Abstract
Chlorsulfuron was preemergence applied in field trials at La Coruña, Spain, at rates from 5 to 30 g ai ha −1 (1987–88) and from 5 to 100 g ai ha −1 (1988–89) for weed control in winter and spring wheat. Excellent control of broadleaf weeds was obtained in both; however, narrowleaf control at the last evaluation (heading) was poor. Chlorsulfuron at 30 g ha −1 did not cause a residual problem in 1987–88, with only 0.24 μg kg −1 of dry soil recovered after both a winter and spring wheat cropping season. However, chlorsulfuron persistence at the same rate was very high in the dry year 1988–89, with 0.43 μg kg −1 and 0.53 μg kg −1 recovered in winter and spring wheat, respectively. ‘Cardeno’ spring wheat showed no phytotoxic symptom at any rate of chlorsulfuron from 5 to 100 g ha −1 . Its yield and yield components (spikes m −2 , grain number spike −1 , grain weight) were greater with all chlorsulfuron rates, but not in ‘Fiel’ winter wheat for rates of 30 g ha −1 or higher.
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Claims 8
Claim · model-written summary
Chlorsulfuron controlled broadleaf weeds well in winter and spring wheat.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- Chlorsulfuront0
- Interactor
- broadleaf weedse0weed
- Outcome
- control of broadleaf weedse0
- Direction
- Excellente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Excellent control of broadleaf weeds was obtained in both”
t0“Performance and Soil Persistence of Chlorsulfuron when Used for Wheat Production in Spain”
Claim · model-written summary
Narrowleaf weed control at heading was poor.
- Taxon
- WheatTriticum aestivumt0
- Organ / stage
- headinge0
- Outcome
- narrowleaf controle0
- Direction
- poore0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“narrowleaf control at the last evaluation (heading) was poor”
t0“Performance and Soil Persistence of Chlorsulfuron when Used for Wheat Production in Spain”
Claim · model-written summary
At 30 g ha−1, chlorsulfuron left 0.24 μg kg−1 soil residue in 1987–88.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Chlorsulfuron at 30 g ha −1e0
- Outcome
- dry soil recoverede0
- Value
- 0.24 μg kg −1e0
- Setting
- 1987–88e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chlorsulfuron at 30 g ha −1 did not cause a residual problem in 1987–88, with only 0.24 μg kg −1 of dry soil recovered after both a winter and spring wheat cropping season”
Claim · model-written summary
Winter wheat soil had 0.43 μg kg−1 residue in dry 1988–89.
- Taxon
- winter wheatTriticum aestivume1
- Outcome
- chlorsulfuron persistencee0
- Value
- 0.43 μg kg −1e0
- Setting
- dry year 1988–89e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chlorsulfuron persistence at the same rate was very high in the dry year 1988–89, with 0.43 μg kg −1 and 0.53 μg kg −1 recovered in winter and spring wheat, respectively”
e1“Its yield and yield components (spikes m −2 , grain number spike −1 , grain weight) were greater with all chlorsulfuron rates, but not in ‘Fiel’ winter wheat for rates of 30 g ha −1 or higher”
Claim · model-written summary
Spring wheat soil had 0.53 μg kg−1 residue in dry 1988–89.
- Taxon
- spring wheatTriticum aestivume0
- Outcome
- chlorsulfuron persistencee0
- Value
- 0.53 μg kg −1e0
- Setting
- dry year 1988–89e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chlorsulfuron persistence at the same rate was very high in the dry year 1988–89, with 0.43 μg kg −1 and 0.53 μg kg −1 recovered in winter and spring wheat, respectively”
Claim · model-written summary
Cardeno spring wheat had no phytotoxic symptoms at tested chlorsulfuron rates.
- Taxon
- spring wheatTriticum aestivume0
- Material
- ‘Cardeno’e0
- Treatment
- chlorsulfuron from 5 to 100 g ha −1e0
- Outcome
- phytotoxic symptome0
- Direction
- noe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘Cardeno’ spring wheat showed no phytotoxic symptom at any rate of chlorsulfuron from 5 to 100 g ha −1”
Claim · model-written summary
Cardeno yield and yield components increased at all chlorsulfuron rates.
- Taxon
- spring wheatTriticum aestivume1
- Material
- ‘Cardeno’e1
- Treatment
- all chlorsulfuron ratese0
- Outcome
- yield and yield components (spikes m −2 , grain number spike −1 , grain weight)e0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Its yield and yield components (spikes m −2 , grain number spike −1 , grain weight) were greater with all chlorsulfuron rates”
e1“‘Cardeno’ spring wheat showed no phytotoxic symptom at any rate of chlorsulfuron from 5 to 100 g ha −1”
Claim · model-written summary
Fiel winter wheat did not show greater yield at 30 g ha−1 or higher.
- Taxon
- winter wheatTriticum aestivume0
- Material
- ‘Fiel’e0
- Treatment
- rates of 30 g ha −1 or highere0
- Outcome
- yielde1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but not in ‘Fiel’ winter wheat for rates of 30 g ha −1 or higher”
e1“Its yield and yield components (spikes m −2 , grain number spike −1 , grain weight) were greater with all chlorsulfuron rates, but not in ‘Fiel’ winter wheat for rates of 30 g ha −1 or higher”
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9 papers in the same direction as this paper · 2 in the opposite direction
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See all 12 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.