Abstract
Greenhouse studies were conducted to evaluate shoot number, shoot weight, and root weight reduction of yellow and purple nutsedge to three placement levels (soil, foliar, and soil foliar applied) and four herbicide treatments (CGA-362622, imazaquin, MSMA, and imazaquin MSMA). Soil-applied CGA-362622 reduced shoot number, shoot weight, and root weight greater than foliar-applied CGA-362622. Foliar-applied imazaquin and soil-applied MSMA achieved little reduction in measured variables compared with the nontreated control. Foliar-applied imazaquin and soil-applied MSMA reduced shoot number, shoot weight, and root weight less than imazaquin MSMA applied in a similar manner. Averaged over placement levels, imazaquin reduced shoot weight of yellow nutsedge greater than purple nutsedge. Averaged over herbicide treatments, soil-applied treatments were more effective in reducing purple nutsedge shoot number, whereas foliar-applied treatments were more effective in reducing yellow nutsedge shoot number.Nomenclature: CGA-362622, N-[(4,6-dimethoxy-2-pyrimidinyl)carbamoyl]-3-(2,2,2-trifluroethoxy)-pyridin-2-sulfonamide sodium salt; imazaquin; MSMA; purple nutsedge, Cyperus rotundus L. #3 CYPRO; yellow nutsedge, Cyperus esculentus L. # CYPES.Additional index words: Foliar absorption, root absorption.Abbreviations: DAP, days after planting; DAT, days after treatment; NIS, nonionic surfactant; POST, postemergence.
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Claims 8
Claim · model-written summary
Soil-applied CGA-362622 reduced nutsedge shoot number, shoot weight, and root weight more than foliar application.
- Taxon
- Cyperus esculentus
Cyperus esculentust0 - Treatment
- Soil-applied CGA-362622e0
- Outcome
- shoot number, shoot weight, and root weighte0
- Direction
- reducede0
- Comparator
- foliar-applied CGA-362622e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil-applied CGA-362622 reduced shoot number, shoot weight, and root weight greater than foliar-applied CGA-362622”
t0“Yellow (Cyperus esculentus) and Purple Nutsedge (Cyperus rotundus)”
Claim · model-written summary
Foliar imazaquin achieved little reduction in the measured nutsedge variables versus untreated control.
- Taxon
- Cyperus esculentusCyperus esculentust0
- Treatment
- Foliar-applied imazaquine0
- Outcome
- measured variablese0
- Direction
- little reductione0
- Comparator
- nontreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar-applied imazaquin and soil-applied MSMA achieved little reduction in measured variables compared with the nontreated control”
t0“Yellow (Cyperus esculentus) and Purple Nutsedge (Cyperus rotundus)”
Claim · model-written summary
Soil-applied MSMA achieved little reduction in measured nutsedge variables versus untreated control.
- Taxon
- Cyperus rotundus
Cyperus rotundust0 - Treatment
- soil-applied MSMAe0
- Outcome
- measured variablese0
- Direction
- little reductione0
- Comparator
- nontreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar-applied imazaquin and soil-applied MSMA achieved little reduction in measured variables compared with the nontreated control”
t0“Yellow (Cyperus esculentus) and Purple Nutsedge (Cyperus rotundus)”
Claim · model-written summary
Foliar imazaquin reduced shoot number, shoot weight, and root weight less than similarly applied imazaquin MSMA.
- Taxon
- Cyperus esculentusCyperus esculentust0
- Treatment
- Foliar-applied imazaquine0
- Outcome
- shoot number, shoot weight, and root weighte0
- Direction
- less thane0
- Comparator
- imazaquin MSMAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar-applied imazaquin and soil-applied MSMA reduced shoot number, shoot weight, and root weight less than imazaquin MSMA applied in a similar manner”
t0“Yellow (Cyperus esculentus) and Purple Nutsedge (Cyperus rotundus)”
Claim · model-written summary
Soil MSMA reduced shoot number, shoot weight, and root weight less than similarly applied imazaquin MSMA.
- Taxon
- Cyperus rotundusCyperus rotundust0
- Treatment
- soil-applied MSMAe0
- Outcome
- shoot number, shoot weight, and root weighte0
- Direction
- less thane0
- Comparator
- imazaquin MSMAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar-applied imazaquin and soil-applied MSMA reduced shoot number, shoot weight, and root weight less than imazaquin MSMA applied in a similar manner”
t0“Yellow (Cyperus esculentus) and Purple Nutsedge (Cyperus rotundus)”
Claim · model-written summary
Averaged across placement levels, imazaquin reduced yellow nutsedge shoot weight more than purple nutsedge shoot weight.
Verbatim
e0“Averaged over placement levels, imazaquin reduced shoot weight of yellow nutsedge greater than purple nutsedge”
Claim · model-written summary
Soil-applied treatments were more effective in reducing purple nutsedge shoot number.
Verbatim
e0“soil-applied treatments were more effective in reducing purple nutsedge shoot number, whereas foliar-applied treatments were more effective in reducing yellow nutsedge shoot number”
Claim · model-written summary
Foliar-applied treatments were more effective in reducing yellow nutsedge shoot number.
Verbatim
e0“soil-applied treatments were more effective in reducing purple nutsedge shoot number, whereas foliar-applied treatments were more effective in reducing yellow nutsedge shoot number”
The same questions in other papers
application · growth · Cyperus esculentusPositive and negative results
3 in the opposite direction
- positive
- positive
- positive
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.