Abstract
The impacts of nighttime post-anthesis warming on rice productivity and grain quality in East China were evaluated for two cultivars, II You 128, an indica rice, and Wuyunjing 7, a japonica rice. Warming by 3.0 °C stimulated the nighttime respiration rate and decreased the photosynthesis rate, resulting in significant decreases of 21.2% and 24.9% in aboveground biomass accumulation for II You 128 and Wuyunjing 7, respectively. Warming significantly reduced the rates of seed setting and grain filling, especially of inferior kernels (those lower in panicles), while the filling rate of superior kernels remained almost unchanged. As a result, 1000-grain weight and grain yield were respectively 3.7% and 30.0% lower for II You 128 and 12.8% and 34.3% for Wuyunjing 7 in warmed plots than in the unwarmed control. Nighttime warming also significantly reduced the grain milling and appearance quality of both varieties. More negative effects of warming on inferior than on superior kernels were found. The above results have important implications for rice variety cultivation in East China.
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Claims 13
Claim · model-written summary
Warming stimulated nighttime rice respiration.
- Taxon
- rice
Oryza sativat0 - Treatment
- Warming by 3.0 °Ce0
- Outcome
- nighttime respiration ratee0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“Warming by 3.0 °C stimulated the nighttime respiration rate and decreased the photosynthesis rate, resulting in significant decreases of 21.2% and 24.9% in aboveground biomass accumulation for II You 128 and Wuyunjing 7, respectively.”
Claim · model-written summary
Warming decreased rice photosynthesis.
- Taxon
- riceOryza sativat0
- Treatment
- Warming by 3.0 °Ce0
- Outcome
- photosynthesis ratee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“Warming by 3.0 °C stimulated the nighttime respiration rate and decreased the photosynthesis rate, resulting in significant decreases of 21.2% and 24.9% in aboveground biomass accumulation for II You 128 and Wuyunjing 7, respectively.”
Claim · model-written summary
Warming significantly decreased aboveground biomass accumulation in II You 128 by 21.2%.
- Material
- II You 128e0
- Treatment
- Warming by 3.0 °Ce0
- Outcome
- aboveground biomass accumulatione0
- Direction
- decreasese0
- Value
- 21.2%e0
Not reportedTaxonComparator
Verbatim
e0“Warming by 3.0 °C stimulated the nighttime respiration rate and decreased the photosynthesis rate, resulting in significant decreases of 21.2% and 24.9% in aboveground biomass accumulation for II You 128 and Wuyunjing 7, respectively.”
Claim · model-written summary
Warming significantly decreased aboveground biomass accumulation in Wuyunjing 7 by 24.9%.
- Material
- Wuyunjing 7e0
- Treatment
- Warming by 3.0 °Ce0
- Outcome
- aboveground biomass accumulatione0
- Direction
- decreasese0
- Value
- 24.9%e0
Not reportedTaxonComparator
Verbatim
e0“Warming by 3.0 °C stimulated the nighttime respiration rate and decreased the photosynthesis rate, resulting in significant decreases of 21.2% and 24.9% in aboveground biomass accumulation for II You 128 and Wuyunjing 7, respectively.”
Claim · model-written summary
Warming reduced rates of seed setting.
- Taxon
- riceOryza sativat0
- Treatment
- Warminge0
- Outcome
- rates of seed settinge0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“Warming significantly reduced the rates of seed setting and grain filling, especially of inferior kernels (those lower in panicles), while the filling rate of superior kernels remained almost unchanged.”
Claim · model-written summary
Warming reduced grain filling.
- Taxon
- riceOryza sativat0
- Treatment
- Warminge0
- Outcome
- grain fillinge0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“Warming significantly reduced the rates of seed setting and grain filling, especially of inferior kernels (those lower in panicles), while the filling rate of superior kernels remained almost unchanged.”
Claim · model-written summary
Warming almost unchanged filling rate of superior kernels.
- Taxon
- riceOryza sativat0
- Treatment
- Warminge0
- Outcome
- filling rate of superior kernelse0
- Direction
- almost unchangede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“Warming significantly reduced the rates of seed setting and grain filling, especially of inferior kernels (those lower in panicles), while the filling rate of superior kernels remained almost unchanged.”
Claim · model-written summary
Warming lowered 1000-grain weight in II You 128 by 3.7% relative to unwarmed control.
- Taxon
- riceOryza sativat0
- Material
- II You 128e0
- Treatment
- warmed plotse0
- Outcome
- 1000-grain weighte0
- Direction
- lowere0
- Value
- 3.7%e0
- Comparator
- unwarmed controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“1000-grain weight and grain yield were respectively 3.7% and 30.0% lower for II You 128 and 12.8% and 34.3% for Wuyunjing 7 in warmed plots than in the unwarmed control.”
Claim · model-written summary
Warming lowered grain yield in II You 128 by 30.0% relative to unwarmed control.
- Taxon
- riceOryza sativat0
- Material
- II You 128e0
- Treatment
- warmed plotse0
- Outcome
- grain yielde0
- Direction
- lowere0
- Value
- 30.0%e0
- Comparator
- unwarmed controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“1000-grain weight and grain yield were respectively 3.7% and 30.0% lower for II You 128 and 12.8% and 34.3% for Wuyunjing 7 in warmed plots than in the unwarmed control.”
Claim · model-written summary
Warming lowered 1000-grain weight in Wuyunjing 7 by 12.8% relative to unwarmed control.
- Taxon
- riceOryza sativat0
- Material
- Wuyunjing 7e0
- Treatment
- warmed plotse0
- Outcome
- 1000-grain weighte0
- Direction
- lowere0
- Value
- 12.8%e0
- Comparator
- unwarmed controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“1000-grain weight and grain yield were respectively 3.7% and 30.0% lower for II You 128 and 12.8% and 34.3% for Wuyunjing 7 in warmed plots than in the unwarmed control.”
Claim · model-written summary
Warming lowered grain yield in Wuyunjing 7 by 34.3% relative to unwarmed control.
- Taxon
- riceOryza sativat0
- Material
- Wuyunjing 7e0
- Treatment
- warmed plotse0
- Outcome
- grain yielde0
- Direction
- lowere0
- Value
- 34.3%e0
- Comparator
- unwarmed controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“1000-grain weight and grain yield were respectively 3.7% and 30.0% lower for II You 128 and 12.8% and 34.3% for Wuyunjing 7 in warmed plots than in the unwarmed control.”
Claim · model-written summary
Warming significantly reduced grain milling and appearance quality in both varieties.
- Taxon
- riceOryza sativat0
- Treatment
- Nighttime warminge0
- Outcome
- grain milling and appearance qualitye0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“Nighttime warming also significantly reduced the grain milling and appearance quality of both varieties.”
Claim · model-written summary
Warming had more negative effects on inferior than superior kernels.
- Taxon
- riceOryza sativat0
- Organ / stage
- inferiore0
- Treatment
- warminge0
- Outcome
- negative effectse0
- Direction
- More negativee0
- Comparator
- superior kernelse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice productivity”
e0“More negative effects of warming on inferior than on superior kernels were found.”
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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.