Intervention effectmodel-written summary

Preplant glyphosate followed by postemergence sethoxydim gave the greatest yields.

A claim from Johnsongrass (Sorghum halepense) Control and Soil Moisture Relationships in No-Tillage, Doublecropped Soybeans (Glycine max) · 1987

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Preplant glyphosate followed by postemergence sethoxydim gave the greatest yields.

Taxon
soybeansGlycine maxt0
Treatment
a combination of a preplant application of glyphosate and a postemergence application of sethoxydime0
Outcome
yieldse0
Direction
Greateste0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Greatest yields were obtained with a combination of a preplant application of glyphosate and a postemergence application of sethoxydim.”

✓ located verbatim in the source · abstract, characters 1085–1220
t0

“Soybeans (Glycine max)”

✓ located verbatim in the source · title, characters 102–124

Title

Johnsongrass (Sorghum halepense) Control and Soil Moisture Relationships in No-Tillage, Doublecropped Soybeans (Glycine max)

Michael S. Defelice; William W. Witt; James R. Martin Weed Science 1987. doi:10.1017/s0043174500026874

Other claims from this paper (5)

Record rev-0b8ffe26892d52ed261567f0999d0f23b1b859cfbd2915c519d5aed39527e303 · schema claims-v0.9 · position 7 in the model’s answer

glyphosate · yield · Glycine max (soybean)Results differ

123 papers: 55 positive, 68 negative or no effect

54 papers in the same direction as this claim · 57 in the opposite direction · 11 reporting no difference from an alternative

  1. no effect
    Soybean yields did not differ between these application methods.

    Control of Johnsongrass (Sorghum halepense) and Volunteer Corn (Zea mays) in Soybeans (Glycine max) · 1981 · compared with glyphosate was applied conventionally

    Opposite directionCited by this paper

  2. positive
    Soybean yield with glyphosate was 6.0 times the nontreated check.

    Weed Control with Non-Selective Herbicides in Soybean (Glycine max) Stale Seedbed Culture · 1994 · compared with nontreated check

    Same directionCites this paper

  3. positive
    Tank mixtures of glyphosate at 1680 g/ha with metolachlor plus metribuzin plus chlorimuron gave higher soybean yield than glyphosate alone.

    Influence of Residual Herbicides on Rate of Paraquat and Glyphosate in Stale Seedbed Soybean (Glycine max) · 1993 · compared with glyphosate alone

    Same directionCites this paper

  4. no effect
    Glyphosate treatment of the glyphosate-tolerant soybean line caused no significant yield reduction at any location.

    Yield Evaluation of a Glyphosate‐Tolerant Soybean Line after Treatment with Glyphosate · 1995

    Opposite direction

  5. negative
    Glyphosate tended to decrease biomass and seed yields under limited soil water at Keiser, AR.

    Plant Growth and Nitrogenase Activity of Glyphosate‐Tolerant Soybean in Response to Foliar Glyphosate Applications · 2001

    Opposite direction

  6. negative
    Increasing glyphosate rates and later application reduced leaf area and shoot biomass production.

    Glyphosate effects on photosynthesis, nutrient accumulation, and nodulation in glyphosate‐resistant soybean · 2012

    Opposite direction

  7. no effect
    Soybean yields were not reduced by glyphosate, glufosinate, and nicosulfuron.

    Soybean (Glycine max) Response to Simulated Drift from Selected Sulfonylurea Herbicides, Dicamba, Glyphosate, and Glufosinate · 1999

    Opposite direction

  8. no effect
    Glyphosate had no significant effect on soybean yield

    Application of the CERES-Wheat Model for Within-Season Prediction of Winter Wheat Yield in the United Kingdom · 2003 · compared with without glyphosate application

    Opposite direction

114 papers more in this group

See all 123 papers →

Sethoxydim · yield · Glycine max (soybean)Positive and negative results

10 papers: 6 positive, 4 negative or no effect

5 papers in the same direction as this claim · 4 in the opposite direction

  1. negative
    Soybean yield was generally inferior under sethoxydim plus chlorimuron versus glyphosate treatments.

    Evaluation of Reduced Rates of Glyphosate and Chlorimuron in Glyphosate-Resistant Soybean (Glycine max)1 · 2002 · compared with glyphosate treatments

    Opposite direction

  2. negative
    At $9.88/ha, sethoxydim treated soybean yielded less than at higher costs in several experiments.

