Abstract
Abstract The phytotoxicity of aluminum (Al) in relation to preculture with phosphates was examined in the rice cultivar Arkansas fortuna. In plants precultured with phosphates, Al did not inhibit shoot growth, while Al retarded shoot growth in plants precultured without phosphates. In contrast, Al inhibited root elongation, irrespective of the presence of phosphates in the preculture solution. A large proportion of the Al in roots was in unknown, insoluble forms. In phosphate‐precultured plants, Al deposition was slightly increased, presumably due to the formation of aluminum phosphates in the roots, and phosphorus levels in shoots were markedly increased. Binding with phosphates may ameliorate the toxicity of Al when it enters the shoots and account for the uninhibited shoot growth in the presence of Al in plants precultured with phosphates.
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Claims 7
Claim · model-written summary
Aluminum did not inhibit shoot growth after phosphate preculture.
- Taxon
- rice
Oryza sativat0 - Organ / stage
- shoote0
- Treatment
- precultured with phosphatese0
- Outcome
- shoot growthe0
- Direction
- did not inhibite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In plants precultured with phosphates, Al did not inhibit shoot growth”
t0“Rice”
Claim · model-written summary
Aluminum retarded shoot growth without phosphate preculture.
- Taxon
- riceOryza sativat0
- Organ / stage
- shoote0
- Treatment
- precultured without phosphatese0
- Outcome
- shoot growthe0
- Direction
- retardede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Al retarded shoot growth in plants precultured without phosphates”
t0“Rice”
Claim · model-written summary
Aluminum inhibited root elongation irrespective of phosphate preculture.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Al inhibited root elongation, irrespective of the presence of phosphates in the preculture solution”
t0“Rice”
Claim · model-written summary
A large share of aluminum in roots occurred in unknown insoluble forms.
- Taxon
- riceOryza sativat0
- Organ / stage
- rootse0
- Outcome
- Al in roots was in unknown, insoluble formse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A large proportion of the Al in roots was in unknown, insoluble forms”
t0“Rice”
Claim · model-written summary
Phosphate preculture slightly increased aluminum deposition.
- Taxon
- riceOryza sativat0
- Treatment
- phosphate‐preculturede0
- Outcome
- Al depositione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In phosphate‐precultured plants, Al deposition was slightly increased”
t0“Rice”
Claim · model-written summary
Phosphate preculture markedly increased phosphorus levels in shoots.
- Taxon
- riceOryza sativat0
- Treatment
- phosphate‐preculturede0
- Outcome
- phosphorus levels in shootse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In phosphate‐precultured plants, Al deposition was slightly increased, presumably due to the formation of aluminum phosphates in the roots, and phosphorus levels in shoots were markedly increased”
t0“Rice”
Claim · model-written summary
The authors propose that phosphate binding ameliorates aluminum toxicity in shoots.
- Taxon
- riceOryza sativat0
- Outcome
- toxicity of Ale0
- Qualifier
- Binding with phosphatese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Binding with phosphates may ameliorate the toxicity of Al when it enters the shoots and account for the uninhibited shoot growth”
t0“Rice”
The same questions in other papers
aluminium atom · growth · Oryza sativa (rice)Results differ
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141 papers in the same direction as this paper · 25 in the opposite direction · 1 reporting no difference from an alternative
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See all 168 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.