Abstract
Abstract The effects of aluminum on biomass, nutrients and kinases were studied in two durum wheat cultivare (Triticum durum Desf. cvs Sapfo, Capeiti 82) grown in nutrient solutions (pH 4.5) at seven Al levels (0, 9.3, 18.5, 37.1, 74.1, 148, and 297 μM). The most evident Al toxicity symptom was a reduction in root growth. Sapfo showed greater Al tolerance than Capeiti 82. However, both cultivare must be characterized as Al‐sensitives. Aluminum in the nutrient solution above 74.1 μM significantly (P<0.05) reduced root growth of both durum wheat cultivare. The concentration of 74.1 μM Al can be suggested for screening of durum wheats on the basis of tolerance to Al. The concentrations of the nutrients Ca, Mg, K, and Fe in the plant tissues of both cultivare decreased even at low Al levels. The decrease of Ca+2 content in leaves and roots of the two durum wheat cultivare was almost the same while the less sensitive cultivar Sapfo retained larger amounts of Mg+2 in roots and leaves compared with the more sensitive cultivar Capeiti 82. Yet, Sapfo retained at 297 μM Al larger amounts of Fe in roots and leaves as a percentage of the control (‐A1) compared with Capeiti. The uptake of K+ in both cultivare tended to decrease under Al treatment. An indication is mentioned that protein kinases participate in plant responses to Al stress.
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Claims 11
Claim · model-written summary
Aluminum toxicity reduced durum wheat root growth.
- Taxon
- durum wheat
Triticum turgidum subsp. durumt0 - Treatment
- Ale0
- Outcome
- root growthe0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“The most evident Al toxicity symptom was a reduction in root growth”
Claim · model-written summary
Sapfo had greater aluminum tolerance than Capeiti 82.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Material
- Sapfoe0
- Outcome
- Al tolerancee0
- Direction
- greatere0
- Comparator
- Capeiti 82e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“Sapfo showed greater Al tolerance than Capeiti 82”
Claim · model-written summary
Both cultivars were characterized as aluminum sensitive.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Outcome
- Al‐sensitivese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“both cultivare must be characterized as Al‐sensitives”
Claim · model-written summary
Aluminum above 74.1 μM significantly reduced root growth in both cultivars.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Treatment
- Aluminum in the nutrient solution above 74.1 μMe0
- Outcome
- root growthe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“Aluminum in the nutrient solution above 74.1 μM significantly (P<0.05) reduced root growth of both durum wheat cultivare”
Claim · model-written summary
The authors suggest 74.1 μM aluminum for screening durum wheat tolerance.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Outcome
- screening of durum wheatse0
- Value
- 74.1 μMe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“The concentration of 74.1 μM Al can be suggested for screening of durum wheats on the basis of tolerance to Al”
Claim · model-written summary
Tissue calcium, magnesium, potassium, and iron concentrations decreased even at low aluminum levels.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Organ / stage
- plant tissuese0
- Treatment
- low Al levelse0
- Outcome
- concentrations of the nutrients Ca, Mg, K, and Fee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“The concentrations of the nutrients Ca, Mg, K, and Fe in the plant tissues of both cultivare decreased even at low Al levels”
Claim · model-written summary
Calcium content decreased similarly in leaves and roots of both cultivars.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Organ / stage
- leaves and rootse0
- Outcome
- Ca+2 contente0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“The decrease of Ca+2 content in leaves and roots of the two durum wheat cultivare was almost the same”
Claim · model-written summary
Sapfo retained more magnesium in roots and leaves than Capeiti 82.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Material
- Sapfoe0
- Outcome
- Mg+2 in roots and leavese0
- Direction
- largere0
- Comparator
- Capeiti 82e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“the less sensitive cultivar Sapfo retained larger amounts of Mg+2 in roots and leaves compared with the more sensitive cultivar Capeiti 82”
Claim · model-written summary
At 297 μM aluminum, Sapfo retained more iron in roots and leaves relative to controls than Capeiti 82.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Material
- Sapfoe0
- Outcome
- Fe in roots and leavese0
- Direction
- largere0
- Qualifier
- 297 μM Ale0
- Comparator
- Capeitie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“Sapfo retained at 297 μM Al larger amounts of Fe in roots and leaves as a percentage of the control (‐A1) compared with Capeiti”
Claim · model-written summary
Potassium uptake tended to decrease with aluminum treatment in both cultivars.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Treatment
- Al treatmente0
- Outcome
- uptake of K+e0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“The uptake of K+ in both cultivare tended to decrease under Al treatment”
Claim · model-written summary
Protein kinases were suggested to participate in plant responses to aluminum stress.
- Taxon
- durum wheatTriticum turgidum subsp. durumt0
- Gene
- protein kinasese0
- Outcome
- plant responses to Al stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“durum wheat cultivars”
e0“An indication is mentioned that protein kinases participate in plant responses to Al stress”
The same questions in other papers
aluminium atom · growth · Triticum turgidum (rivet wheat)Positive and negative results
1 in the opposite direction
- positive
fertilization · growth · Triticum turgidum (rivet wheat)Positive and negative results
2 papers in the same direction as this paper · 19 in the opposite direction
- positive
- positive
- positive
18 papers more in this group
See all 22 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.