Abstract
Water stress is the major environmental stresses that affect agricultural production worldwide, especially in arid and semi-arid regions. This research investigated the effect of water deficit on wheat cultivars (Al-gaimi, Sindy-1, Sindy-2, and Hab-Ahmar) grown in the Kingdom of Saudi Arabia. Mild (50%) and severe (30%) water deficit regimes were used with a control of 80% soil field capacity. The effect of water stress on growth parameters was investigated including; plant height, leaf area, dry weights of roots, shoots and whole plant. Relative Water Content (RWC) and Water Use Efficiency (WUE) were also determined. The results indicated that the effect of water deficit on growth depended on the combination of water stress regime and wheat cultivars. Mild water deficit affected Sindy-2 and Hab-Ahmar, while Al-gaimi was less affected with neither decrease in root dry weight nor change in dry weight. Under severe stress, growth was decreased in Hab-Ahmar followed by Sindy-2 then Sindy- 1, while Al-gaimi was not affected. Al-gaimi and Hab-Ahmar showed a decrease in RWC under the severe stress. Neither Sindy-1 nor Sindy-2 showed change in RWC due to water stress treatments. WUE decreased under severe water deficit in Hab-Ahmar and Sindy-2, but not affected in Sindy-1 and Al- gaimi.
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Claims 16
Claim · model-written summary
Mild water deficit affected Sindy-2 growth.
- Taxon
- wheat
Triticum aestivumt0 - Material
- Sindy-2e0
- Treatment
- Mild water deficite0
- Outcome
- growtht0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mild water deficit affected Sindy-2 and Hab-Ahmar, while Al-gaimi was less affected with neither decrease in root dry weight nor change in dry weight.”
t0“growth and water use efficiency (WUE) of some wheat cultivars”
Claim · model-written summary
Mild water deficit affected Hab-Ahmar growth.
- Taxon
- wheatTriticum aestivumt0
- Material
- Hab-Ahmare0
- Treatment
- Mild water deficite0
- Outcome
- growtht0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mild water deficit affected Sindy-2 and Hab-Ahmar, while Al-gaimi was less affected with neither decrease in root dry weight nor change in dry weight.”
t0“growth and water use efficiency (WUE) of some wheat cultivars”
Claim · model-written summary
Al-gaimi root dry weight did not decrease under mild deficit.
- Taxon
- wheatTriticum aestivumt0
- Material
- Al-gaimie0
- Treatment
- Mild water deficite0
- Outcome
- root dry weighte0
- Direction
- neither decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mild water deficit affected Sindy-2 and Hab-Ahmar, while Al-gaimi was less affected with neither decrease in root dry weight nor change in dry weight.”
t0“wheat cultivars”
Claim · model-written summary
Al-gaimi dry weight did not change under mild deficit.
- Taxon
- wheatTriticum aestivumt0
- Material
- Al-gaimie0
- Treatment
- Mild water deficite0
- Outcome
- dry weighte0
- Direction
- nor changee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mild water deficit affected Sindy-2 and Hab-Ahmar, while Al-gaimi was less affected with neither decrease in root dry weight nor change in dry weight.”
t0“wheat cultivars”
Claim · model-written summary
Severe stress decreased Hab-Ahmar growth most.
- Taxon
- wheatTriticum aestivumt0
- Material
- Hab-Ahmare0
- Treatment
- severe stresse0
- Outcome
- growthe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under severe stress, growth was decreased in Hab-Ahmar followed by Sindy-2 then Sindy- 1, while Al-gaimi was not affected.”
t0“wheat cultivars”
Claim · model-written summary
Severe stress decreased Sindy-2 growth less than Hab-Ahmar.
- Taxon
- wheatTriticum aestivumt0
- Material
- Sindy-2e0
- Treatment
- severe stresse0
- Outcome
- growthe0
- Direction
- decreasede0
- Comparator
- Hab-Ahmare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under severe stress, growth was decreased in Hab-Ahmar followed by Sindy-2 then Sindy- 1, while Al-gaimi was not affected.”
t0“wheat cultivars”
Claim · model-written summary
Severe stress decreased Sindy- 1 growth less than Sindy-2.
