Abstract
This work investigated the potential of two concentrations of H2O2 (0.10 and 0.20 mM) applied through irrigation water, as a priming factor, in reducing the detrimental effects of soil salinity stress on wheat (Triticum aestivum L.). Two wheat genotypes, Gemaiza 9 (G9) as a moderately salt sensitive and Sakha 93 (S93) as a salt tolerant, were grown in pots containing a saline clay soil (ECe of 7.35 dS/m) under greenhouse conditions for 45 days. The obtained results showed that H2O2 application at 0.10 and 0.20 mM stimulated the germination of G9 genotype by 10 and 20%, respectively. Both fresh and dry shoot weights of G9 had increased by 9.92 and 7.70 and 8.52 and 8.2% for 0.1 and 0.2 mM H2O2 treated plants, respectively, as compared to control treatment. In contrast, In S93 genotype, negative effects on germination and fresh and dry weight were recorded. The irrigation with 0.1mM H2O2-treated water markedly increased the tillers to about 100% and 22.2% in G9 and S93, respectively, while 0.2mM H2O2 treatment increased the tillers number to 28.6% more in G9 and decreased it 16.7% in S93. Addition of 0.2 mM H2O2 had a negative effect on chlorophyll A content in both cultivars. In G9, chlorophyll B and carotene content were promoted particularly by 0.2mM H2O2. Significant decreases in Na+ content in both cultivars were observed with H2O2 application while potassium was not markedly affected. The K+/Na+ ratio of G9 was lower than that in S93 in all treatments and tended to increase in both genotypes with H2O2 applications. It can be conducted that application of H2O2 as a physiological priming factor may play a significant role in growth improvement of moderately salt sensitive wheat genotypes such as G9 through promotion of Chlorophyll B synthesis and reduction of Na+ content.
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Claims 18
Claim · model-written summary
H2O2 at 0.10 mM stimulated germination of G9 by 10%.
- Taxon
- WHEAT
Triticum aestivumt0 - Material
- G9e1
- Treatment
- H2O2 application at 0.10 and 0.20 mMe1
- Outcome
- germinatione1
- Direction
- stimulatede1
- Value
- 10e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“H2O2 application at 0.10 and 0.20 mM stimulated the germination of G9 genotype by 10 and 20%, respectively”
Claim · model-written summary
H2O2 at 0.20 mM stimulated germination of G9 by 20%.
- Taxon
- WHEATTriticum aestivumt0
- Material
- G9e1
- Treatment
- H2O2 application at 0.10 and 0.20 mMe1
- Outcome
- germinatione1
- Direction
- stimulatede1
- Value
- 20%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“H2O2 application at 0.10 and 0.20 mM stimulated the germination of G9 genotype by 10 and 20%, respectively”
Claim · model-written summary
H2O2 at 0.1 mM increased fresh shoot weight of G9 by 9.92% compared with control.
- Taxon
- WHEATTriticum aestivumt0
- Material
- G9e1
- Treatment
- 0.1 and 0.2 mM H2O2 treated plantse1
- Outcome
- shoot weightse1
- Direction
- increasede1
- Value
- 9.92e1
- Qualifier
- freshe1
- Comparator
- control treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“Both fresh and dry shoot weights of G9 had increased by 9.92 and 7.70 and 8.52 and 8.2% for 0.1 and 0.2 mM H2O2 treated plants, respectively, as compared to control treatment”
Claim · model-written summary
H2O2 at 0.1 mM increased dry shoot weight of G9 by 7.70% compared with control.
- Taxon
- WHEATTriticum aestivumt0
- Material
- G9e1
- Treatment
- 0.1 and 0.2 mM H2O2 treated plantse1
- Outcome
- shoot weightse1
- Direction
- increasede1
- Value
- 7.70e1
- Qualifier
- drye1
- Comparator
- control treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“Both fresh and dry shoot weights of G9 had increased by 9.92 and 7.70 and 8.52 and 8.2% for 0.1 and 0.2 mM H2O2 treated plants, respectively, as compared to control treatment”
Claim · model-written summary
H2O2 at 0.2 mM increased fresh shoot weight of G9 by 8.52% compared with control.
- Taxon
- WHEATTriticum aestivumt0
- Material
- G9e1
- Treatment
- 0.1 and 0.2 mM H2O2 treated plantse1
- Outcome
- shoot weightse1
- Direction
- increasede1
- Value
- 8.52e1
- Qualifier
- freshe1
- Comparator
- control treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“Both fresh and dry shoot weights of G9 had increased by 9.92 and 7.70 and 8.52 and 8.2% for 0.1 and 0.2 mM H2O2 treated plants, respectively, as compared to control treatment”
Claim · model-written summary
H2O2 at 0.2 mM increased dry shoot weight of G9 by 8.2% compared with control.
- Taxon
- WHEATTriticum aestivumt0
- Material
- G9e1
- Treatment
- 0.1 and 0.2 mM H2O2 treated plantse1
- Outcome
- shoot weightse1
- Direction
- increasede1
- Value
- 8.2%e1
- Qualifier
- drye1
- Comparator
- control treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“Both fresh and dry shoot weights of G9 had increased by 9.92 and 7.70 and 8.52 and 8.2% for 0.1 and 0.2 mM H2O2 treated plants, respectively, as compared to control treatment”
Claim · model-written summary
Irrigation with 0.1 mM H2O2-treated water increased tiller number of G9 by about 100%.
