Abstract
Aluminum (Al) toxicity is a major agronomic problem in acid soils. Most studies regarding Al stress focus on phenomena occurring in the roots; however, less is known about the effects of Al stress on photosynthetic apparatus functionality. Our aim was to rank three highbush blueberry ( Vaccinium corymbosum ) cultivars according to their tolerance to acid and Al stresses. Additionally, the levels of Al toxicity for highbush blueberry were established. ‘Brigitta’, ‘Legacy’, and ‘Bluegold’ were grown in a greenhouse in hydroponic solutions containing different Al concentrations (0, 25, 50, 75, and 100 μ m ) for 0 to 48 h and were allowed to recover (without Al) over 24 h. In all Al-treated cultivars, root growth inhibition was found at the highest Al treatment. However, ‘Brigitta’ also showed root growth up to 75 μ m Al. Photochemical parameters decreased substantially due to Al treatments in ‘Bluegold’ (up to 98% inhibition) and ‘Legacy’ (up to 80% inhibition) without total recovery. In contrast, ‘Brigitta’ showed a better photosystem II performance and root growth than the other cultivars. These results suggest that ‘Brigitta’ is the best cultivar for use in acid soils with Al toxicity, followed by ‘Legacy’. ‘Bluegold’ was highly sensitive to Al stress. In addition, Al toxicity levels for blueberries depend on the genotype studied.
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Claims 8
Claim · model-written summary
The highest aluminum treatment inhibited root growth in all cultivars.
- Taxon
- highbush blueberry
Vaccinium corymbosume0 - Treatment
- highest Al treatmente1
- Outcome
- root growthe1
- Direction
- inhibitione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our aim was to rank three highbush blueberry ( Vaccinium corymbosum ) cultivars”
e1“In all Al-treated cultivars, root growth inhibition was found at the highest Al treatment.”
Claim · model-written summary
Brigitta maintained root growth up to 75 μ m Al.
- Taxon
- highbush blueberryVaccinium corymbosume0
- Material
- ‘Brigitta’e1
- Outcome
- root growthe1
- Qualifier
- up to 75 μ m Ale1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highbush blueberry ( Vaccinium corymbosum )”
e1“‘Brigitta’ also showed root growth up to 75 μ m Al.”
Claim · model-written summary
Al treatment reduced Bluegold photochemical parameters by up to 98%, without full recovery.
- Taxon
- highbush blueberryVaccinium corymbosume0
- Material
- ‘Bluegold’e1
- Treatment
- Al treatmentse1
- Outcome
- Photochemical parameterse1
- Direction
- decreasede1
- Value
- 98%e1
- Qualifier
- without total recoverye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highbush blueberry ( Vaccinium corymbosum )”
e1“Photochemical parameters decreased substantially due to Al treatments in ‘Bluegold’ (up to 98% inhibition) and ‘Legacy’ (up to 80% inhibition) without total recovery.”
Claim · model-written summary
Al treatment reduced Legacy photochemical parameters by up to 80%, without full recovery.
- Taxon
- highbush blueberryVaccinium corymbosume0
- Material
- ‘Legacy’e1
- Treatment
- Al treatmentse1
- Outcome
- Photochemical parameterse1
- Direction
- decreasede1
- Value
- 80%e1
- Qualifier
- without total recoverye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highbush blueberry ( Vaccinium corymbosum )”
e1“Photochemical parameters decreased substantially due to Al treatments in ‘Bluegold’ (up to 98% inhibition) and ‘Legacy’ (up to 80% inhibition) without total recovery.”
Claim · model-written summary
Brigitta had better photosystem II performance and root growth than the other cultivars.
- Taxon
- highbush blueberryVaccinium corymbosume0
- Material
- ‘Brigitta’e1
- Outcome
- photosystem II performance and root growthe1
- Direction
- bettere1
- Comparator
- other cultivarse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highbush blueberry ( Vaccinium corymbosum )”
e1“‘Brigitta’ showed a better photosystem II performance and root growth than the other cultivars.”
Claim · model-written summary
The authors rank Brigitta first and Legacy second for acid soils with aluminum toxicity.
- Taxon
- highbush blueberryVaccinium corymbosume0
- Material
- ‘Brigitta’e1
- Outcome
- best cultivar for use in acid soils with Al toxicity, followed by ‘Legacy’e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highbush blueberry ( Vaccinium corymbosum )”
e1“‘Brigitta’ is the best cultivar for use in acid soils with Al toxicity, followed by ‘Legacy’.”
Claim · model-written summary
Bluegold was highly sensitive to aluminum stress.
- Taxon
- highbush blueberryVaccinium corymbosume0
- Material
- ‘Bluegold’e1
- Outcome
- highly sensitive to Al stresse1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highbush blueberry ( Vaccinium corymbosum )”
e1“‘Bluegold’ was highly sensitive to Al stress.”
Claim · model-written summary
Aluminum toxicity levels depended on blueberry genotype.
Not reportedDirection
Verbatim
e0“Al toxicity levels for blueberries depend on the genotype studied.”
The same questions in other papers
aluminium atom · physiology: photosynthesis · Vaccinium corymbosum (highbush blueberry)Results agree
1 paper in the same direction as this paper
- negative
aluminium atom · growth · Vaccinium corymbosum (highbush blueberry)Results agree
5 papers in the same direction as this paper
- negative
- negative
- negative
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.