Abstract
To know whether pyrazosulfuron-ethyl(PYR) and imazaquin(IMA), known as a acetolactate synthase(ALS) inhibitors, have a same herbicidal action pattern in rice(Oryza sativa) or barnyardgrass (Echinochloa crus-galli), an inhibition pattern and a response characteristics in combination with dymron or butachlor were investigated. In contrast to the phytotoxicity of rice treated with IMA, the one treated with PYR was completely tended to be recovered after 25 days after treatment. Safening effect of dymron against PYR was effectively developed to transplanted-rice, while such an effect was not shown in combination with IMA. In combination with PYR and butachlor, antagonistic effect was observed in both simultaneous or sequential treatment on bamyardgrass, however, additive effect was rather shown in combination with IMA and its activity was dominantly dependent on the first applied compound. of PYR and IMA on the ALS extracted from barnyardgrass was M and M, respectively. Butachlor did not affect their activities on ALS in vitro. These results suggest that PYR and IMA might have a different action each other in the pathway to a final herbicidal activity even though their primary action site is ALS.
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Claims 9
Claim · model-written summary
Rice phytotoxicity from PYR recovered by day 25 compared with IMA.
- Taxon
- rice
Oryza sativae0 - Treatment
- PYRe0
- Outcome
- phytotoxicity of ricee0
- Direction
- recoverede0
- Qualifier
- after 25 days after treatmente0
- Comparator
- IMAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In contrast to the phytotoxicity of rice treated with IMA, the one treated with PYR was completely tended to be recovered after 25 days after treatment”
Claim · model-written summary
Dymron safened transplanted rice against PYR.
- Taxon
- riceOryza sativae0
- Treatment
- dymron against PYRe0
- Outcome
- Safening effecte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Safening effect of dymron against PYR was effectively developed to transplanted-rice”
Claim · model-written summary
Dymron showed no safening with IMA.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“such an effect was not shown in combination with IMA”
e1“Safening effect of dymron against PYR was effectively developed to transplanted-rice”
Claim · model-written summary
PYR and butachlor had antagonistic effects on barnyardgrass under simultaneous application.
- Taxon
- riceOryza sativae1
- Treatment
- PYR and butachlore0
- Interactor
- barnyardgrass
Echinochloa crus-gallie1weed - Outcome
- antagonistic effecte0
- Qualifier
- simultaneouse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In combination with PYR and butachlor, antagonistic effect was observed in both simultaneous or sequential treatment on bamyardgrass”
e1“rice(Oryza sativa) or barnyardgrass (Echinochloa crus-galli)”
Claim · model-written summary
PYR and butachlor had antagonistic effects on barnyardgrass under sequential application.
- Taxon
- riceOryza sativae1
- Treatment
- PYR and butachlore0
- Interactor
- barnyardgrassEchinochloa crus-gallie1weed
- Outcome
- antagonistic effecte0
- Qualifier
- sequentiale0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In combination with PYR and butachlor, antagonistic effect was observed in both simultaneous or sequential treatment on bamyardgrass”
e1“rice(Oryza sativa) or barnyardgrass (Echinochloa crus-galli)”
Claim · model-written summary
IMA and butachlor had additive activity on barnyardgrass.
- Taxon
- riceOryza sativae1
- Treatment
- combination with IMAe0
- Interactor
- barnyardgrassEchinochloa crus-gallie1weed
- Outcome
- additive effecte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“additive effect was rather shown in combination with IMA and its activity was dominantly dependent on the first applied compound”
e1“rice(Oryza sativa) or barnyardgrass (Echinochloa crus-galli)”
Claim · model-written summary
IMA combination activity depended mainly on the first compound applied.
- Taxon
- riceOryza sativae1
- Treatment
- first applied compounde0
- Interactor
- barnyardgrassEchinochloa crus-gallie1weed
- Outcome
- activitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“its activity was dominantly dependent on the first applied compound”
e1“rice(Oryza sativa) or barnyardgrass (Echinochloa crus-galli)”
Claim · model-written summary
Butachlor did not affect herbicide activity on extracted barnyardgrass ALS in vitro.
- Taxon
- riceOryza sativae2
- Treatment
- Butachlore0
- Interactor
- barnyardgrassEchinochloa crus-gallie1weed
- Gene
- ALSe0
- Outcome
- activities on ALSe0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Butachlor did not affect their activities on ALS in vitro”
e1“ALS extracted from barnyardgrass”
e2“rice(Oryza sativa) or barnyardgrass (Echinochloa crus-galli)”
Claim · model-written summary
The authors infer PYR and IMA differ in the pathway to final herbicidal activity.
- Taxon
- riceOryza sativae1
- Treatment
- PYR and IMAe0
- Interactor
- barnyardgrassEchinochloa crus-gallie1weed
- Gene
- ALSe0
- Outcome
- final herbicidal activitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PYR and IMA might have a different action each other in the pathway to a final herbicidal activity even though their primary action site is ALS”
e1“rice(Oryza sativa) or barnyardgrass (Echinochloa crus-galli)”
The same questions in other papers
Pyrazosulfuron-ethyl · Echinochloa crus-galli · Oryza sativa (rice)Positive and negative results
1 in the opposite direction
- positive
Pyrazosulfuron-ethyl · crop injury · Oryza sativa (rice)Positive and negative results
2 papers in the same direction as this paper · 4 in the opposite direction
- no effect
- no effect
- negative
3 papers more in this group
See all 7 papers →butachlor · Echinochloa crus-galli · Oryza sativa (rice)Positive and negative results
6 in the opposite direction
- positive
- positive
- positive
3 papers more in this group
See all 7 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.