- Taxon
- WHEATTriticum aestivumt0
- Material
- G9e1
- Treatment
- irrigation with 0.1mM H2O2-treated watere1
- Outcome
- tillerse1
- Direction
- increasede1
- Value
- 100%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“The irrigation with 0.1mM H2O2-treated water markedly increased the tillers to about 100% and 22.2% in G9 and S93, respectively, while 0.2mM H2O2 treatment increased the tillers number to 28.6% more in G9 and decreased it 16.7% in S93”
Claim · model-written summary
Irrigation with 0.1 mM H2O2-treated water increased tiller number of S93 by 22.2%.
- Taxon
- WHEATTriticum aestivumt0
- Material
- S93e1
- Treatment
- irrigation with 0.1mM H2O2-treated watere1
- Outcome
- tillerse1
- Direction
- increasede1
- Value
- 22.2%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“The irrigation with 0.1mM H2O2-treated water markedly increased the tillers to about 100% and 22.2% in G9 and S93, respectively, while 0.2mM H2O2 treatment increased the tillers number to 28.6% more in G9 and decreased it 16.7% in S93”
Claim · model-written summary
H2O2 at 0.2 mM increased tiller number of G9 by 28.6%.
- Taxon
- WHEATTriticum aestivumt0
- Material
- G9e1
- Treatment
- 0.2mM H2O2 treatmente1
- Outcome
- tillerse1
- Direction
- increasede1
- Value
- 28.6%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“The irrigation with 0.1mM H2O2-treated water markedly increased the tillers to about 100% and 22.2% in G9 and S93, respectively, while 0.2mM H2O2 treatment increased the tillers number to 28.6% more in G9 and decreased it 16.7% in S93”
Claim · model-written summary
H2O2 at 0.2 mM decreased tiller number of S93 by 16.7%.
- Taxon
- WHEATTriticum aestivumt0
- Material
- S93e1
- Treatment
- 0.2mM H2O2 treatmente1
- Outcome
- tillerse1
- Direction
- decreasede1
- Value
- 16.7%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“The irrigation with 0.1mM H2O2-treated water markedly increased the tillers to about 100% and 22.2% in G9 and S93, respectively, while 0.2mM H2O2 treatment increased the tillers number to 28.6% more in G9 and decreased it 16.7% in S93”
Claim · model-written summary
In S93, germination and fresh and dry weight showed negative effects under the H2O2 treatments.
- Taxon
- WHEATTriticum aestivumt0
- Material
- S93e1
- Outcome
- germination and fresh and dry weighte1
- Direction
- decreaseinferrede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“In contrast, In S93 genotype, negative effects on germination and fresh and dry weight were recorded”
Claim · model-written summary
Addition of 0.2 mM H2O2 decreased chlorophyll A content in both wheat cultivars.
- Taxon
- WHEATTriticum aestivumt0
- Treatment
- Addition of 0.2 mM H2O2e1
- Outcome
- chlorophyll A contente1
- Direction
- decreaseinferrede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“Addition of 0.2 mM H2O2 had a negative effect on chlorophyll A content in both cultivars”
Claim · model-written summary
In G9, 0.2 mM H2O2 promoted chlorophyll B and carotene content.
- Taxon
- WHEATTriticum aestivumt0
- Material
- G9e1
- Treatment
- 0.2mM H2O2e1
- Outcome
- chlorophyll B and carotene contente1
- Direction
- promotede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“In G9, chlorophyll B and carotene content were promoted particularly by 0.2mM H2O2”
Claim · model-written summary
H2O2 application decreased Na+ content in both wheat cultivars.
- Taxon
- WHEATTriticum aestivumt0
- Treatment
- H2O2 applicatione1
- Outcome
- Na+ contente1
- Direction
- decreasese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“Significant decreases in Na+ content in both cultivars were observed with H2O2 application while potassium was not markedly affected”
Claim · model-written summary
H2O2 application did not markedly affect potassium content in either wheat cultivar.
- Taxon
- WHEATTriticum aestivumt0
- Treatment
- H2O2 applicatione1
- Outcome
- potassiume1
- Direction
- not markedly affectede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“Significant decreases in Na+ content in both cultivars were observed with H2O2 application while potassium was not markedly affected”
Claim · model-written summary
The K+/Na+ ratio of G9 was lower than that of S93 in all treatments.
- Taxon
- WHEATTriticum aestivumt0
- Material
- G9e1
- Outcome
- K+/Na+ ratioe1
- Direction
- lowere1
- Qualifier
- in all treatmentse1
- Comparator
- S93e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“The K+/Na+ ratio of G9 was lower than that in S93 in all treatments and tended to increase in both genotypes with H2O2 applications”
Claim · model-written summary
H2O2 applications tended to increase the K+/Na+ ratio in both genotypes.
- Taxon
- WHEATTriticum aestivumt0
- Treatment
- H2O2 applicationse1
- Outcome
- K+/Na+ ratioe1
- Direction
- tended to increasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“The K+/Na+ ratio of G9 was lower than that in S93 in all treatments and tended to increase in both genotypes with H2O2 applications”
Claim · model-written summary
H2O2 priming may improve growth of moderately salt-sensitive wheat such as G9 through promotion of chlorophyll B synthesis and reduction of Na+ content.
- Taxon
- WHEATTriticum aestivumt0
- Material
- G9e1
- Treatment
- application of H2O2 as a physiological priming factore1
- Outcome
- growth improvemente1
- Qualifier
- through promotion of Chlorophyll B synthesis and reduction of Na+ contente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“WHEAT (Triticum aestivum)”
e1“application of H2O2 as a physiological priming factor may play a significant role in growth improvement of moderately salt sensitive wheat genotypes such as G9 through promotion of Chlorophyll B synthesis and reduction of Na+ content”
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