Intervention effectmodel-written summary

Flowering drought reduced harvest index by 20.4%.

A claim from Yield Response of Maize Hybrids to Drought Stress at Different Growth Stages · 2011

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Flowering drought reduced harvest index by 20.4%.

Taxon
MaizeZea mayst0
Treatment
Drought stress at floweringe0
Outcome
harvest indexe0
Direction
reducede0
Value
20.4%e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Drought stress at flowering reduced ear length (12.6%), kernel per ear (17.8%), yield (29.1%) and harvest index (20.4%).”

✓ located verbatim in the source · abstract, characters 1132–1252
t0

“Maize”

✓ located verbatim in the source · title, characters 18–23

Title

Yield Response of Maize Hybrids to Drought Stress at Different Growth Stages

Javad Rabbani; Y. Emam DOAJ (DOAJ: Directory of Open Access Journals) 2011

Other claims from this paper (18)

Record rev-97810d00b1eb396f0c761b9103d1c812618d9d8840c92d13085d855aaa56e4c1 · schema claims-v0.9 · position 8 in the model’s answer

stage · yield · Zea mays (maize)Positive and negative results

98 papers: 41 positive, 57 negative or no effect

56 papers in the same direction as this claim · 41 in the opposite direction

  1. positive
    Delayed harvest increased the proportion of grain in the whole-plant yield, compensating for the lower digestibility.

    RELATIONSHIPS AMONG WHOLE-PLANT MOISTURE, GRAIN MOISTURE, DRY MATTER YIELD, AND QUALITY OF WHOLE-PLANT CORN SILAGE · 1975

    Opposite direction

  2. positive
    The application of extract every 2 weeks to maturity (M3) gave the highest dry matter, root weight, height and crop yields for maize in the field.

    Effect of Moringa Extract on Growth and Yield of Maize and Common Beans · 2013

    Opposite direction

  3. positive
    Earlier protection produced higher yield than protection at later growth stages.

    Maize Yield Response to Chemical Control of Spodoptera frugiperda at Different Plant Growth Stages in South Africa · 2021 · compared with protected during later growths stages

    Opposite direction

  4. positive
    Deficit irrigation at flowering with medium density under RFRH increased maize grain yield by 21% over conventional flat planting

    Deficit irrigation and planting patterns strategies to improve maize yield and water productivity at different plant densities in semi-arid regions · 2017 · compared with conventional flat planting

    Opposite direction

  5. positive
    Ear weight ‐increased with a decrease in row spacing and plant population and with increased time required for maturity.

    Row Spacing and Population Effects on Corn Yields1 · 1971

    Opposite direction

  6. positive
    Selection only for early flowering increased corn yield by 1.00 q/ha per cycle.

    Selection for Early Flowering in Corn1 · 1972

    Opposite direction

  7. positive
    Simulated maize yield rose by 1.5 ton per ha (23%) across the region by changing to a cultivar with longer maturity.

    Narrowing the Agronomic Yield Gaps of Maize by Improved Soil, Cultivar, and Agricultural Management Practices in Different Climate Zones of Northeast China · 2016

    Opposite direction

  8. positive
    Maize treatment T6, deficit irrigation at mid and maturity stages, had the highest grain yield of 8842 Kg/ha.

    Field experimentation based simulation of yield response of maize crop to deficit irrigation using AquaCrop model, Arba Minch, Ethiopia · 2015

    Opposite direction

89 papers more in this group

See all 98 papers →

drought · yield · Zea mays (maize)Positive and negative results

353 papers: 53 positive, 300 negative or no effect

299 papers in the same direction as this claim · 53 in the opposite direction

  1. negative
    Drought stress significantly reduced 100-seed weight.

    The effect of nitrogen splitting on some agronomic and physiological traits of two corn cultivars under normal irrigation and drought stress · 2023

    Same directionCites this paper

  2. positive
    Drought tolerance selection increased maize grain yield by 86 kg ha −1 yr −1 on average.

    Selection for Drought Tolerance Increases Maize Yields across a Range of Nitrogen Levels · 1999

    Opposite direction

  3. positive
    Recurrent selection increased drought grain yield by 30 to 50%.

    Selection Improves Drought Tolerance in Tropical Maize Populations: II. Direct and Correlated Responses among Secondary Traits · 1999

    Opposite direction

  4. positive
    The top 20 maize hybrids performed better for grain yield and other agronomic traits than commercial checks across drought and well-watered environments.

    International Research Journal of Agricultural Science and Soil Science · 2014 · compared with commercial checks

    Opposite direction

  5. positive
    Three-way hybrids with two DTP lines yielded more than those with one DTP line.

    Future progress in drought tolerance in maize needs new secondary traits and cross combinations · 2008 · compared with those involving one only

    Opposite direction

  6. positive
    Corn N concentrations and yields were higher with early desiccation than with late desiccation following rye and rye + hairy vetch.

    Corn Response to Cover Crop Species, Spring Desiccation Time, and Residue Management · 1998 · compared with late desiccation

    Opposite direction

  7. positive
    Higher CA maize grain yields, biomass yields or harvest index under natural (El Niño) or 19-day simulated drought than under conventional practice.

    Conservation agriculture enhances resistance of maize to climate stress in a Malawian medium-term trial · 2018 · compared with conventional practice

    Opposite direction

  8. positive
    Warming 3 °C for seven days under mild drought increased grain yield 10.9%.

    Effects of High Temperature and Drought Stresses on Growth and Yield of Summer Maize during Grain Filling in North China · 2022 · compared with without temperature stress

    Opposite direction

344 papers more in this group

See all 353 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.