in two of seven location/year environments”
Claim · model-written summary
Tillage before wheat planting increased chlorosis from clomazone residues in some environments.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Tillage preceding wheat plantinge0
- Outcome
- chlorosise0
- Direction
- increasede0
- Qualifier
- some environmentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tillage preceding wheat planting increased chlorosis from clomazone residues in some environments”
Claim · model-written summary
Clomazone residues reduced wheat grain yield in three of seven environments, usually at 1.4 kg ai ha -1 or higher.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Clomazone residuese0
- Outcome
- grain yielde0
- Direction
- reducede0
- Value
- three of seven location/year environmentse0
- Qualifier
- 1.4 kg ai ha -1 or greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clomazone residues reduced wheat grain yield only in three of seven location/year environments and usually at application rates of 1.4 kg ai ha -1 or greater”
Claim · model-written summary
Severe drought probably increased clomazone persistence and wheat chlorosis.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Severe droughte0
- Outcome
- wheat chlorosise0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Severe drought prevailed during the study and probably increased clomazone persistence and wheat chlorosis”
Claim · model-written summary
Drought may have limited the expression of wheat grain yield reductions attributable to clomazone residues.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Droughte0
- Outcome
- grain yield reductionse0
- Direction
- limitede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought also may have limited expression of grain yield reductions attributable to clomazone residues”
t0“Clomazone residues reduced wheat grain yield”
The same questions in other papers
clomazone · yield · Triticum aestivum (wheat)Results agree
2 papers in the same direction as this paper
- negative
- negative
clomazone · physiology: pigments · Triticum aestivum (wheat)Results agree
2 papers in the same direction as this paper
- negative
- negative
tillage · physiology: pigments · Triticum aestivum (wheat)Positive and negative results
5 papers in the same direction as this paper · 14 in the opposite direction
- positive
- positive
- positive
16 papers more in this group
See all 20 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.