Abstract
In order to study salt effect on wild and cultivated wheat, three accessions of Aegilops genicula Roth. (wild wheat) from Ain Zana, Zaghouan, and Sbitla and a variety of Triticum durum L. (cultivated wheat) were grown in greenhouse and treated with different salinity levels. Leaf growth, water relations, and proline and sugar contents were measured for each plant at the reproductive stage and analyzed using SAS software. T. durum and the three accessions of A. geniculata responded to saline stress by developing avoidance and tolerance mechanisms. The avoidance mechanisms took place at the morphological and physiological levels. Morphologically, a reduction of leaf number and length were observed, which are considered as mechanisms that regulate water loss via transpiration. Tolerance mechanisms included osmotic adjustment, a decrease of leaf cell elasticity, and an increase of apoplast water content. This study showed a high variability in these characteristics, which is mainly related to seed geographical origins. It was also observed that Sbitla accession was the least affected by the imposed salt stress (57% at 200 mM) while Ain zana was the most affected (84% at 200 mM).
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Claims 7
Claim · model-written summary
Salinity reduced leaf number and length in the studied wheat taxa.
- Taxon
- Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)
Triticum turgidum subsp. durum
Aegilops geniculatat0 - Treatment
- saline stresse0
- Outcome
- leaf number and lengthe0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T. durum and the three accessions of A. geniculata responded to saline stress by developing avoidance and tolerance mechanisms. The avoidance mechanisms took place at the morphological and physiological levels. Morphologically, a reduction of leaf number and length were observed”
t0“Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)”
Claim · model-written summary
Salt-stressed plants showed osmotic adjustment.
- Taxon
- Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)Triticum turgidum subsp. durumAegilops geniculatat0
- Outcome
- osmotic adjustmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tolerance mechanisms included osmotic adjustment, a decrease of leaf cell elasticity, and an increase of apoplast water content.”
t0“Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)”
Claim · model-written summary
Salt-stressed plants showed decreased leaf cell elasticity.
- Taxon
- Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)Triticum turgidum subsp. durumAegilops geniculatat0
- Outcome
- leaf cell elasticitye0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a decrease of leaf cell elasticity”
t0“Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)”
Claim · model-written summary
Salt-stressed plants showed increased apoplast water content.
- Taxon
- Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)Triticum turgidum subsp. durumAegilops geniculatat0
- Outcome
- apoplast water contente0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an increase of apoplast water content”
t0“Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)”
Claim · model-written summary
Responses to salt stress varied substantially with seed geographic origin.
- Taxon
- Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)Triticum turgidum subsp. durumAegilops geniculatat0
- Outcome
- high variability in these characteristicse0
- Setting
- seed geographical originse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study showed a high variability in these characteristics, which is mainly related to seed geographical origins.”
t0“Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)”
Claim · model-written summary
The Sbitla accession was least affected by salinity, at 57% under 200 mM.
- Taxon
- Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)Triticum turgidum subsp. durumAegilops geniculatat0
- Material
- Sbitla accessione0
- Treatment
- 200 mMe0
- Outcome
- affected by the imposed salt stresse0
- Direction
- least affectede0
- Value
- 57%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sbitla accession was the least affected by the imposed salt stress (57% at 200 mM)”
t0“Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)”
Claim · model-written summary
The Ain zana accession was most affected by salinity, at 84% under 200 mM.
- Taxon
- Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)Triticum turgidum subsp. durumAegilops geniculatat0
- Material
- Ain zanae0
- Treatment
- 200 mMe0
- Outcome
- most affectede0
- Direction
- most affectede0
- Value
- 84%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ain zana was the most affected (84% at 200 mM)”
t0“Aegilops geniculata Roth. and wheat ( Triticum durum Desf.)”
The same questions in other papers
salinity · growth · Triticum turgidum (rivet wheat)Positive and negative results
24 papers in the same direction as this paper · 4 in the opposite direction
- negative
- positive
- positive
25 papers more in this group
See all 29 papers →salinity · growth · Aegilops geniculataResults agree
1 paper in the same direction as this paper
- negative
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.