    Comparison of Graminicides Applied at Equivalent Costs in Soybean (Glycine max) · 1997 · compared with higher costs

    Opposite direction

  3. no effect
    Repeated sethoxydim did not reduce soybean growth or yield.

    Effect of Date of Treatment of Johnsongrass (Sorghum halepense) on Soybean (Glycine max) Yields · 1991

    Opposite direction

  4. no effect
    Adjuvant type with sethoxydim did not influence soybean yield.

    Shattercane (Sorghum bicolor) Control in Soybeans (Glycine max) with Preplant and Postemergence Herbicides · 1990

    Opposite direction

  5. positive
    High rates of sethoxydim and fluazifop were needed for soybean yields equivalent to alachlor and metolachlor.

    Red Rice (Oryza sativa) Control Options in Soybeans (Glycine max) · 1990 · compared with alachlor and metolachlor

    Same direction

  6. positive
    sethoxydim + imazethapyr (0.37 + 0.10 kg/ha) produced 2.47 tonnes/ha soybean grain yield.

    Evaluation of herbicide mixtures for weed control in soybean (Glycine max) in southern Nigeria · 1995

    Same direction

  7. positive
    Late post treatments produced soybean yields equal to hand-weeded checks.

    Wild-Proso Millet (Panicum miliaceum) Control in Soybeans (Glycine max) With Postemergence Herbicides · 1990 · compared with hand-weeded checks

    Same direction

  8. positive
    Sethoxydim gave a closely following seed yield of 889 in soybean.

    Bioefficacy of Pre- and Post-emergence Herbicides for Weed Control in Soybean [Glycine max (L.) Men.] · 1998

    Same direction

1 paper more in this group

See all 10 papers →

herbicide · yield · Glycine max (soybean)Positive and negative results

460 papers: 322 positive, 138 negative or no effect

321 papers in the same direction as this claim · 112 in the opposite direction · 26 reporting no difference from an alternative

  1. no effect
    Soybean yields after trifluralin or nitralin at the same rates were equal.

    Johnsongrass Control in Soybeans by Trifluralin and Nitralin · 1974

    Opposite directionCited by this paper

  2. no effect
    Yield following glyphosate at 840 and 1120 g ai/ha with residual herbicides was no greater than with glyphosate alone.

    Influence of Residual Herbicides on Rate of Paraquat and Glyphosate in Stale Seedbed Soybean (Glycine max) · 1993 · compared with glyphosate was applied alone

    No difference from an alternativeCites this paper

  3. positive
    All herbicide treatments yielded at least 45% more than no non-selective herbicide.

    Herbicide Combinations for Soybean (Glycine max) Planted in Stale Seedbed · 1994 · compared with a non-selective herbicide was not applied

    Same directionCites this paper

  4. positive
    Selective herbicides increased soybean yield in stale seedbed when glyphosate or paraquat was added.

    Tank-mix Combinations for Weed Control in Stale Seedbed Soybean (Glycine max) · 1992

    Same directionCites this paper

  5. positive
    Residual herbicides accounted for the remaining yield response in those seasons.

    Weed Control for Doublecrop Soybeans Planted with the No‐Tillage Method Following Small Grain Harvest1 · 1978

    Same directionCited by this paper

  6. positive
    Adding pre-emergence herbicide to preplant foliar herbicide and postplant cultivation gave the highest soybean net return with least input.

    Net Returns from Stale Seedbed Plantings of Soybean (Glycine max) on Clay Soil · 1993

    Same directionCites this paper

  7. positive
    In the non-irrigated treatment, high and medium weed control both gave higher yield than low weed control.

    Effect of Irrigation and Weed Control Treatment on Yield and Net Return from Soybean (Glycine max) · 1994 · compared with low WTRT

    Same directionCites this paper

  8. positive
    Soybean seed yield with PRE and POST herbicides alone or in combination exceeded seed yield with glyphosate plus POST cultivation only.

    Weed Control for Soybean (Glycine max) Planted in a Stale or Undisturbed Seedbed on Clay Soil · 1992 · compared with glyphosate plus POST cultivation only

    Same directionCites this paper

451 papers more in this group

See all 460 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.