Abstract
The experiment was conducted to appraise whether exogenously applied selenium (Se) could alter nutrients acquisition and metabolism to mitigate the toxic effects of salinity in wheat. Seeds of two contrasting wheat (Triticum aestivum L.) cultivars (Auqab-2000 and Seher-2006) were pre-treated with different concentrations (0, 50, 100 µM) of sodium selenate for 12 h. The pots were irrigated with different NaCl concentrations (0 and 150 mM) applied through Hoagland’s nutrient solution before sowing. Salinity reduced fresh and dry mass and grain yield, but the exogenous Se restored the growth and increased grain yield. Further, salt stress decreased the concentrations of K+, Ca2+, P, N, Fe and Se while increased the concentration of Na+ and Cl‒ in the shoots and roots of wheat. The exogenous Se increased K+, Ca2+, N, Fe and Se concentrations while decreased Na+, Cl− and P, and thus mainly reversed the inhibitory effects of salinity on nutrients uptake. Further, exogenous Se increased the accumulation of proline and glycinebetaine under salinity. Overall, Se-priming proved an effective shotgun technique to mitigate the detrimental effects of salinity possibly through its beneficial effects on tissue-specific ion acquisition and accumulation of osmoprotectants in wheat.
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Claims 11
Claim · model-written summary
Salinity reduced wheat fresh and dry mass.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Salinitye0
- Outcome
- fresh and dry masse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity reduced fresh and dry mass and grain yield”
t0“wheat”
Claim · model-written summary
Salinity reduced wheat grain yield.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Salinitye0
- Outcome
- grain yielde0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity reduced fresh and dry mass and grain yield”
t0“wheat”
Claim · model-written summary
Selenium priming restored wheat growth under salinity.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous See0
- Outcome
- growthe0
- Direction
- restorede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the exogenous Se restored the growth and increased grain yield”
t0“wheat”
Claim · model-written summary
Selenium priming increased wheat grain yield under salinity.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous See0
- Outcome
- grain yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the exogenous Se restored the growth and increased grain yield”
t0“wheat”
Claim · model-written summary
Salt stress decreased wheat shoot and root K+, Ca2+ and P concentrations.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- shoots and rootse0
- Treatment
- salt stresse0
- Outcome
- concentrations of K+, Ca2+, Pe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salt stress decreased the concentrations of K+, Ca2+, P, N, Fe and Se while increased the concentration of Na+ and Cl‒ in the shoots and roots of wheat”
Claim · model-written summary
Salt stress decreased wheat shoot and root N, Fe and Se concentrations.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- shoots and rootse0
- Treatment
- salt stresse0
- Outcome
- N, Fe and See0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salt stress decreased the concentrations of K+, Ca2+, P, N, Fe and Se while increased the concentration of Na+ and Cl‒ in the shoots and roots of wheat”
Claim · model-written summary
Salt stress increased wheat shoot and root Na+ and Cl‒ concentrations.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- shoots and rootse0
- Treatment
- salt stresse0
- Outcome
- concentration of Na+ and Cl‒e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salt stress decreased the concentrations of K+, Ca2+, P, N, Fe and Se while increased the concentration of Na+ and Cl‒ in the shoots and roots of wheat”
Claim · model-written summary
Exogenous Se increased wheat K+, Ca2+ and N concentrations.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous See0
- Outcome
- K+, Ca2+, Ne0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The exogenous Se increased K+, Ca2+, N, Fe and Se concentrations while decreased Na+, Cl− and P”
t0“wheat”
Claim · model-written summary
Exogenous Se increased wheat Fe and Se concentrations.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous See0
- Outcome
- Fe and Se concentrationse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The exogenous Se increased K+, Ca2+, N, Fe and Se concentrations while decreased Na+, Cl− and P”
t0“wheat”
Claim · model-written summary
Exogenous Se decreased wheat Na+, Cl− and P concentrations.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous See0
- Outcome
- Na+, Cl− and Pe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The exogenous Se increased K+, Ca2+, N, Fe and Se concentrations while decreased Na+, Cl− and P”
t0“wheat”
Claim · model-written summary
Exogenous Se increased proline and glycinebetaine accumulation under salinity.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous See0
- Outcome
- accumulation of proline and glycinebetainee0
- Direction
- increasede0
- Qualifier
- under salinitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous Se increased the accumulation of proline and glycinebetaine under salinity”
t0“wheat”
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See all 377 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.