Intervention effectmodel-written summary

Spring and summer fungicide sprays increased grain yield by 0.56 t/ha.

A claim from The effects of sowing date and other factors on growth, yield and nitrogen uptake, and on the incidence of pests and diseases, of winter barley at rothamsted from 1981 to 1983 · 1986

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Spring and summer fungicide sprays increased grain yield by 0.56 t/ha.

Taxon
winter barleyHordeum vulgaret0
Treatment
fungicide sprays in spring and summere0
Outcome
grain yielde0
Direction
benefitse0
Value
+0·56e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Sowing in September, fungicide sprays in spring and summer, and the growth regulator had the largest mean benefits on grain yield (+0·80, +0·56 and +0·34 t/ha respectively)”

✓ located verbatim in the source · abstract, characters 591–763
t0

“winter barley”

✓ located verbatim in the source · title, characters 130–143

Title

The effects of sowing date and other factors on growth, yield and nitrogen uptake, and on the incidence of pests and diseases, of winter barley at rothamsted from 1981 to 1983

F. V. Widdowson; R. J. Darby; A. M. Dewar; et al. The Journal of Agricultural Science 1986. doi:10.1017/s0021859600063437

Other claims from this paper (16)

Record rev-fa690a104cbc6f58725caa48ff0b8be0a8d9299c1b74a74164489a55281769fb · schema claims-v0.9 · position 2 in the model’s answer

fungicide · yield · Hordeum vulgare (barley)Results differ

61 papers: 54 positive, 7 negative or no effect

53 papers in the same direction as this claim · 6 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Fungicide treatments had mostly small and non-significant effects on grain yield of winter barley.

    Effects of fungicides, applied in autumn, and a growth regulator, applied in spring, on the growth and yield of winter barley grown on contrasting soil types · 1991

    Opposite directionCites this paper

  2. positive
    Spring and summer fungicide programs increased grain yield by 0·92 t/ha.

    Effects of seven factors on the growth and yield of winter barley grown as a third consecutive take-all susceptible crop and of growing the barley after oats or a fallow · 1992

    Same directionCites this paper

  3. no effect
    Fungicide had no effect on barley grain and straw yields.

    Grain and straw yields of barley under four tillage systems in northeastern Alberta · 1994

    Opposite direction

  4. no effect
    Fungicide spraying had no clear effect on barley yield.

    Application of widely used fungicides does not necessarily affect grain yield, and incidence of Fusarium spp. and mycotoxins DON, HT-2 and T-2 in spring barley in northern climates · 2020

    Opposite direction

  5. no effect
    Fungicide treatment had no significant effect on grain weight per spike.

    Effect of Fusarium Head Blight on Mycotoxin Content in Grain of Spring Barley Cultivars · 2004

    Opposite direction

  6. no effect
    Fungicide at early heading did not influence barley yield components.

    Spring Barley Responses to Row Spacing and Fungicide Triadimefon in Regions with a Short Crop‐growing Season · 1992

    Opposite direction

  7. no effect
    Plant height, thousand kernel weight and hectoliter weight were not significantly affected.

    Evaluation of Seed Dressing Fungicides Against Barley (Hordeum vulgare L) Loose Smut (Ustilago nuda L) in the Bale Zone, Oromiya · 2024 · compared with untreated plots

    Opposite direction

  8. no effect
    Two successive fungicide treatments did not yield more barley than either alone.

    Effects of fungicide treatments and variety on development, grain growth and yield of spring barley · 1987 · compared with either alone

    No difference from an alternative

52 papers more in this group

See all 61 papers →

application · yield · Hordeum vulgare (barley)Positive and negative results

103 papers: 90 positive, 13 negative or no effect

89 papers in the same direction as this claim · 13 in the opposite direction

  1. negative
    Sprays on lighter soils were often detrimental to winter barley yield, especially in 1985.

    Effects of fungicides, applied in autumn, and a growth regulator, applied in spring, on the growth and yield of winter barley grown on contrasting soil types · 1991

    Opposite directionCites this paper

  2. positive
    Single autumn, winter or early spring tridemorph sprays increased yield by 6·3–7·6%.

    The influence of cultural factors and mildew on yield of winter barley · 1980

    Same directionCited by this paper

  3. positive
    Spring and summer fungicide programs increased grain yield by 0·92 t/ha.

    Effects of seven factors on the growth and yield of winter barley grown as a third consecutive take-all susceptible crop and of growing the barley after oats or a fallow · 1992

    Same directionCites this paper

  4. negative
    Fluridone spraying impaired mature seed thousand grain weight.

    ABA biosynthesis and degradation contributing to ABA homeostasis during barley seed development under control and terminal drought-stress conditions · 2011

    Opposite direction

  5. no effect
    Tillering sprays failed to significantly increase barley yield.

    EFFECTS OF SEED AND FOLIAR FUNGICIDES ON PROGRESS OF NET BLOTCH AND YIELD IN BARLEY · 1983

    Opposite direction

  6. no effect
    TiO2 nanoparticle spraying had no significant effect on harvest index or weight of spikelets in barley.

    Study of Nano Particles TiO 2 Spraying on Some Yield Components in Barley (Hordem Vulgare L.) · 2011 · compared with control

    Opposite direction

  7. negative
    Spikes per square metre were reduced by ethephon spraying at the tillering and stem elongation stages compared with the control at both locations.

    Effect of Ethephon Spraying at Three Developmental Stages of Barley Planted in Arid and Semiarid Mediterranean Locations · 2002 · compared with the control

    Opposite direction

  8. no effect
    Fungicide spraying had no clear effect on barley yield.

    Application of widely used fungicides does not necessarily affect grain yield, and incidence of Fusarium spp. and mycotoxins DON, HT-2 and T-2 in spring barley in northern climates · 2020

    Opposite direction

94 papers more in this group

See all 103 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.