Intervention effectmodel-written summary

Total POST glyphosate programs controlled pitted and entireleaf morningglory 80 to 83%, a lower control than any other weed control program in the study.

A claim from Weed Control and Economics in Nontransgenic and Glyphosate-Resistant Soybean (Glycine max) · 1999

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Total POST glyphosate programs controlled pitted and entireleaf morningglory 80 to 83%, a lower control than any other weed control program in the study.

Taxon
soybeanGlycine maxe3
Treatment
Total postemergence (POST) programs containing 0.84 kg ae/ha glyphosatee1
Interactor
pitted and entireleaf morningglorye1weed
Outcome
controle1
Direction
lowere2
Value
80 to 83%e1
Comparator
any other weed control programe2

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSettingQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e1

“Total postemergence (POST) programs containing 0.84 kg ae/ha glyphosate 14 d after emergence (DAE) followed by 0.42 kg/ha at 42 DAE controlled pitted and entireleaf morningglory ( Ipomoea lacunosa and I. hederacea var. integriuscula ) 80 to 83%”

✓ located verbatim in the source · abstract, characters 263–507
e2

“This control was lower than with any other weed control program in the study”

✓ located verbatim in the source · abstract, characters 509–585
e3

“glyphosate-resistant soybean ( Glycine max )”

✓ located verbatim in the source · abstract, characters 135–179

Title

Weed Control and Economics in Nontransgenic and Glyphosate-Resistant Soybean (Glycine max)

Eric P. Webster; Kelly J. Bryant; Larry D. Earnest Weed Technology 1999. doi:10.1017/s0890037x00046248

Other claims from this paper (9)

Record rev-1f2edb6237a4624f3bf491bbce43b41d87a6e7ad3c67765382e3a14c495e89ae · schema claims-v0.9 · position 1 in the model’s answer

glyphosate · control · Glycine max (soybean)Positive and negative results

76 papers: 70 positive, 6 negative or no effect

5 papers in the same direction as this claim · 70 in the opposite direction

  1. positive
    Higher-rate glyphosate with UAN controlled velvetleaf by less than 81%.

    Interaction of glyphosate with postemergence soybean (Glycine max) herbicides · 1997

    Opposite directionCited by this paper

  2. positive
    Glyphosate combinations controlled most weeds comparably to sequential applications.

    Weed Control Programs in Drilled Glyphosate-Resistant Soybean1 · 2000 · compared with sequential glyphosate applications

    Opposite directionCites this paper

  3. positive
    Sulfentrazone followed by glyphosate improved control of three weeds versus one glyphosate application.

    Sulfentrazone Enhances Weed Control of Glyphosate in Glyphosate-Resistant Soybean (Glycine max)1 · 2003 · compared with a single application of glyphosate

    Opposite directionCites this paper

  4. positive
    Single or sequential postemergence glyphosate gave at least 91% control of nine listed weeds.

    Weed Management in Transgenic Soybean Resistant to Glyphosate Under Conventional Tillage and No-Tillage Systems · 2001

    Opposite directionCites this paper

  5. positive
    Pitted morningglory control initially improved with pyraflufen-ethyl plus glyphosate.

    Evaluation of Weed Control and Crop Tolerance with Co-application of Glyphosate and Pyraflufen-ethyl in Glyphosate-resistant Soybean (Glycine Max) · 2006 · compared with glyphosate alone or co-applied with chlorimuron

    Opposite directionCites this paper

  6. positive
    Glufosinate and glyphosate similarly controlled prickly sida by 84 to 100%.

    Weed Management in Glufosinate- and Glyphosate-Resistant Soybean (Glycine max)1 · 2000

    Opposite direction

  7. positive
    Glyphosate mixtures or later glyphosate improved giant foxtail control versus the partner herbicides alone.

    Herbicide Combinations for Weed Management in Glyphosate-Resistant Soybean (Glycine max) · 1999 · compared with these herbicides applied alone

    Opposite direction

  8. positive
    Dicamba with glyphosate gave 30% to 65% greater control of resistant weeds than sequential glyphosate.

    Weed Control in Dicamba‐Resistant Soybeans · 2010 · compared with sequentially applied glyphosate

    Opposite direction

67 papers more in this group

See all 76 papers →

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

123 papers: 99 positive, 24 negative or no effect

23 papers in the same direction as this claim · 99 in the opposite direction

  1. positive
    Glyphosate combinations controlled most weeds comparably to sequential applications.

    Weed Control Programs in Drilled Glyphosate-Resistant Soybean1 · 2000 · compared with sequential glyphosate applications

    Opposite directionCites this paper

  2. positive
    Single or sequential postemergence glyphosate gave at least 91% control of nine listed weeds.

    Weed Management in Transgenic Soybean Resistant to Glyphosate Under Conventional Tillage and No-Tillage Systems · 2001

    Opposite directionCites this paper

  3. positive
    Sequential reduced-rate herbicides controlled giant foxtail equivalently to one standard-rate application.

    Weed Control in Soybeans (Glycine max) with Reduced Rates of Postemergence Herbicides · 1989 · compared with one application of standard-labeled rates of the same tank mixes

    Opposite direction

  4. positive
    Early postemergence application timing gave 9, 9 and 8% greater common waterhemp control at 7, 14 and 21 days after treatment than the POST timing.

    Influence of Diphenylether Herbicide Application Rate and Timing on Common Waterhemp (Amaranthus rudis) Control in Soybean (Glycine max)1 · 2003 · compared with POST application timing

    Opposite direction

  5. positive
    Nine of eleven preemergence treatments controlled all four species by at least 90% in field studies.

    Herbicide Efficacy on FourAmaranthusSpecies in Soybean (Glycine max) · 1998

    Opposite direction

  6. positive
    Most herbicides controlled common waterhemp, redroot pigweed, and tumble pigweed by more than 90% regardless of timing in field studies.

    Differential Control of Four Amaranthus Species by Six Postemergence Herbicides in Soybean (Glycine max) · 1995

    Opposite direction

  7. positive
    Postemergence fomesafen increased Palmer amaranth control versus preemergence-only systems.

    Palmer Amaranth (Amaranthus palmeri) Control in Soybean with Glyphosate and Conventional Herbicide Systems · 2010 · compared with PRE-only herbicide systems

    Opposite direction

  8. positive
    Preemergence dicamba controlled six named weed groups by less than 60% at three weeks.

    Weed Control in Dicamba‐Resistant Soybeans · 2010

    Opposite direction

114 papers more in this group

See all 123 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.