Abstract
Field studies were conducted in 1986 and 1987 to determine the effectiveness of DPX-A7881 [methyl 2-[(4-ethoxy-6-methylamino-1,3,5-triazin-2-yl) = carbamoyl-sulphanoyl]benzoate] and imazamethabenz for the selective removal of wild mustard Sinapis arvensis L. (Brassica kaber [DC] Wheeler var. pinnatifida [Stokes] Wheeler) from canola (Brassica napus L.). Both DPX-A7881 and imazamethabenz controlled wild mustard when applied at the proper dosage and stage of growth. Susceptibility of wild mustard to either herbicide declined when the herbicide treatment was delayed beyond the six-leaf stage. DPX-A7881 applied postemergence at 10–15 g a.i. ha −1 to wild mustard seedlings in the cotyledon leaf stage of development did not reduce crop yields and significantly reduced the level of 4-hydroxy-benzyl glucosinolate from wild mustard found in canola meal. Canola cultivar Global exhibited greater tolerance to post-emergence applications of DPX-A7881 than to imazamethabenz. The total concentration of canola glucosinolates was found to increase in seed samples taken from plants injured by postemergence applications of imazamethabenz.Key words: Canola, herbicides, wild mustard, seed yield, glucosinolates
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Claims 6
Claim · model-written summary
Both herbicides controlled wild mustard at proper dose and growth stage.
Not reportedTaxonComparator
Verbatim
e0“Both DPX-A7881 and imazamethabenz controlled wild mustard when applied at the proper dosage and stage of growth.”
Claim · model-written summary
Wild mustard susceptibility declined when treatment was delayed past six leaves.
- Treatment
- herbicide treatmente0
- Interactor
- wild mustarde0weed
- Outcome
- Susceptibility of wild mustarde0
- Direction
- declinede0
Not reportedTaxon
Verbatim
e0“Susceptibility of wild mustard to either herbicide declined when the herbicide treatment was delayed beyond the six-leaf stage.”
Claim · model-written summary
DPX-A7881 at 10–15 g did not reduce canola yields.
- Treatment
- DPX-A7881 applied postemergence at 10–15 g a.i. ha −1e0
- Interactor
- wild mustarde0weed
- Outcome
- crop yieldse0
- Direction
- did not reducee0
Not reportedTaxonComparator
Verbatim
e0“DPX-A7881 applied postemergence at 10–15 g a.i. ha −1 to wild mustard seedlings in the cotyledon leaf stage of development did not reduce crop yields”
Claim · model-written summary
DPX-A7881 significantly reduced wild mustard glucosinolate in canola meal.
- Taxon
- canola
.jpg?width=60)
Brassica napus var. napuse0 - Interactor
- wild mustarde0weed
- Outcome
- level of 4-hydroxy-benzyl glucosinolate from wild mustard found in canola meale0
- Direction
- reducede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“significantly reduced the level of 4-hydroxy-benzyl glucosinolate from wild mustard found in canola meal.”
Claim · model-written summary
Global had greater tolerance to DPX-A7881 than imazamethabenz.
- Taxon
- CanolaBrassica napus var. napuse0
- Material
- Globale0
- Outcome
- tolerancee0
- Direction
- greatere0
- Comparator
- imazamethabenze0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Canola cultivar Global exhibited greater tolerance to post-emergence applications of DPX-A7881 than to imazamethabenz.”
Claim · model-written summary
Imazamethabenz-injured canola had increased seed glucosinolate concentration.
- Taxon
- canolaBrassica napus var. napuse0
- Organ / stage
- seede0
- Treatment
- postemergence applications of imazamethabenze0
- Outcome
- total concentration of canola glucosinolatese0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The total concentration of canola glucosinolates was found to increase in seed samples taken from plants injured by postemergence applications of imazamethabenz.”
The same questions in other papers
ethametsulfuron-methyl · yield · Brassica napus (oilseed rape)Results agree
1 paper in the same direction as this paper
- positive
herbicide · yield · Brassica napus (oilseed rape)Results differ
31 papers in the same direction as this paper · 15 in the opposite direction · 4 reporting no difference from an alternative
- no effect
- negative
- negative
47 papers more in this group
See all 51 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.