Abstract
�� In vitro experiments were performed to determine re sponses of wheat calli to ascorbic acid (AsA) concentrations (0, 250, 500, 1000 and 2000 pp m) under different levels of sea water (0, 15, 30 and 45%) and to determine suitable concentration s of AsA for exogenous treatments to enhance wheat tolerance to salinity. Results of this study indicated that AsA of (500, 1000 and 2000 ppm) concentrations improved tolerance of wheat calli to salinity. Two pot experiments were conducted during the two successive seasons 2004-2005 and 200 5-2006 to determine the effect of exogenous AsA of 0, 500, 1000 and 2000 ppm concentrations at 45 and 75 days after sowing on growth, chemical composition and yield of wheat plants cv. Giza 168 (salt sensitive) irrigated with different levels of sea water (0, 15, 30 and 45%) in comparis on with plants of cv. Sids 1 (partially salttolerant). The obtained results in this study clear ly proved the role of AsA in increasing tolerance o f wheat plants to salt stress. Exogenous AsA enhanced plant growth, chemical composition and consequently the productivity of wheat plants under salinity stress conditions. These effects may be attributed to the protective role of AsA in plant c ells from the oxidative stress induced by salinity. It could be concluded that exogenous AsA of 1000 ppm cat 45 and 75 days after sowing is the most effective treatment to increase wheat t olerance to salinity.
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Claims 5
Claim · model-written summary
AsA at 500, 1000 and 2000 ppm improved salinity tolerance of wheat calli.
- Taxon
- wheat
Triticum aestivume0 - Organ / stage
- callie0
- Treatment
- AsA of (500, 1000 and 2000 ppm) concentrationse0
- Outcome
- tolerance of wheat calli to salinitye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AsA of (500, 1000 and 2000 ppm) concentrations improved tolerance of wheat calli to salinity”
Claim · model-written summary
Exogenous AsA enhanced wheat growth under salinity stress.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Exogenous AsAe0
- Outcome
- plant growthe0
- Direction
- enhancede0
- Qualifier
- under salinity stress conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exogenous AsA enhanced plant growth, chemical composition and consequently the productivity of wheat plants under salinity stress conditions”
Claim · model-written summary
Exogenous AsA enhanced wheat chemical composition under salinity stress.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Exogenous AsAe0
- Outcome
- chemical compositione0
- Direction
- enhancede0
- Qualifier
- under salinity stress conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exogenous AsA enhanced plant growth, chemical composition and consequently the productivity of wheat plants under salinity stress conditions”
Claim · model-written summary
Exogenous AsA enhanced wheat productivity under salinity stress.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Exogenous AsAe0
- Outcome
- productivity of wheat plantse0
- Direction
- enhancede0
- Qualifier
- under salinity stress conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exogenous AsA enhanced plant growth, chemical composition and consequently the productivity of wheat plants under salinity stress conditions”
Claim · model-written summary
The authors recommend 1000 ppm exogenous AsA at 45 and 75 days after sowing as the most effective treatment for wheat salinity tolerance.
- Taxon
- wheatTriticum aestivume0
- Treatment
- exogenous AsA of 1000 ppm cat 45 and 75 days after sowinge0
- Outcome
- most effective treatment to increase wheat t olerance to salinitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous AsA of 1000 ppm cat 45 and 75 days after sowing is the most effective treatment to increase wheat t olerance to salinity”
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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.