Abstract
Field experiments for six seasons (2008–2013) for present time slice (PTS; 2008–2013) and simulation studies for mid-century (MC; 2021–2050) were carried out to assess different planting dates, varieties and irrigation schedules in addressing the impact of climate change on grain yield and water use efficiency (WUE) in bread wheat (Triticum aestivum L.). During field experimentation, WUE (averaged over other treatment) was unaffected by planting date; however, it was 6% higher in late variety (V1) than early variety (V2). Simulation study suggested that in MC, increase in maximum and minimum temperatures compared to PTS would reduce wheat yield by 17–27%. In MC, WUE would be reduced by 14.8% due to shortening of crop duration (1–11 days). The reduction in WUE could be ascribed to relatively more reduction in yield (22%) than evapotranspiration (ET) (4%). The WUE in MC3 (2041–2050) was relatively more than MC1 (2021–2030) and MC2 (2031–2040) due to more yield and less ET. Delaying planting date of wheat crop by 15–30 days in this region emerged as the best adaptation measure to tackle climate change impact for sustaining yield and having higher WUE in MC.
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Claims 11
Claim · model-written summary
Planting date did not affect field measured WUE.
- Taxon
- bread wheat
Triticum aestivume1 - Treatment
- planting datee0
- Outcome
- WUEe0
- Direction
- unaffectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During field experimentation, WUE (averaged over other treatment) was unaffected by planting date;”
e1“bread wheat (Triticum aestivum L.)”
Claim · model-written summary
WUE was 6% higher in late variety V1 than early variety V2.
- Taxon
- bread wheatTriticum aestivume1
- Material
- late variety (V1)e0
- Outcome
- WUEe2
- Direction
- highere0
- Value
- 6%e0
- Comparator
- early variety (V2)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it was 6% higher in late variety (V1) than early variety (V2).”
e1“bread wheat (Triticum aestivum L.)”
e2“During field experimentation, WUE (averaged over other treatment) was unaffected by planting date;”
Claim · model-written summary
Mid century warming was simulated to reduce wheat yield by 17–27% relative to the present time slice.
- Taxon
- wheatTriticum aestivume0
- Treatment
- increase in maximum and minimum temperaturese0
- Outcome
- wheat yielde0
- Direction
- reducee0
- Value
- 17–27%e0
- Comparator
- PTSe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in MC, increase in maximum and minimum temperatures compared to PTS would reduce wheat yield by 17–27%.”
Claim · model-written summary
Mid century WUE was projected to decline by 14.8%.
- Taxon
- bread wheatTriticum aestivume1
- Outcome
- WUEe0
- Direction
- reducede0
- Value
- 14.8%e0
- Qualifier
- shortening of crop duration (1–11 days)e0
- Setting
- MCe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In MC, WUE would be reduced by 14.8% due to shortening of crop duration (1–11 days).”
e1“bread wheat (Triticum aestivum L.)”
Claim · model-written summary
Mid century yield was projected to fall by 22%.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“relatively more reduction in yield (22%) than evapotranspiration (ET) (4%).”
e1“bread wheat (Triticum aestivum L.)”
e2“In MC, WUE would be reduced”
Claim · model-written summary
Mid century evapotranspiration was projected to fall by 4%.
- Taxon
- bread wheatTriticum aestivume1
- Outcome
- evapotranspiration (ET)e0
- Direction
- decreaseinferrede0
- Value
- 4%e0
- Setting
- MCe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduction in yield (22%) than evapotranspiration (ET) (4%).”
e1“bread wheat (Triticum aestivum L.)”
e2“In MC, WUE would be reduced”
Claim · model-written summary
Mid century WUE loss was attributed to a larger yield reduction than evapotranspiration reduction.
- Taxon
- bread wheatTriticum aestivume1
- Outcome
- reduction in WUEe0
- Qualifier
- relatively more reduction in yield (22%) than evapotranspiration (ET) (4%)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The reduction in WUE could be ascribed to relatively more reduction in yield (22%) than evapotranspiration (ET) (4%).”
e1“bread wheat (Triticum aestivum L.)”
Claim · model-written summary
WUE in MC3 exceeded that in MC1 and MC2.
- Taxon
- bread wheatTriticum aestivume1
- Outcome
- WUEe0
- Direction
- relatively moree0
- Comparator
- MC1 (2021–2030) and MC2 (2031–2040)e0
- Setting
- MC3 (2041–2050)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The WUE in MC3 (2041–2050) was relatively more than MC1 (2021–2030) and MC2 (2031–2040) due to more yield and less ET.”
e1“bread wheat (Triticum aestivum L.)”
Claim · model-written summary
MC3 had more yield than MC1 and MC2.
- Taxon
- bread wheatTriticum aestivume1
- Outcome
- yielde0
- Direction
- moree0
- Comparator
- MC1 (2021–2030) and MC2 (2031–2040)e0
- Setting
- MC3 (2041–2050)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The WUE in MC3 (2041–2050) was relatively more than MC1 (2021–2030) and MC2 (2031–2040) due to more yield and less ET.”
e1“bread wheat (Triticum aestivum L.)”
Claim · model-written summary
MC3 had less evapotranspiration than MC1 and MC2.
- Taxon
- bread wheatTriticum aestivume1
- Outcome
- ETe0
- Direction
- lesse0
- Comparator
- MC1 (2021–2030) and MC2 (2031–2040)e0
- Setting
- MC3 (2041–2050)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The WUE in MC3 (2041–2050) was relatively more than MC1 (2021–2030) and MC2 (2031–2040) due to more yield and less ET.”
e1“bread wheat (Triticum aestivum L.)”
Claim · model-written summary
The authors recommend delaying wheat planting by 15–30 days to sustain yield and raise WUE under mid century climate.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Delaying planting date of wheat crop by 15–30 dayse0
- Outcome
- sustaining yield and having higher WUEe0
- Value
- 15–30 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Delaying planting date of wheat crop by 15–30 days in this region emerged as the best adaptation measure to tackle climate change impact for sustaining yield and having higher WUE in MC.”
The same questions in other papers
sowing time · physiology: water · Triticum aestivum (wheat)Positive and negative results
2 papers in the same direction as this paper · 13 in the opposite direction
- positive
- positive
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12 papers more in this group
See all 16 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.