Abstract
The effects of aluminum (Al) stress on ion concentration and distribution were investigated in four rice cultivars (Aiwu and IKP, Al sensitive; IRAT112 and IR6023, Al resistant). Macro and micronutrient levels in plant tissues were markedly affected by Al and the magnitude of this effect depended on the cultivar group (Al resistance versus Al sensitivity) and on the concentration of Al in the nutrient solution. Al decreased Ca, P, K, Mg and Mn concentrations in shoot and K, Mg and Mn in root. It increased Ca and P in root and caused an increase in shoot and root Al contents. All these effects were observed in both cultivar groups, but were more apparent in Al sensitive ones. In conclusion, the results support the idea that, compared to the Al sensitive cultivars Aiwu and IKP, Al resistance in IRAT112 and IR6023 could be explained by a limited absorption and translocation of Al from root to shoot and could also be explained by a more efficient transport of Ca, P and Mn from root to shoot. These findings showed clearly that more than one mechanism may contribute to Al resistance in rice plants.
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Claims 7
Claim · model-written summary
Aluminum lowered shoot Ca, P, K, Mg and Mn concentrations.
- Taxon
- rice
Oryza sativat0 - Treatment
- Ale0
- Outcome
- Ca, P, K, Mg and Mn concentrations in shoote0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Al decreased Ca, P, K, Mg and Mn concentrations in shoot”
t0“rice cultivars”
Claim · model-written summary
Aluminum lowered root K, Mg and Mn concentrations.
- Taxon
- riceOryza sativat0
- Treatment
- Ale0
- Outcome
- K, Mg and Mn in roote0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Al decreased Ca, P, K, Mg and Mn concentrations in shoot and K, Mg and Mn in root”
t0“rice cultivars”
Claim · model-written summary
Aluminum raised root Ca and P.
- Taxon
- riceOryza sativat0
- Treatment
- Ale1
- Outcome
- Ca and P in roote0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It increased Ca and P in root”
t0“rice cultivars”
e1“Al decreased Ca, P, K, Mg and Mn concentrations in shoot”
Claim · model-written summary
Aluminum raised shoot and root Al contents.
- Taxon
- riceOryza sativat0
- Treatment
- Ale1
- Outcome
- shoot and root Al contentse0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“caused an increase in shoot and root Al contents”
t0“rice cultivars”
e1“Al decreased Ca, P, K, Mg and Mn concentrations in shoot”
Claim · model-written summary
Aluminum effects were more apparent in sensitive rice cultivars.
- Taxon
- riceOryza sativat0
- Material
- Al sensitive onese0
- Outcome
- All these effectse0
- Direction
- more apparente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All these effects were observed in both cultivar groups, but were more apparent in Al sensitive ones”
t0“rice cultivars”
Claim · model-written summary
Limited aluminum absorption and translocation may explain resistant cultivar behavior.
- Taxon
- riceOryza sativat0
- Material
- IRAT112 and IR6023e0
- Outcome
- Al resistancee0
- Qualifier
- limited absorption and translocation of Al from root to shoote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Al resistance in IRAT112 and IR6023 could be explained by a limited absorption and translocation of Al from root to shoot”
t0“rice cultivars”
Claim · model-written summary
More efficient root-to-shoot Ca, P and Mn transport may explain resistant cultivar behavior.
- Taxon
- riceOryza sativat0
- Material
- IRAT112 and IR6023e0
- Outcome
- Al resistancee0
- Qualifier
- more efficient transport of Ca, P and Mn from root to shoote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Al resistance in IRAT112 and IR6023 could be explained by a limited absorption and translocation of Al from root to shoot and could also be explained by a more efficient transport of Ca, P and Mn from root to shoot”
t0“rice cultivars”
The same questions in other papers
aluminium atom · nutrient: content · Oryza sativa (rice)Positive and negative results
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See all 17 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.