Intervention effectmodel-written summary

Heat from 15 days after anthesis reduced wheat grain yield by 18%.

A claim from Yield Components of Wheat Grown under High Temperature Stress during Reproductive Growth · 1999

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Heat from 15 days after anthesis reduced wheat grain yield by 18%.

Treatment
High temperature applied 15 d after anthesis until ripeninge0
Outcome
grain yielde0
Direction
reducede0
Value
18%e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“High temperature applied 15 d after anthesis until ripening reduced grain yield 18%”

✓ located verbatim in the source · abstract, characters 1429–1512
t0

“Wheat”

✓ located verbatim in the source · title, characters 20–25

Title

Yield Components of Wheat Grown under High Temperature Stress during Reproductive Growth

L. R. Gibson; G. M. Paulsen Crop Science 1999. doi:10.2135/cropsci1999.3961841x

Other claims from this paper (5)

Record rev-3f661ca217792beae08169f7d5e754b569b0c53435c0e29608d021dd2d60a8d3 · schema claims-v0.9 · position 4 in the model’s answer

stage · yield · Triticum aestivum (wheat)Positive and negative results

160 papers: 95 positive, 65 negative or no effect

64 papers in the same direction as this claim · 95 in the opposite direction

  1. positive
    Tactical nitrogen or cultivar maturity management increased modeled average profit by up to 20%.

    The value of skill in seasonal climate forecasting to wheat crop management in a region with high climatic variability · 1996 · compared with fixed

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  2. positive
    In 1989, split nitrogen application topdressed at growth stage 4 or 6 significantly increased grain yield relative to preplant application or growth stage 10.

    Nitrogen Fertilization Timing Effect on Wheat Production, Nitrogen Uptake Efficiency, and Residual Soil Nitrogen · 1993 · compared with all preplant or application at GS 10

    Opposite direction

  3. positive
    Earlier flowering cultivars give higher projected yield gains for winter wheat than early sowings.

    Effects of climate change and adaptation options on winter wheat yield under rainfed Mediterranean conditions in southern Portugal · 2019 · compared with early sowings

    Opposite direction

  4. positive
    With 50 kg/ha planting N, 100 kg/ha at flowering raised yield by 602 kg/ha.

    Effect of late application of nitrogen on the yield and protein content of wheat · 1982 · compared with 50 kg/ha was applied at planting

    Opposite direction

  5. positive
    A second irrigation at flowering increased grain yield in drier seasons compared with one irrigation.

    Irrigation and Nitrogen Regimes Promote the Use of Soil Water and Nitrate Nitrogen from Deep Soil Layers by Regulating Root Growth in Wheat · 2018 · compared with W1 treatments

    Opposite direction

  6. positive
    Cultivars with late or midseason maturity gave the highest mean yields in each season.

    Influence of genotype, sowing date, and seeding rate on wheat development and yield · 1993

    Opposite direction

  7. positive
    Plowing vetch under at flowering tripled unfertilized wheat yield.

    Soil Fertility Management Studies on Wheat in Ethiopia · 1991 · compared with without the use of fertilizer

    Opposite direction

  8. positive
    CCC at 2.20 kg/ha applied at ZGS 25 significantly increased wheat grain yield (8.9 t/ha) compared with ethephon and control in a field experiment.

    Effects of nitrogen fertilization and plant growth regulators (PGRs) on yield of wheat (Triticum aestivum L.) cv. Shiraz. · 2008 · compared with control

    Opposite direction

151 papers more in this group

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heat · yield · Triticum aestivum (wheat)Positive and negative results

309 papers: 54 positive, 255 negative or no effect

254 papers in the same direction as this claim · 54 in the opposite direction

  1. positive
    Infrared warming raised wheat grain yield under cooler conditions after September to December plantings.

    Controlled Warming Effects on Wheat Growth and Yield: Field Measurements and Modeling · 2011

    Opposite directionCites this paper

  2. positive
    Fang-60 had significantly higher thousand grain weight under early grain filling heat stress than control.

    DIFFERENTIAL RESPONSE OF WHEAT GENOTYPES TO HEAT STRESS DURING GRAIN FILLING · 2018 · compared with the control

    Opposite directionCites this paper

  3. negative
    Individual grain weight decreased linearly as the duration of high temperature stress (2 to 30 days) increased, when imposed at start of grain filling.

    Response of floret fertility and individual grain weight of wheat to high temperature stress: sensitive stages and thresholds for temperature and duration · 2014

    Same directionCites this paper

  4. negative
    Heat at anthesis, with or without double-ridge heat, reduced grain number by 41%.

    Lack of Interaction between Extreme High‐Temperature Events at Vegetative and Reproductive Growth Stages in Wheat · 2003

    Same directionCites this paper

  5. negative
    High temperature during booting reduced grain number.

    The tolerance of wheat to high temperatures during reproductive growth. I. Survey procedures and general response patterns · 1989

    Same directionCited by this paper

  6. negative
    Combined drought and heat reduced winter wheat yield by 76% averaged over varieties.

    Quality of winter wheat in relation to heat and drought shock after anthesis · 2011

    Same directionCites this paper

  7. negative
    Heat stress reduced grain yield by about 35%.

    Remobilization of Nitrogen and Carbohydrate from Stems of Bread Wheat in Response to Heat Stress during Grain Filling · 2005

    Same directionCites this paper

  8. no effect
    Supplemental heating had no effect on grain yield in winter plantings.

    Wheat Growth Response to Increased Temperature from Varied Planting Dates and Supplemental Infrared Heating · 2012

    Same directionCites this paper

300 papers more in this group

See all 309 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.