Intervention effectmodel-written summary

Increasing seeding rate decreased spike length.

A claim from EFFECT OF SEEDING RATE ON YIELD, YIELD COMPONETS AND SOME AGRONOMIC CHARACTERS OF TWO WHEAT CULTIVARS · 2000

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing seeding rate decreased spike length.

Treatment
Increasing seeding ratee0
Outcome
spike lengthe0
Direction
decreasede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

“Increasing seeding rate decreased each of spike length, number of spikelets/ spike flag leaf area, number of kernels/ spike and spike grain weight but in the same time increased number of spikes /m2.”

✓ located verbatim in the source · abstract, characters 526–725
t0

“WHEAT CULTIVARS”

✓ located verbatim in the source · title, characters 86–101

Title

EFFECT OF SEEDING RATE ON YIELD, YIELD COMPONETS AND SOME AGRONOMIC CHARACTERS OF TWO WHEAT CULTIVARS

M. Saleh, Journal of Plant Production 2000. doi:10.21608/jpp.2000.258738

Other claims from this paper (8)

Record rev-c9c149ce9ccc484caa07baacfccbda604891ff517613e05046a8b7b28e921303 · schema claims-v0.9 · position 2 in the model’s answer

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

498 papers: 376 positive, 122 negative or no effect

121 papers in the same direction as this claim · 376 in the opposite direction

  1. positive
    Grain yield was maintained despite large reductions in wheat plant density.

    The physiological response of winter wheat to reductions in plant density · 2000

    Opposite direction

  2. positive
    A 160-fold density increase produced a threefold grain yield increase.

    Patterns of tillering and grain production of winter wheat at a wide range of plant densities. · 1978 · compared with 5-800 plants/m2

    Opposite direction

  3. positive
    Increasing seed rate to 525 seeds per square metre increased spikes per square metre.

    Growth and Yield Response of Facultative Wheat to Winter Sowing, Freezing Sowing and Spring Sowing at Different Seeding Rates · 2006

    Opposite direction

  4. positive
    High nitrogen application and planting density significantly increased wheat spike density.

    High nitrogen application rate and planting density reduce wheat grain yield by reducing filling rate of inferior grain in middle spikelets · 2020

    Opposite direction

  5. positive
    PAR interception, above-ground biomass and grain yield of wheat generally followed similar asymptotic increases as seed rate increased.

    Responses of wheat grain yield and quality to seed rate · 2002

    Opposite direction

  6. positive
    Grain yield showed a positive quadratic response as seeding rate increased.

    Tillage and Seeding Rate Effects on Wheat Cultivars: I. Grain Production · 2003

    Opposite direction

  7. positive
    Winter wheat yield loss from ryegrass was smaller at RE 16 than at RE 1 or RE 4.

    Effect of proximity factors on competition between winter wheat (Triticum aestivum) and Italian ryegrass (Lolium multiflorum) · 1998 · compared with RE 1 (square planting) or 4 (close row spacing)

    Opposite direction

  8. positive
    Higher sowing rate increased ear number.

    Effect of sowing date and seed rate on crop development and grain production of winter wheat. · 1977

    Opposite direction

489 papers more in this group

See all 498 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.