Abstract
Drought tolerant analysis using carbon isotopes discrimination could be useful tool to decide a genotype with high adaptation to drought. A pot culture experiment was conducted in glass house at the IAEA (International Atomic Energy Agency) laboratories, Seibersdorf, Austria to analyze drought tolerant of wheat genotype using carbon isotopes discrimination technique. Four wheat genotypes viz., LU-26s, Bhittai, Roshan, Taifu, were tested. There were two treatments: Control (normal irrigation) and 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 were recorded in terms of plant height, number of tillers, shoot dry weight and carbon isotopic ratio (). Results showed that genotype 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 CID (carbon isotopes discrimination) values were also observed in genotype LU-26s, showing close positive correlation between SDW (shoot dry weight) 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 4
Claim · model-written summary
LU-26s had the smallest decrease in plant height, tiller number, and shoot dry weight under drought.
- Taxon
- Wheat
Triticum aestivumt0 - Material
- LU-26se0
- Outcome
- plant height, number of tillers and shoot dry weighte0
- Direction
- minimum decreasee0
- Qualifier
- under drought conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“genotype 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.”
t0“Wheat”
Claim · model-written summary
LU-26s had high carbon isotope discrimination values.
- Taxon
- WheatTriticum aestivumt0
- Material
- LU-26se0
- Outcome
- CID (carbon isotopes discrimination) valuese0
- Direction
- Highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High CID (carbon isotopes discrimination) values were also observed in genotype LU-26s”
t0“Wheat”
Claim · model-written summary
Shoot dry weight and carbon isotope discrimination were positively correlated.
- Taxon
- WheatTriticum aestivumt0
- Material
- LU-26se0
- Outcome
- SDW (shoot dry weight)e0
- Direction
- positive correlatione0
- Qualifier
- CIDe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“genotype LU-26s, showing close positive correlation between SDW (shoot dry weight) and CID.”
t0“Wheat”
Claim · model-written summary
The authors proposed carbon isotope discrimination as a selection criterion for wheat in drought-prone areas.
- Taxon
- wheatTriticum aestivume0
- Outcome
- criterion for the selection of wheat genotypes for drought prone arease0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbon isotopes discrimination can be an important criterion for the selection of wheat genotypes for drought prone areas.”