Intervention effectmodel-written summary

Nitrogen supply at anthesis increased grain yield in spike halved plants.

A claim from Wheat (Triticum aestivum L.) grain filling and dry matter partitioning responses to source:sink modifications under postanthesis water and nitrogen deficiency · 2009

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen supply at anthesis increased grain yield in spike halved plants.

Material
spike halved plantse0
Treatment
more nitrogen supply at anthesise0
Outcome
grain yielde0
Direction
increasede0

Not reportedGeneCompoundOrgan / 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

“in spike halved plants, more nitrogen supply at anthesis increased grain yield”

✓ located verbatim in the source · abstract, characters 987–1065
t0

“Wheat”

✓ located verbatim in the source · title, characters 0–5

Title

Wheat (Triticum aestivum L.) grain filling and dry matter partitioning responses to source:sink modifications under postanthesis water and nitrogen deficiency

Ahad Madani; Amirhossein Shirani Rad; Alireza Pazoki; et al. Acta Scientiarum Agronomy 2009. doi:10.4025/actasciagron.v32i1.6273

Other claims from this paper (6)

Record rev-fa30369786ef912cb960aadc44b118819683ae1e762d49c3c55ba28f6c74c58d · schema claims-v0.9 · position 5 in the model’s answer

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

2,061 papers: 1,737 positive, 324 negative or no effect

1,736 papers in the same direction as this claim · 285 in the opposite direction · 39 reporting no difference from an alternative

  1. negative
    Severe drought with low nitrogen reduced grain yields.

    Nitrogen Nutrition Improves the Potential of Wheat (Triticum aestivum L.) to Alleviate the Effects of Drought Stress during Vegetative Growth Periods · 2016

    Opposite directionCites this paper

  2. positive
    High nitrogen treatment improved grain filling duration in wheat.

    Improving the effects of drought priming against post-anthesis drought stress in wheat (Triticum aestivum L.) using nitrogen · 2022

    Same directionCites this paper

  3. positive
    Additional nitrogen supply at anthesis increased grain yield through more allocation of dry matter to grains.

    The impact of source or sink limitations on yield formation of winter wheat (Triticum aestivum L.) due to post-anthesis water and nitrogen deficiencies · 2010

    Same directionCites this paper

  4. positive
    N fertiliser application increased the rate of dry matter accumulation in winter wheat.

    Irrigation and Nitrogen Management Determine Dry Matter Accumulation and Yield of Winter Wheat Under Dryland Conditions · 2024

    Same directionCites this paper

  5. negative
    The lowest N rates reduced grain number per square metre at any given photothermal quotient.

    The effects of radiation and nitrogen on number of grains in wheat · 1995

    Opposite direction

  6. negative
    Low nitrogen reduced grain yield to 4.3 t/ha.

    The Effects of Prolonged Drought and Nitrogen Fertilizer on Root and Shoot Growth and Water Uptake by Winter Wheat · 1989 · compared with both N and water

    Opposite direction

  7. negative
    Terminal spikelet production was delayed by about 2 d at these N treatments in Aroona.

    Leaf Emergence, Tiller Growth, and Apical Development of Nitrogen‐Dificient Spring Wheat · 1993

    Opposite direction

  8. no effect
    Nitrogen level, N timing and seeding rate had no significant effect on spring wheat grain yield across environments.

    Seeding Rate and Nitrogen Management Effects on Spring Wheat Yield and Yield Components · 2007

    Opposite direction

2,052 papers more in this group

See all 2,061 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.