Abstract
Field experiment was conducted to study the effect of water stress on yield and yield traits of durum wheat and bread wheat genotypes. Water stress caused significant reduction in plant height (PH), peduncle length (PL), spike number/m2(SN), spike length (SL), spike width (SW), spikelets number/spike (SNS), spike mass (SM), grain number/spike (GNS), grain mass/spike (GMS), biological yield (BY), thousand kernel mass (TKM), grain yield (GY) and harvest index (HI). Wheat traits such as SN, SM, BY, TKM, GY were more vulnerable to drought stress. Positive significant correlation of GY with SN, BY and HI under rain-fed condition was found. Genotypes of durum wheat were more sensitive to drought than that bread wheat genotypes. The significant and positive correlation of GY with Stress Tolerance Index (STI), Mean Productivity (MP) and Geometric Mean Productivity (GMP) indicated that these indices were more effective in identifying high yielding, drought tolerance genotypes.
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Claims 9
Claim · model-written summary
Water stress significantly reduced plant height, peduncle length and spike number/m2 in wheat.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Water stresse0
- Outcome
- plant height (PH), peduncle length (PL), spike number/m2(SN)e0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water stress caused significant reduction in plant height (PH), peduncle length (PL), spike number/m2(SN)”
t0“bread wheat”
Claim · model-written summary
Water stress significantly reduced spike length, spike width and spikelets number/spike in wheat.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Water stresse1
- Outcome
- spike length (SL), spike width (SW), spikelets number/spike (SNS)e0
- Direction
- reductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spike length (SL), spike width (SW), spikelets number/spike (SNS)”
e1“Water stress caused significant reduction”
t0“bread wheat”
Claim · model-written summary
Water stress significantly reduced spike mass, grain number/spike and grain mass/spike in wheat.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Water stresse1
- Outcome
- spike mass (SM), grain number/spike (GNS), grain mass/spike (GMS)e0
- Direction
- reductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spike mass (SM), grain number/spike (GNS), grain mass/spike (GMS)”
e1“Water stress caused significant reduction”
t0“bread wheat”
Claim · model-written summary
Water stress significantly reduced biological yield, thousand kernel mass and grain yield in wheat.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Water stresse1
- Outcome
- biological yield (BY), thousand kernel mass (TKM), grain yield (GY)e0
- Direction
- reductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“biological yield (BY), thousand kernel mass (TKM), grain yield (GY)”
e1“Water stress caused significant reduction”
t0“bread wheat”
Claim · model-written summary
Water stress significantly reduced harvest index in wheat.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Water stresse1
- Outcome
- harvest index (HI)e0
- Direction
- reductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“harvest index (HI)”
e1“Water stress caused significant reduction”
t0“bread wheat”
Claim · model-written summary
Spike number, spike mass, biological yield, thousand kernel mass and grain yield were more vulnerable to drought stress than other wheat traits.
- Taxon
- WheatTriticum aestivume0
- Treatment
- drought stresse0
- Outcome
- Wheat traits such as SN, SM, BY, TKM, GYe0
- Direction
- more vulnerablee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat traits such as SN, SM, BY, TKM, GY were more vulnerable to drought stress”
Claim · model-written summary
Grain yield showed significant positive correlation with spike number, biological yield and harvest index under rain-fed condition.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- GY with SN, BY and HIe0
- Direction
- Positivee0
- Setting
- rain-fed conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Positive significant correlation of GY with SN, BY and HI under rain-fed condition”
t0“bread wheat”
Claim · model-written summary
Durum wheat genotypes were more sensitive to drought than bread wheat genotypes.
- Taxon
- durum wheat
Triticum turgidum subsp. durume0 - Treatment
- droughte0
- Outcome
- more sensitivee0
- Direction
- more sensitivee0
- Comparator
- bread wheat genotypese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypes of durum wheat were more sensitive to drought than that bread wheat genotypes”
Claim · model-written summary
Significant positive correlation of grain yield with STI, MP and GMP indicated these indices were more effective in identifying high-yielding, drought-tolerant genotypes.
- Outcome
- more effective in identifying high yielding, drought tolerance genotypese0
Not reportedTaxonComparator
Verbatim
e0“The significant and positive correlation of GY with Stress Tolerance Index (STI), Mean Productivity (MP) and Geometric Mean Productivity (GMP) indicated that these indices were more effective in identifying high yielding, drought tolerance genotypes”
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See all 632 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.