- Taxon
- wheatTriticum aestivumt0
- Material
- Sindy- 1e0
- Treatment
- severe stresse0
- Outcome
- growthe0
- Direction
- decreasede0
- Comparator
- Sindy-2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under severe stress, growth was decreased in Hab-Ahmar followed by Sindy-2 then Sindy- 1, while Al-gaimi was not affected.”
t0“wheat cultivars”
Claim · model-written summary
Severe stress did not affect Al-gaimi growth.
- Taxon
- wheatTriticum aestivumt0
- Material
- Al-gaimie0
- Treatment
- severe stresse0
- Outcome
- growthe0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under severe stress, growth was decreased in Hab-Ahmar followed by Sindy-2 then Sindy- 1, while Al-gaimi was not affected.”
t0“wheat cultivars”
Claim · model-written summary
Severe stress decreased relative water content in Al-gaimi.
- Taxon
- wheatTriticum aestivumt0
- Material
- Al-gaimie0
- Treatment
- severe stresse0
- Outcome
- RWCe0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Al-gaimi and Hab-Ahmar showed a decrease in RWC under the severe stress.”
t0“wheat cultivars”
Claim · model-written summary
Severe stress decreased relative water content in Hab-Ahmar.
- Taxon
- wheatTriticum aestivumt0
- Material
- Hab-Ahmare0
- Treatment
- severe stresse0
- Outcome
- RWCe0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Al-gaimi and Hab-Ahmar showed a decrease in RWC under the severe stress.”
t0“wheat cultivars”
Claim · model-written summary
Water stress did not change RWC in Sindy-1.
- Taxon
- wheatTriticum aestivumt0
- Material
- Sindy-1e0
- Treatment
- water stress treatmentse0
- Outcome
- RWCe0
- Direction
- Neithere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Neither Sindy-1 nor Sindy-2 showed change in RWC due to water stress treatments.”
t0“wheat cultivars”
Claim · model-written summary
Water stress did not change RWC in Sindy-2.
- Taxon
- wheatTriticum aestivumt0
- Material
- Sindy-2e0
- Treatment
- water stress treatmentse0
- Outcome
- RWCe0
- Direction
- Neithere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Neither Sindy-1 nor Sindy-2 showed change in RWC due to water stress treatments.”
t0“wheat cultivars”
Claim · model-written summary
Severe deficit decreased WUE in Hab-Ahmar.
- Taxon
- wheatTriticum aestivumt0
- Material
- Hab-Ahmare0
- Treatment
- severe water deficite0
- Outcome
- WUEe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“WUE decreased under severe water deficit in Hab-Ahmar and Sindy-2, but not affected in Sindy-1 and Al- gaimi.”
t0“wheat cultivars”
Claim · model-written summary
Severe deficit decreased WUE in Sindy-2.
- Taxon
- wheatTriticum aestivumt0
- Material
- Sindy-2e0
- Treatment
- severe water deficite0
- Outcome
- WUEe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“WUE decreased under severe water deficit in Hab-Ahmar and Sindy-2, but not affected in Sindy-1 and Al- gaimi.”
t0“wheat cultivars”
Claim · model-written summary
Severe deficit did not affect WUE in Sindy-1.
- Taxon
- wheatTriticum aestivumt0
- Material
- Sindy-1e0
- Treatment
- severe water deficite0
- Outcome
- WUEe0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“WUE decreased under severe water deficit in Hab-Ahmar and Sindy-2, but not affected in Sindy-1 and Al- gaimi.”
t0“wheat cultivars”
Claim · model-written summary
Severe deficit did not affect WUE in Al- gaimi.
- Taxon
- wheatTriticum aestivumt0
- Material
- Al- gaimie0
- Treatment
- severe water deficite0
- Outcome
- WUEe0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“WUE decreased under severe water deficit in Hab-Ahmar and Sindy-2, but not affected in Sindy-1 and Al- gaimi.”
t0“wheat cultivars”
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