Intervention effectmodel-written summary

Residual glyphosate had no important effect on seed germination.

A claim from Effects of glyphosate on the germination and establishment of surface-sown pasture species · 1974

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Residual glyphosate had no important effect on seed germination.

Taxon
Medicago sativa, Trifolium subterraneum, Lolium perenne and Phalaris tuberosaMedicago sativaTrifolium subterraneumLolium perennePhalaris aquaticae1
Treatment
Residual glyphosatee0
Outcome
germinatione0
Direction
no important effectse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗
Trifolium subterraneum
Trifolium subterraneum · TaxonKevin Thiele from Perth, Australia · CC BY 2.0 · Wikimedia Commons ↗
Lolium perenne
Lolium perenne · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗
Phalaris aquatica
Phalaris aquatica · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Residual glyphosate had no important effects on germination”

✓ located verbatim in the source · abstract, characters 430–489
e1

“Seeds of Medicago sativa, Trifolium subterraneum, Lolium perenne and Phalaris tuberosa were sown on bare soil”

✓ located verbatim in the source · abstract, characters 0–109

Title

Effects of glyphosate on the germination and establishment of surface-sown pasture species

MH Campbell Australian Journal of Experimental Agriculture and Animal Husbandry 1974. doi:10.1071/ea9740557

Other claims from this paper (3)

Record rev-e67d7e062e3e714e64847440c112e7fe32c4239f88fa71ebd915839c586f4b88 · schema claims-v0.9 · position 1 in the model’s answer

glyphosate · growth · Medicago sativa (alfalfa)Results differ

14 papers: 6 positive, 8 negative or no effect

7 papers in the same direction as this claim · 6 in the opposite direction

  1. no effect
    Glyphosate did not significantly reduce germination of Saranac or Vernal alfalfa in petri dishes.

    Use of Glyphosate in Sod Seeding Alfalfa(Medicago sativa)Establishment · 1978

    Same directionCites this paper

  2. positive
    At Laramie in 1978, alfalfa required a 14 day glyphosate-to-seeding interval for adequate establishment with either drill.

    Glyphosate Timing Effects on Establishment of Sod‐Seeded Legumes and Grasses1 · 1981

    Opposite direction

  3. positive
    Clear-seeded alfalfa treated with glyphosate yielded the highest alfalfa dry matter in both years.

    Establishment Systems for Glyphosate-Resistant Alfalfa · 2008

    Opposite direction

  4. positive
    Glyphosate stopped dodder growth across application times and developmental stages.

    Dodder (Cuscutaspp.) Control in Established Alfalfa (Medicago sativa) with Glyphosate and SC-0224 · 1989

    Opposite direction

  5. positive
    A single 75 or 150 g ae ha -1 glyphosate spray stopped dodder growth.

    Dodder (Cuscutaspp.) Control in Newly Seeded Alfalfa (Medicago sativa) with Glyphosate · 1990

    Opposite direction

  6. positive
    Glyphosate plus carbofuran increased dry matter and digestible dry matter in the second field.

    Continuous Alfalfa: Invertebrate Pests During Establishment1 · 1984

    Opposite direction

  7. positive
    First-cycle selection increased Sirivar alfalfa height by 6.740%.

    Competition Indicator in Alfalfa Populations Following Recurrent Selection to Glyphosate Tolerance · 2020

    Opposite direction

  8. negative
    Germination and growth of alfalfa were reduced when seeds were sown on a glyphosate-sprayed soil surface up to 24 h after application.

    Herbicidal Activity of Glyphosate in Soil · 1982

    Same direction

5 papers more in this group

See all 14 papers →

glyphosate · growth · Trifolium subterraneumResults agree

2 papers: 0 positive, 2 negative or no effect

1 paper in the same direction as this claim

  1. negative
    Regeneration of subterranean clover was lower after glyphosate than after paraquat.

    Using Plant Development to Determine Optimum Times for Spraytopping, and Assessing Effect of Grazing and Double/Repeat Herbicide Applications on Regeneration of Vulpia · 2009 · compared with paraquat

    Same direction

See all 2 papers →

glyphosate · growth · Lolium perenne (perennial ryegrass)Results agree

4 papers: 0 positive, 4 negative or no effect

3 papers in the same direction as this claim

  1. no effect
    Glyphosate followed by seeding did not affect perennial ryegrass establishment compared with seeding alone.

    Using Herbicides and Perennial Ryegrass to Renovate Turf Dominated by Annual Bluegrass · 2019 · compared with seeding alone (nontreated)

    Same direction

  2. no effect
    Glyphosate had no adverse effect on perennial ryegrass development.

    Effect of Thatch on Residual Activity of Nonselective Herbicides Used in Turfgrass Renovation1 · 1979

    Same direction

  3. negative
    Glyphosate-treated bentgrass clippings harvested after one and three days reduced perennial ryegrass dry weight and cover.

    Phytotoxicity of Clippings from Creeping Bentgrass Treated with Glyphosate · 2004

    Same direction

See all 4 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.