Abstract
Oat ( Avena sativa L. ‘Elgin′) and soybean ( Glycine max L. ‘Evans′) were treated with 14 C-diclofop-methyl {methyl ester of 2-[4-(2,4-dichlorophenoxy)phenoxy] propionic acid]} or 14 C-diclofop alone or in combination with 2,4-D [(2,4-dichlorophenoxy)acetic acid] or bentazon [3-isopropyl-1 H -2,1,3-benzothiadiazin-4(3 H )-one 2,2-dioxide] and 14 C-2,4-D alone or in combination with diclofop-methyl or diclofop. More radioactivity was recovered in the treatment zone after 14 C-diclofop-methyl applications, alone or in combination, than after similar 14 C-diclofop treatments in oat and soybean. Basipetal movement of radioactivity was 4 and 1% and acropetal movement was 1 and 4% in oat and soybean, respectively, regardless of the diphenyl ether treatment or time. Addition of 2,4-D or bentazon did not reduce translocation of radioactivity from 14 C-diclofop-methyl treatments in either plant species. Basipetal movement of radioactivity from 14 C-diclofop-methyl was greater than from 14 C-diclofop in both oat and soybean. The addition of diclofop-methyl or diclofop did not affect the pattern or amount of 14 C-2,4-D radioactivity translocated. In oats, radioactivity appeared to accumulate within the intercalary meristematic region with 14 C-2,4-D and 14 C-diphenyl-ether applications. Diclofop-methyl at 1 kg/ha applied either to an entire oat plant at the three-leaf stage or the apical meristemic region resulted in plant mortality. The extent to which transport contributes to diclofop-methyl efficacy is questioned.
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Claims 13
Claim · model-written summary
In oat, more radioactivity was recovered in the treatment zone after 14C-diclofop-methyl applications than after similar 14C-diclofop treatments.
- Taxon
- oat
Avena sativae0 - Treatment
- 14 C-diclofop-methyl applicationse0
- Outcome
- radioactivity was recovered in the treatment zonee0
- Direction
- Moree0
- Comparator
- 14 C-diclofop treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“More radioactivity was recovered in the treatment zone after 14 C-diclofop-methyl applications, alone or in combination, than after similar 14 C-diclofop treatments in oat and soybean”
Claim · model-written summary
In soybean, more radioactivity was recovered in the treatment zone after 14C-diclofop-methyl applications than after similar 14C-diclofop treatments.
- Taxon
- soybean
Glycine maxe0 - Treatment
- 14 C-diclofop-methyl applicationse0
- Outcome
- radioactivity was recovered in the treatment zonee0
- Direction
- Moree0
- Comparator
- 14 C-diclofop treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“More radioactivity was recovered in the treatment zone after 14 C-diclofop-methyl applications, alone or in combination, than after similar 14 C-diclofop treatments in oat and soybean”
Claim · model-written summary
In oat, basipetal movement of radioactivity was 4 regardless of diphenyl ether treatment or time.
- Taxon
- oatAvena sativae0
- Outcome
- Basipetal movement of radioactivitye0
- Value
- 4e0
- Qualifier
- regardless of the diphenyl ether treatment or timee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Basipetal movement of radioactivity was 4 and 1% and acropetal movement was 1 and 4% in oat and soybean, respectively, regardless of the diphenyl ether treatment or time”
Claim · model-written summary
In oat, acropetal movement of radioactivity was 1 regardless of diphenyl ether treatment or time.
- Taxon
- oatAvena sativae0
- Outcome
- acropetal movemente0
- Value
- 1e0
- Qualifier
- regardless of the diphenyl ether treatment or timee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Basipetal movement of radioactivity was 4 and 1% and acropetal movement was 1 and 4% in oat and soybean, respectively, regardless of the diphenyl ether treatment or time”
Claim · model-written summary
In soybean, basipetal movement of radioactivity was 1% regardless of diphenyl ether treatment or time.
- Taxon
- soybeanGlycine maxe0
- Outcome
- Basipetal movement of radioactivitye0
- Value
- 1%e0
- Qualifier
- regardless of the diphenyl ether treatment or timee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Basipetal movement of radioactivity was 4 and 1% and acropetal movement was 1 and 4% in oat and soybean, respectively, regardless of the diphenyl ether treatment or time”
Claim · model-written summary
In soybean, acropetal movement of radioactivity was 4% regardless of diphenyl ether treatment or time.
