Abstract
Urea fertilization of `Heinz 1350' tomato (Lycopersicon esculentum Mill.) in sand or soil culture did not enhance ethylene evolution or restrict growth relative to plants receiving \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(\mathbf{NO}_{\mathbf{3}}^{\mathbf{-}}\) \end{document} whereas \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(\mathbf{NO}_{\mathbf{4}}^{\mathbf{+}}\) \end{document} nutrition doubled the relative rates of ethylene evolution and restricted relative growth. Inhibitors of N transformations in media (nitrapyrin, Np; hydroquinone, HQ; and phenylphosphorodiamidate, PPD) had no apparent stimulator effects on ethylene evolution of plants grown on urea or \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(\mathbf{NO}_{\mathbf{3}}^{\mathbf{-}}\) \end{document} nutrition in sand or soil. Ethylene evolution was enhanced by PPD relative to that by Np or HQ for plants receiving \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(\mathbf{NO}_{\mathbf{4}}^{\mathbf{+}}\) \end{document} nutrition. Each inhibitor had toxic effects on plant growth. Increasing K + supply from 0 to 8 m m in nutrient solutions decreased ethylene evolution and increased plant growth with urea fertilization. Urea had low phytotoxicity if its hydrolysis to \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(\mathbf{NO}_{\mathbf{4}}^{\mathbf{+}}\) \end{document} was prevented in the media. Chemical names used: p-dihydroxybenzene (hydroquinone); benzenephosphorodiamide (phenylphosphorodiamidate); 2-chloro-6-(trichloromethyl)pyridine (nitrapyrin).
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Claims 10
Claim · model-written summary
Urea did not enhance tomato ethylene evolution relative to nitrate nutrition.
- Taxon
- tomato
Solanum lycopersicume0 - Material
- Heinz 1350e0
- Treatment
- Urea fertilizatione0
- Outcome
- ethylene evolutione0
- Direction
- did not enhancee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Urea fertilization of `Heinz 1350' tomato (Lycopersicon esculentum Mill.) in sand or soil culture did not enhance ethylene evolution or restrict growth relative to plants receiving”
t0“Tomato Plants”
Claim · model-written summary
Urea did not restrict tomato growth relative to nitrate nutrition.
- Taxon
- tomatoSolanum lycopersicume0
- Material
- Heinz 1350e0
- Treatment
- Urea fertilizatione0
- Outcome
- growthe0
- Direction
- did not enhance ethylene evolution or restricte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Urea fertilization of `Heinz 1350' tomato (Lycopersicon esculentum Mill.) in sand or soil culture did not enhance ethylene evolution or restrict growth relative to plants receiving”
Claim · model-written summary
Ammonium nutrition doubled relative tomato ethylene evolution.
- Taxon
- TomatoSolanum lycopersicumt0
- Outcome
- relative rates of ethylene evolutione0
- Direction
- doublede0
- Value
- doublede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nutrition doubled the relative rates of ethylene evolution and restricted relative growth”
t0“Tomato Plants”
Claim · model-written summary
Ammonium nutrition restricted relative tomato growth.
- Taxon
- TomatoSolanum lycopersicumt0
- Outcome
- relative growthe0
- Direction
- restrictede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nutrition doubled the relative rates of ethylene evolution and restricted relative growth”
t0“Tomato Plants”
Claim · model-written summary
Transformation inhibitors did not stimulate ethylene evolution under urea or nitrate nutrition.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- Inhibitors of N transformations in mediae0
- Outcome
- ethylene evolutione0
- Direction
- no apparent stimulator effectse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inhibitors of N transformations in media (nitrapyrin, Np; hydroquinone, HQ; and phenylphosphorodiamidate, PPD) had no apparent stimulator effects on ethylene evolution of plants grown on urea”
t0“Tomato Plants”
Claim · model-written summary
PPD enhanced ethylene evolution compared with Np or HQ during ammonium nutrition.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- PPDe0
- Outcome
- Ethylene evolutione0
- Direction
- enhancede0
- Comparator
- Np or HQe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ethylene evolution was enhanced by PPD relative to that by Np or HQ for plants receiving”
t0“Tomato Plants”
Claim · model-written summary
Each nitrogen transformation inhibitor had toxic effects on tomato growth.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- Each inhibitore0
- Outcome
- plant growthe0
- Direction
- toxic effectse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Each inhibitor had toxic effects on plant growth”
t0“Tomato Plants”
Claim · model-written summary
Increasing potassium from 0 to 8 m m decreased ethylene evolution under urea fertilization.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- Increasing K + supply from 0 to 8 m me0
- Outcome
- ethylene evolutione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing K + supply from 0 to 8 m m in nutrient solutions decreased ethylene evolution and increased plant growth with urea fertilization”
t0“Tomato Plants”
Claim · model-written summary
Increasing potassium from 0 to 8 m m increased tomato growth under urea fertilization.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- Increasing K + supply from 0 to 8 m me0
- Outcome
- plant growthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing K + supply from 0 to 8 m m in nutrient solutions decreased ethylene evolution and increased plant growth with urea fertilization”
t0“Tomato Plants”
Claim · model-written summary
Urea had low phytotoxicity when its hydrolysis in the medium was prevented.
- Taxon
- TomatoSolanum lycopersicumt0
- Outcome
- low phytotoxicitye0
- Qualifier
- was prevented in the mediae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Urea had low phytotoxicity if its hydrolysis to”
e1“was prevented in the media”
t0“Tomato Plants”
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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.