Abstract
Abstract Phosphorus (P) nutrition has been suggested to play a role in the alleviation of manganese (Mn) toxicity in some higher plant species. However, there are few reports on the role of P in regulating Mn accumulation by forage species. We studied the effect of P nutrition on Mn toxicity in Lolium perenne L. and Trifolium repens L. An increase in Mn concentration in root and shoot tissues was associated with an increase in both P supply and P tissue concentrations. Nevertheless, in both forage species, especially white clover, plant‐growth inhibition caused by Mn excess was decreased with increasing P additions. Moreover, the carboxylate exudation that had increased in response to high Mn was gradually reduced by increasing P supply. We suggest that P supply may have a beneficial effect in reducing the severity of Mn toxicity in forage species.
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Claims 10
Claim · model-written summary
In Lolium perenne, root and shoot Mn concentration increased with P supply and tissue P concentration.
- Taxon
- Lolium perenne L.
Lolium perennee1 - Treatment
- P supplye0
- Compound
- P tissue concentrationse0
- Outcome
- Mn concentration in root and shoot tissuese0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An increase in Mn concentration in root and shoot tissues was associated with an increase in both P supply and P tissue concentrations”
e1“We studied the effect of P nutrition on Mn toxicity in Lolium perenne L. and Trifolium repens L.”
Claim · model-written summary
In Trifolium repens, root and shoot Mn concentration increased with P supply and tissue P concentration.
- Taxon
- Trifolium repens L.
Trifolium repense1 - Treatment
- P supplye0
- Compound
- P tissue concentrationse0
- Outcome
- Mn concentration in root and shoot tissuese0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An increase in Mn concentration in root and shoot tissues was associated with an increase in both P supply and P tissue concentrations”
e1“We studied the effect of P nutrition on Mn toxicity in Lolium perenne L. and Trifolium repens L.”
Claim · model-written summary
Increasing P additions decreased Mn-induced growth inhibition in Lolium perenne.
- Taxon
- Lolium perenne L.Lolium perennee1
- Treatment
- increasing P additionse0
- Outcome
- plant‐growth inhibition caused by Mn excesse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in both forage species, especially white clover, plant‐growth inhibition caused by Mn excess was decreased with increasing P additions”
e1“Lolium perenne L. and Trifolium repens L.”
Claim · model-written summary
Increasing P additions decreased Mn-induced growth inhibition in Trifolium repens, especially white clover.
- Taxon
- Trifolium repens L.Trifolium repense1
- Treatment
- increasing P additionse0
- Outcome
- plant‐growth inhibition caused by Mn excesse0
- Direction
- decreasede0
- Qualifier
- especially white clovere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in both forage species, especially white clover, plant‐growth inhibition caused by Mn excess was decreased with increasing P additions”
e1“Lolium perenne L. and Trifolium repens L.”
Claim · model-written summary
Increasing P supply gradually reduced carboxylate exudation induced by high Mn in Lolium perenne.
- Taxon
- Lolium perenne L.Lolium perennee1
- Treatment
- increasing P supplye0
- Outcome
- carboxylate exudatione0
- Direction
- reducede0
- Qualifier
- in response to high Mne0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the carboxylate exudation that had increased in response to high Mn was gradually reduced by increasing P supply”
e1“Lolium perenne L. and Trifolium repens L.”
Claim · model-written summary
Increasing P supply gradually reduced carboxylate exudation induced by high Mn in Trifolium repens.
- Taxon
- Trifolium repens L.Trifolium repense1
- Treatment
- increasing P supplye0
- Outcome
- carboxylate exudatione0
- Direction
- reducede0
- Qualifier
- in response to high Mne0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the carboxylate exudation that had increased in response to high Mn was gradually reduced by increasing P supply”
e1“Lolium perenne L. and Trifolium repens L.”
Claim · model-written summary
High Mn increased carboxylate exudation in the forage species.
- Taxon
- Lolium perenne L.Lolium perennee1
- Treatment
- high Mne0
- Outcome
- carboxylate exudatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the carboxylate exudation that had increased in response to high Mn”
e1“Lolium perenne L. and Trifolium repens L.”
Claim · model-written summary
High Mn increased carboxylate exudation in Trifolium repens.
- Taxon
- Trifolium repens L.Trifolium repense1
- Treatment
- high Mne0
- Outcome
- carboxylate exudatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the carboxylate exudation that had increased in response to high Mn”
e1“Lolium perenne L. and Trifolium repens L.”
Claim · model-written summary
The authors suggest P supply may reduce severity of Mn toxicity in forage species.
- Taxon
- Lolium perenne L.Lolium perennee1
- Treatment
- P supplye0
- Outcome
- reducing the severity of Mn toxicitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P supply may have a beneficial effect in reducing the severity of Mn toxicity in forage species”
e1“Lolium perenne L. and Trifolium repens L.”
Claim · model-written summary
The authors suggest P supply may reduce severity of Mn toxicity in Trifolium repens.
- Taxon
- Trifolium repens L.Trifolium repense1
- Treatment
- P supplye0
- Outcome
- reducing the severity of Mn toxicitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P supply may have a beneficial effect in reducing the severity of Mn toxicity in forage species”
e1“Lolium perenne L. and Trifolium repens L.”
The same questions in other papers
phosphorus · molecular: metabolites · Lolium perenne (perennial ryegrass)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
phosphorus · molecular: metabolites · Trifolium repens (white clover)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
2 papers more in this group
See all 6 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.