- Taxon
- soybeanGlycine maxe0
- Outcome
- acropetal movemente0
- Value
- 4%e0
- Qualifier
- regardless of the diphenyl ether treatment or timee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Basipetal movement of radioactivity was 4 and 1% and acropetal movement was 1 and 4% in oat and soybean, respectively, regardless of the diphenyl ether treatment or time”
Claim · model-written summary
In oat, adding 2,4-D or bentazon did not reduce translocation of radioactivity from 14C-diclofop-methyl treatments.
- Taxon
- OatAvena sativat0
- Treatment
- Addition of 2,4-D or bentazone0
- Outcome
- translocation of radioactivitye0
- Direction
- did not reducee0
- Comparator
- 14 C-diclofop-methyl treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of 2,4-D or bentazon did not reduce translocation of radioactivity from 14 C-diclofop-methyl treatments in either plant species”
t0“Oat (Avena sativa)”
Claim · model-written summary
In soybean, adding 2,4-D or bentazon did not reduce translocation of radioactivity from 14C-diclofop-methyl treatments.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Addition of 2,4-D or bentazone0
- Outcome
- translocation of radioactivitye0
- Direction
- did not reducee0
- Comparator
- 14 C-diclofop-methyl treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of 2,4-D or bentazon did not reduce translocation of radioactivity from 14 C-diclofop-methyl treatments in either plant species”
t0“Soybean (Glycine max)”
Claim · model-written summary
In oat, basipetal movement of radioactivity from 14C-diclofop-methyl was greater than from 14C-diclofop.
- Taxon
- oatAvena sativae0
- Treatment
- 14 C-diclofop-methyle0
- Outcome
- Basipetal movement of radioactivitye0
- Direction
- greatere0
- Comparator
- 14 C-diclofope0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Basipetal movement of radioactivity from 14 C-diclofop-methyl was greater than from 14 C-diclofop in both oat and soybean”
Claim · model-written summary
In soybean, basipetal movement of radioactivity from 14C-diclofop-methyl was greater than from 14C-diclofop.
- Taxon
- soybeanGlycine maxe0
- Treatment
- 14 C-diclofop-methyle0
- Outcome
- Basipetal movement of radioactivitye0
- Direction
- greatere0
- Comparator
- 14 C-diclofope0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Basipetal movement of radioactivity from 14 C-diclofop-methyl was greater than from 14 C-diclofop in both oat and soybean”
Claim · model-written summary
Adding diclofop-methyl or diclofop did not affect the pattern or amount of translocated 14C-2,4-D radioactivity.
- Treatment
- addition of diclofop-methyl or diclofope0
- Outcome
- pattern or amount of 14 C-2,4-D radioactivity translocatede0
- Direction
- did not affecte0
Not reportedTaxonComparator
Verbatim
e0“The addition of diclofop-methyl or diclofop did not affect the pattern or amount of 14 C-2,4-D radioactivity translocated”
Claim · model-written summary
In oats, radioactivity from 14C-2,4-D and 14C-diphenyl-ether applications appeared to accumulate within the intercalary meristematic region.
- Taxon
- oatsAvena sativae0
- Organ / stage
- intercalary meristematic regione0
- Outcome
- radioactivity appeared to accumulatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In oats, radioactivity appeared to accumulate within the intercalary meristematic region”
Claim · model-written summary
Diclofop-methyl at 1 kg/ha applied to an entire oat plant at the three-leaf stage or to the apical meristemic region resulted in plant mortality.
- Taxon
- oatAvena sativae0
- Organ / stage
- three-leaf stagee0
- Treatment
- Diclofop-methyl at 1 kg/hae0
- Outcome
- plant mortalitye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diclofop-methyl at 1 kg/ha applied either to an entire oat plant at the three-leaf stage or the apical meristemic region resulted in plant mortality”
The same questions in other papers
bentazone · nutrient: content · Glycine max (soybean)Positive and negative results
1 paper in the same direction as this paper · 1 reporting no difference from an alternative
- positive
- negative
2,4-D · nutrient: content · Avena sativa (oats)Results agree
1 paper in the same direction as this paper
- no effect
2,4-D · nutrient: content · Glycine max (soybean)Results agree
1 paper in the same direction as this paper
- negative
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.