Abstract
Two year (2013/14 and 2014/15 growing seasons) field experiments were carried out to study the effect of soil water deficit on some physiological traits and grain yield of durum (Triticum durum Desf.) and bread wheat (Triticum aestivum L.) genotypes. Drought stress led to adaptive changes in physiological traits of wheat genotypes. Gas exchange parameters decreased significantly in response to water deficit. A reduction in relative water content was not strong. Genotypic differences in reducing the content of pigments, the relative stability of carotenoids to water stress were revealed. The leaf assimilation area of durum wheat genotypes exceeds that of bread wheat genotypes. Water stress caused acceleration of leaf senescence, inhibited an increase in the area of stem and spike. Adaptive changes in the distribution of assimilation area between leaves and stem were revealed. Unlike leaf assimilation area, stem assimilation area increased to stage of kernels watery ripe. Water stress caused an increase in proline content. Generally, grain yield was higher in genotypes of bread wheat than that of durum wheat, but a decrease in grain yield was over expressed in durum wheat. Grain yield less correlated with physiological traits. The decrease in the physiological parameters, as well as grain yield, was more expressed in 2013/14 growing season.
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Claims 15
Claim · model-written summary
Drought stress led to adaptive changes in physiological traits of wheat genotypes.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Drought stresse0
- Outcome
- physiological traitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
Claim · model-written summary
Gas exchange parameters decreased significantly under water deficit in wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- water deficite1
- Outcome
- Gas exchange parameterse1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“Gas exchange parameters decreased significantly in response to water deficit”
Claim · model-written summary
The reduction in relative water content under water deficit was not strong.
- Taxon
- wheatTriticum aestivume0
- Outcome
- relative water contente1
- Direction
- reductione1
- Qualifier
- not stronge1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“A reduction in relative water content was not strong”
Claim · model-written summary
Wheat genotypes differed in reducing the content of pigments under water stress.
- Taxon
- wheatTriticum aestivume0
- Outcome
- content of pigmentse1
- Qualifier
- Genotypic differencese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“Genotypic differences in reducing the content of pigments, the relative stability of carotenoids to water stress were revealed”
Claim · model-written summary
Carotenoids were relatively stable under water stress.
- Taxon
- wheatTriticum aestivume0
- Outcome
- carotenoidse1
- Direction
- relative stabilitye1
- Qualifier
- to water stresse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“Genotypic differences in reducing the content of pigments, the relative stability of carotenoids to water stress were revealed”
Claim · model-written summary
The leaf assimilation area of durum wheat exceeds that of bread wheat.
- Taxon
- durum wheat
Triticum turgidum subsp. durume0 - Outcome
- leaf assimilation areae0
- Direction
- exceedse0
- Comparator
- bread wheat genotypese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The leaf assimilation area of durum wheat genotypes exceeds that of bread wheat genotypes”
Claim · model-written summary
Water stress accelerated leaf senescence in wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Water stresse1
- Outcome
- leaf senescencee1
- Direction
- acceleratione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“Water stress caused acceleration of leaf senescence, inhibited an increase in the area of stem and spike”
Claim · model-written summary
Water stress inhibited an increase in the area of stem and spike in wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Water stresse1
- Outcome
- area of stem and spikee1
- Direction
- inhibitede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“Water stress caused acceleration of leaf senescence, inhibited an increase in the area of stem and spike”
Claim · model-written summary
Wheat showed adaptive changes in the distribution of assimilation area between leaves and stem.
- Taxon
- wheatTriticum aestivume0
- Outcome
- distribution of assimilation area between leaves and steme1
- Qualifier
- Adaptive changese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“Adaptive changes in the distribution of assimilation area between leaves and stem were revealed”
Claim · model-written summary
Stem assimilation area increased up to the watery ripe kernel stage, unlike leaf assimilation area.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- stage of kernels watery ripee1
- Outcome
- stem assimilation areae1
- Direction
- increasede1
- Comparator
- leaf assimilation areae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“Unlike leaf assimilation area, stem assimilation area increased to stage of kernels watery ripe”
Claim · model-written summary
Water stress increased proline content in wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Water stresse1
- Outcome
- proline contente1
- Direction
- increasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“Water stress caused an increase in proline content”
Claim · model-written summary
Grain yield was higher in bread wheat than in durum wheat.
- Taxon
- bread wheatTriticum aestivume0
- Outcome
- grain yielde0
- Direction
- highere0
- Comparator
- durum wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Generally, grain yield was higher in genotypes of bread wheat than that of durum wheat, but a decrease in grain yield was over expressed in durum wheat”
Claim · model-written summary
The decrease in grain yield under water deficit was over expressed in durum wheat.
- Taxon
- durum wheatTriticum turgidum subsp. durume0
- Outcome
- decrease in grain yielde0
- Direction
- over expressede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Generally, grain yield was higher in genotypes of bread wheat than that of durum wheat, but a decrease in grain yield was over expressed in durum wheat”
Claim · model-written summary
Grain yield was less correlated with physiological traits.
- Taxon
- wheatTriticum aestivume0
- Treatment
- physiological traitse1
- Outcome
- Grain yielde1
- Direction
- less correlatede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“Grain yield less correlated with physiological traits”
Claim · model-written summary
The decrease in physiological parameters and grain yield was more expressed in the 2013/14 growing season.
- Taxon
- wheatTriticum aestivume0
- Outcome
- decrease in the physiological parameterse1
- Direction
- more expressede1
- Setting
- 2013/14 growing seasone1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress led to adaptive changes in physiological traits of wheat genotypes”
e1“The decrease in the physiological parameters, as well as grain yield, was more expressed in 2013/14 growing season”
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