Abstract
Two wheat ( Triticum aestivum L.) cultivars with different drought tolerance (the drought tolerant HF9703 and the drought sensitive SN215953) were used to examine the effect of exogenous glycinebetaine (GB) applied to root system on the drought tolerance of wheat seedlings. The results showed that GB treatment can ameliorate the water status of the wheat seedlings under water stress. The GB treated seedlings maintained higher water potential ( Ψ W), turgor ( Ψ P) and relative water content (RWC) than untreated seedlings, which were ascribed to the improved osmotic adjustment (OA) caused by the enhanced accumulation of soluble sugars and free proline. Exogenous GB could improve the anti oxidant en zyme activities in wheat seedlings under water stress. The GB treated seedlings had higher SOD, APX and POD (but not CAT) activities and lower MDA content than controls. It was concluded that the exogenous GB could improve the drought tolerance of wheat seedlings by ameliorating the water status through improving the OA and anti oxidant enzyme activities. Our results also showed that the drought tolerance cultivar maintained a better water status and higher anti oxidative enzyme activities than the drought sensitive cultivar after water stress, moreover, exogenous GB had a more significant effect on ameliorating the water status of drought sensitive cultivar than that of the drought tolerance cultivar while there was no difference in the effect of exogenous GB on the improvement of anti oxidant enzyme activities between two cultivars.
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Claims 9
Claim · model-written summary
Glycinebetaine-treated wheat seedlings maintained higher water potential, turgor and relative water content than untreated seedlings.
- Taxon
- wheat
Triticum aestivume0 - Organ / stage
- seedlingse1
- Treatment
- exogenous glycinebetaine (GB)e0
- Outcome
- water potential ( Ψ W), turgor ( Ψ P) and relative water content (RWC)e1
- Direction
- highere1
- Comparator
- untreated seedlingse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous glycinebetaine (GB) applied to root system on the drought tolerance of wheat seedlings”
e1“The GB treated seedlings maintained higher water potential ( Ψ W), turgor ( Ψ P) and relative water content (RWC) than untreated seedlings”
Claim · model-written summary
Improved osmotic adjustment in wheat seedlings is ascribed to enhanced accumulation of soluble sugars and free proline.
- Taxon
- wheatTriticum aestivume0
- Compound
- soluble sugars and free prolinee2
- Outcome
- osmotic adjustment (OA)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous glycinebetaine (GB) applied to root system on the drought tolerance of wheat seedlings”
e2“the improved osmotic adjustment (OA) caused by the enhanced accumulation of soluble sugars and free proline”
Claim · model-written summary
GB-treated wheat seedlings had higher SOD, APX and POD activities than controls.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- seedlingse3
- Treatment
- GBe3
- Outcome
- SOD, APX and PODe3
- Direction
- highere3
- Comparator
- controlse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous glycinebetaine (GB) applied to root system on the drought tolerance of wheat seedlings”
e3“The GB treated seedlings had higher SOD, APX and POD (but not CAT) activities and lower MDA content than controls”
Claim · model-written summary
GB treatment did not raise CAT activity in wheat seedlings relative to controls.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- seedlingse3
- Treatment
- GBe3
- Outcome
- CATe3
- Direction
- no_changeinferrede3
- Comparator
- controlse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous glycinebetaine (GB) applied to root system on the drought tolerance of wheat seedlings”
e3“The GB treated seedlings had higher SOD, APX and POD (but not CAT) activities and lower MDA content than controls”
Claim · model-written summary
GB-treated wheat seedlings had lower MDA content than controls.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- seedlingse3
- Treatment
- GBe3
- Outcome
- MDA contente3
- Direction
- lowere3
- Comparator
- controlse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous glycinebetaine (GB) applied to root system on the drought tolerance of wheat seedlings”
e3“The GB treated seedlings had higher SOD, APX and POD (but not CAT) activities and lower MDA content than controls”
Claim · model-written summary
The drought tolerance cultivar maintained a better water status than the drought sensitive cultivar after water stress.
- Taxon
- wheatTriticum aestivume0
- Material
- drought tolerance cultivare4
- Treatment
- water stresse4
- Outcome
- water statuse4
- Direction
- bettere4
- Comparator
- drought sensitive cultivare4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous glycinebetaine (GB) applied to root system on the drought tolerance of wheat seedlings”
e4“the drought tolerance cultivar maintained a better water status and higher anti oxidative enzyme activities than the drought sensitive cultivar after water stress”
Claim · model-written summary
The drought tolerance cultivar had higher anti oxidative enzyme activities than the drought sensitive cultivar after water stress.
- Taxon
- wheatTriticum aestivume0
- Material
- drought tolerance cultivare4
- Treatment
- water stresse4
- Outcome
- anti oxidative enzyme activitiese4
- Direction
- highere4
- Comparator
- drought sensitive cultivare4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous glycinebetaine (GB) applied to root system on the drought tolerance of wheat seedlings”
e4“the drought tolerance cultivar maintained a better water status and higher anti oxidative enzyme activities than the drought sensitive cultivar after water stress”
Claim · model-written summary
Exogenous GB had a more significant effect on the water status of the drought sensitive cultivar than of the drought tolerance cultivar.
- Taxon
- wheatTriticum aestivume0
- Material
- drought sensitive cultivare5
- Treatment
- exogenous GBe5
- Outcome
- water statuse5
- Direction
- more significant effecte5
- Comparator
- drought tolerance cultivare5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous glycinebetaine (GB) applied to root system on the drought tolerance of wheat seedlings”
e5“exogenous GB had a more significant effect on ameliorating the water status of drought sensitive cultivar than that of the drought tolerance cultivar”
Claim · model-written summary
Exogenous GB had no different effect on the improvement of antioxidant enzyme activities between the two wheat cultivars.
- Taxon
- wheatTriticum aestivume0
- Treatment
- exogenous GBe6
- Outcome
- improvement of anti oxidant enzyme activitiese6
- Direction
- no differencee6
- Comparator
- two cultivarse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous glycinebetaine (GB) applied to root system on the drought tolerance of wheat seedlings”
e6“there was no difference in the effect of exogenous GB on the improvement of anti oxidant enzyme activities between two cultivars”
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See all 6 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.