Abstract
A pot experiment was carried out under greenhouse conditions to test the reaction of different wheat genotypes to salt stress. The seeds of 15 wheat genotypes were grown in pots containing sandy loam soil and later on the seedlings were subjected to 3 levels of saline irrigation water after 2 weeks of seed germination. The selected wheat cultivars included Shakha 93, Sakha 94, Misr1, Sids1, Sids12, Sids13, Giza168, Giza171, Sahel 1, Shandawil 1, Gemmiza 7, Gemmiza 9, Gemmiza 10, Gemmiza 11 and Gemmiza 12. The salinity of irrigation water was prepared by dissolving an appropriate amount of NaCl in tap water and adjusted to give 4500 and 8500 mg/l, beside the control treatment of tap water (500 mg/l). After 5 months of saline water application, the plants were harvested, whereas plant growth indices, grain and straw yields, as well as the harvest index were recorded. The results have shown that plant growth characteristics and yield potentials were significantly suppressed with increasing the salinity stress levels, but the rate of decline varied considerably among all trails. The more serious effect of the salinity exposure was manifested on grain yield, being 39.8 and 54.5% at 4500 and 8500 mg/l, respectively. Wheat genotypes, namely Gemmiza 7, Gemmiza 9 and Sids 1 were more superior in grain yield performance, even at the highest concentration level of irrigation water. Unlike, Gemmiza 11, 12; Misr 1, Sakha 94, Giza 168, 171, Shandweel 1 and Sids 12, 13 were reacted as the more salt-sensitive cultivars. The remaining genotypes were intermediate in reaction. On the evaluation and screening wheat cultivars to salt stress, the simple regression equation of the type y=a + b was considered to give a better expression for the quantitative assessment. According to our calculations, genotypes, i.e. Gemmiza 7, Gemmiza 9 and Sids1 were classified as salt tolerant cultivars and Sakha93, Sahel 1 & Gemmiza 10 as moderately salt tolerant and the remaining cultivars showed higher sensitivity to salt tolerance. It could be concluded that the more salt tolerant varieties could be used as a valuable cultivars in breeding programs under salt-stressed condition.
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Claims 11
Claim · model-written summary
Growth characteristics and yield potential were significantly suppressed as salinity increased, with varying decline rates among genotypes.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- increasing the salinity stress levelse0
- Outcome
- plant growth characteristics and yield potentialse0
- Direction
- suppressede0
- Qualifier
- rate of decline varied considerablye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“plant growth characteristics and yield potentials were significantly suppressed with increasing the salinity stress levels, but the rate of decline varied considerably among all trails”
Claim · model-written summary
At 4500 mg/l irrigation salinity, grain yield declined by 39.8%.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 4500e0
- Outcome
- grain yielde0
- Direction
- decreaseinferrede0
- Value
- 39.8e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“The more serious effect of the salinity exposure was manifested on grain yield, being 39.8 and 54.5% at 4500 and 8500 mg/l, respectively”
Claim · model-written summary
At 8500 mg/l irrigation salinity, grain yield declined by 54.5%.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 8500 mg/le0
- Outcome
- grain yielde0
- Direction
- decreaseinferrede0
- Value
- 54.5%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“The more serious effect of the salinity exposure was manifested on grain yield, being 39.8 and 54.5% at 4500 and 8500 mg/l, respectively”
Claim · model-written summary
Gemmiza 7, Gemmiza 9 and Sids 1 had superior grain yield even at the highest salinity.
- Taxon
- WheatTriticum aestivumt0
- Material
- Gemmiza 7, Gemmiza 9 and Sids 1e0
- Outcome
- grain yield performancee0
- Direction
- more superiore0
- Qualifier
- even at the highest concentration level of irrigation watere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“Gemmiza 7, Gemmiza 9 and Sids 1 were more superior in grain yield performance, even at the highest concentration level of irrigation water”
Claim · model-written summary
Gemmiza 11, 12; Misr 1, Sakha 94, Giza 168, 171, Shandweel 1 and Sids 12, 13 were more salt sensitive.
- Taxon
- WheatTriticum aestivumt0
- Material
- Gemmiza 11, 12; Misr 1, Sakha 94, Giza 168, 171, Shandweel 1 and Sids 12, 13e0
- Outcome
- more salt-sensitive cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“Gemmiza 11, 12; Misr 1, Sakha 94, Giza 168, 171, Shandweel 1 and Sids 12, 13 were reacted as the more salt-sensitive cultivars”
Claim · model-written summary
The remaining genotypes were intermediate in salt response.
- Taxon
- WheatTriticum aestivumt0
- Material
- remaining genotypese0
- Outcome
- intermediate in reactione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“The remaining genotypes were intermediate in reaction”
Claim · model-written summary
The simple regression equation gave a better quantitative assessment of salt stress response.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- better expression for the quantitative assessmente0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“the simple regression equation of the type y=a + b was considered to give a better expression for the quantitative assessment”
Claim · model-written summary
Gemmiza 7, Gemmiza 9 and Sids1 were classified as salt tolerant.
- Taxon
- WheatTriticum aestivumt0
- Material
- Gemmiza 7, Gemmiza 9 and Sids1e0
- Outcome
- salt tolerant cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“Gemmiza 7, Gemmiza 9 and Sids1 were classified as salt tolerant cultivars”
Claim · model-written summary
Sakha93, Sahel 1 and Gemmiza 10 were classified as moderately salt tolerant.
- Taxon
- WheatTriticum aestivumt0
- Material
- Sakha93, Sahel 1 & Gemmiza 10e0
- Outcome
- moderately salt tolerante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“Sakha93, Sahel 1 & Gemmiza 10 as moderately salt tolerant”
Claim · model-written summary
The remaining cultivars showed greater salt sensitivity.
- Taxon
- WheatTriticum aestivumt0
- Material
- remaining cultivarse0
- Outcome
- sensitivity to salt tolerancee0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“the remaining cultivars showed higher sensitivity to salt tolerance”
Claim · model-written summary
The authors propose using the more salt tolerant varieties in breeding under salt stress.
- Taxon
- WheatTriticum aestivumt0
- Material
- more salt tolerant varietiese0
- Outcome
- used as a valuable cultivars in breeding programs under salt-stressed conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat (Triticum aestivum L.)”
e0“the more salt tolerant varieties could be used as a valuable cultivars in breeding programs under salt-stressed condition”
The same questions in other papers
salinity · yield · Triticum aestivum (wheat)Positive and negative results
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