Abstract
Salinity stress is one of the most serious abiotic stress affecting adversely plant growth, various metabolic processes, and crop production. Using different osmoprotectants such as trehalose in alleviating salinity stress adverse effects is very important for plant production. So, the present study investigated the physiological role of trehalose (Tre) in improving wheat tolerance to oxidative stress induced by salt stress. Salinity stress (6.25 dS/m) caused marked significant decreases in wheat plant growth parameters (shoot height, fresh, and dry weights of the shoot) accompanied by significant increases in lipid peroxidation, hydrogen peroxide contents, and lipoxygenase enzyme (LOX) activity. Osmoprotectant compounds such as glucose, sucrose, trehalose, total soluble sugars (TSS), free amino acids, and proline increased in wheat plants irrigated with saline water compared with unstressed control plant. On the other hand, Tre foliar treatments (10 mM and 50 mM) proved to be effective in enhancing growth parameters and more accumulation of the tested organic solutes of leaves (glucose, sucrose, trehalose, and TSS) of salinity-stressed plants. Meanwhile, trehalose treatments with different levels caused significant decreases in lipid peroxidation, hydrogen peroxide contents, and LOX activity in normally irrigated and salinity-stressed plants. These decreases correlated with significant increases in total phenolic contents as compared with untreated control. It could be concluded that foliar spray of trehalose was effective in improving wheat performance by reducing hydrogen peroxide free radical and by enhancing antioxidant compounds (phenolics), compatible osmolytes, and membrane stability.
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Claims 10
Claim · model-written summary
Salinity significantly decreased wheat shoot height and fresh and dry weights.
- Taxon
- wheat plant
Triticum aestivume0 - Treatment
- Salinity stress (6.25 dS/m)e0
- Outcome
- shoot height, fresh, and dry weights of the shoote0
- Direction
- decreasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity stress (6.25 dS/m) caused marked significant decreases in wheat plant growth parameters (shoot height, fresh, and dry weights of the shoot)”
Claim · model-written summary
Salinity significantly increased lipid peroxidation, hydrogen peroxide and LOX activity.
- Taxon
- wheat plantTriticum aestivumt0
- Outcome
- lipid peroxidation, hydrogen peroxide contents, and lipoxygenase enzyme (LOX) activitye0
- Direction
- increasese0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant increases in lipid peroxidation, hydrogen peroxide contents, and lipoxygenase enzyme (LOX) activity.”
t0“wheat plant”
Claim · model-written summary
Saline irrigation increased glucose, sucrose and trehalose in wheat.
- Taxon
- wheat plantsTriticum aestivume0
- Treatment
- saline watere0
- Outcome
- glucose, sucrose, trehalosee0
- Direction
- increasede0
- Comparator
- unstressed control plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Osmoprotectant compounds such as glucose, sucrose, trehalose, total soluble sugars (TSS), free amino acids, and proline increased in wheat plants irrigated with saline water compared with unstressed control plant.”
Claim · model-written summary
Saline irrigation increased total soluble sugars, free amino acids and proline in wheat.
- Taxon
- wheat plantsTriticum aestivume0
- Treatment
- saline watere0
- Outcome
- total soluble sugars (TSS), free amino acids, and prolinee0
- Direction
- increasede0
- Comparator
- unstressed control plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Osmoprotectant compounds such as glucose, sucrose, trehalose, total soluble sugars (TSS), free amino acids, and proline increased in wheat plants irrigated with saline water compared with unstressed control plant.”
Claim · model-written summary
Foliar trehalose at 10 mM enhanced growth of salinity-stressed plants.
- Taxon
- wheat plantTriticum aestivumt0
- Treatment
- Tre foliar treatments (10 mM and 50 mM)e0
- Outcome
- growth parameterse0
- Direction
- enhancinge0
- Qualifier
- salinity-stressed plantse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tre foliar treatments (10 mM and 50 mM) proved to be effective in enhancing growth parameters and more accumulation of the tested organic solutes of leaves (glucose, sucrose, trehalose, and TSS) of salinity-stressed plants.”
t0“wheat plant”
Claim · model-written summary
Foliar trehalose increased leaf glucose, sucrose and trehalose in salinity-stressed plants.
- Taxon
- wheat plantTriticum aestivumt0
- Organ / stage
- leavese0
- Treatment
- Tre foliar treatments (10 mM and 50 mM)e0
- Outcome
- glucose, sucrose, trehalosee0
- Direction
- more accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tre foliar treatments (10 mM and 50 mM) proved to be effective in enhancing growth parameters and more accumulation of the tested organic solutes of leaves (glucose, sucrose, trehalose, and TSS) of salinity-stressed plants.”
t0“wheat plant”
Claim · model-written summary
Foliar trehalose increased leaf total soluble sugars in salinity-stressed plants.
- Taxon
- wheat plantTriticum aestivumt0
- Organ / stage
- leavese0
- Treatment
- Tre foliar treatments (10 mM and 50 mM)e0
- Outcome
- TSSe0
- Direction
- more accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tre foliar treatments (10 mM and 50 mM) proved to be effective in enhancing growth parameters and more accumulation of the tested organic solutes of leaves (glucose, sucrose, trehalose, and TSS) of salinity-stressed plants.”
t0“wheat plant”
Claim · model-written summary
Trehalose treatments significantly lowered lipid peroxidation, hydrogen peroxide and LOX activity under normal irrigation and salinity stress.
- Taxon
- wheat plantTriticum aestivumt0
- Treatment
- trehalose treatments with different levelse0
- Outcome
- lipid peroxidation, hydrogen peroxide contents, and LOX activitye0
- Direction
- decreasese0
- Qualifier
- normally irrigated and salinity-stressed plantse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“trehalose treatments with different levels caused significant decreases in lipid peroxidation, hydrogen peroxide contents, and LOX activity in normally irrigated and salinity-stressed plants.”
t0“wheat plant”
Claim · model-written summary
Reduced stress indicators correlated with higher total phenolic contents versus untreated controls.
- Taxon
- wheat plantTriticum aestivumt0
- Outcome
- total phenolic contentse0
- Direction
- increasese0
- Qualifier
- These decreasese0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These decreases correlated with significant increases in total phenolic contents as compared with untreated control.”
t0“wheat plant”
Claim · model-written summary
The authors conclude that foliar trehalose improves wheat performance through lower hydrogen peroxide, enhanced phenolics and osmolytes, and membrane stability.
- Taxon
- wheatTriticum aestivume0
- Treatment
- foliar spray of trehalosee0
- Outcome
- wheat performancee0
- Direction
- improvinge0
- Qualifier
- reducing hydrogen peroxide free radical and by enhancing antioxidant compounds (phenolics), compatible osmolytes, and membrane stabilitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar spray of trehalose was effective in improving wheat performance by reducing hydrogen peroxide free radical and by enhancing antioxidant compounds (phenolics), compatible osmolytes, and membrane stability.”
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