Abstract
A pot culture experiment was conducted in glass house at the International Atomic Energy Agency (IAEA) laboratories, Seibersdorf, Austria to select suitable drought tolerant wheat genotype using carbon isotopes discrimination technique. Four wheat genotypes viz., LU-26s, Bhittai, Roshan, Taifu, were tested. There were two treatments. i. Control (normal irrigation) and ii. Drought (@ 30 % field capacity of the control treatment). Drought treatment was imposed after two weeks of germination. The experiment was continued up to 10 weeks after germination and was terminated at flowering stage. The data was recorded in terms of plant height, number of tillers, shoot dry weight and carbon isotopic ratio (δ). Results showed that there was a significant decrease in all the growth parameters. The decrease was also significant among the genotypes. The genotypes LU-26s was found to have best performance under drought condition, with minimum decrease in the growth parameters i.e., plant height, number of tillers and shoot dry weight. High corbon isotopes discrimination (CID) values were also observed in genotype LU-26s, showing close positive correlation between SDW and CID. It is therefore concluded that carbon isotopes discrimination can be an important criterion for the selection of wheat genotypes for drought prone areas.
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Claims 6
Claim · model-written summary
Drought significantly decreased the growth parameters of wheat genotypes compared with normal irrigation.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Drought (@ 30 % field capacity of the control treatment)e0
- Outcome
- growth parameterse1
- Direction
- significant decreasee1
- Comparator
- Control (normal irrigation)e0
- Setting
- glass housee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“drought tolerant wheat genotypes”
e0“There were two treatments. i. Control (normal irrigation) and ii. Drought (@ 30 % field capacity of the control treatment)”
e1“Results showed that there was a significant decrease in all the growth parameters”
e6“conducted in glass house at the International Atomic Energy Agency (IAEA) laboratories, Seibersdorf, Austria”
Claim · model-written summary
The drought-induced decrease in growth was also significant among wheat genotypes.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- decreasee2
- Qualifier
- significant among the genotypese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“drought tolerant wheat genotypes”
e2“The decrease was also significant among the genotypes”
Claim · model-written summary
Genotype LU-26s had the best performance under drought, with the smallest decrease in plant height, tiller number and shoot dry weight.
- Taxon
- wheatTriticum aestivumt0
- Material
- LU-26se3
- Outcome
- best performance under drought conditione3
- Qualifier
- minimum decrease in the growth parameters i.e., plant height, number of tillers and shoot dry weighte3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“drought tolerant wheat genotypes”
e3“The genotypes LU-26s was found to have best performance under drought condition, with minimum decrease in the growth parameters i.e., plant height, number of tillers and shoot dry weight”
Claim · model-written summary
Genotype LU-26s showed high carbon isotope discrimination (CID) values under drought.
- Taxon
- wheatTriticum aestivumt0
- Material
- LU-26se4
- Outcome
- corbon isotopes discrimination (CID) valuese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“drought tolerant wheat genotypes”
e4“High corbon isotopes discrimination (CID) values were also observed in genotype LU-26s, showing close positive correlation between SDW and CID”
Claim · model-written summary
CID was positively correlated with shoot dry weight in wheat.
- Taxon
- wheatTriticum aestivumt0
- Material
- LU-26se4
- Outcome
- correlation between SDW and CIDe4
- Direction
- close positivee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“drought tolerant wheat genotypes”
e4“High corbon isotopes discrimination (CID) values were also observed in genotype LU-26s, showing close positive correlation between SDW and CID”
Claim · model-written summary
The authors conclude that CID can be an important criterion for selecting wheat genotypes for drought-prone areas.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- selection of wheat genotypes for drought prone arease5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“drought tolerant wheat genotypes”
e5“It is therefore concluded that carbon isotopes discrimination can be an important criterion for the selection of wheat genotypes for drought prone areas”
The same questions in other papers
drought · growth · Triticum aestivum (wheat)Positive and negative results
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