Intervention effectmodel-written summary

One cultivation with reduced metribuzin gave effective weed control.

A claim from Reducing herbicide use for weed control in soybean (Glycine max) grown in two soil types in southwestern Ontario · 1995

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

One cultivation with reduced metribuzin gave effective weed control.

Taxon
soybeanGlycine maxt0
Treatment
One cultivation combined with a herbicide application at reduced rates of metribuzine0
Interactor
weede0weed
Outcome
weed controle0
Direction
effectivee0

Not reportedMaterialGeneCompoundOrgan / stageSecond 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

t0

“soybean (Glycine max)”

✓ located verbatim in the source · title, characters 43–64
e0

“One cultivation combined with a herbicide application at reduced rates of metribuzin (e.g., 0.42 kg a.i. ha −1 ) not only provided effective weed control”

✓ located verbatim in the source · abstract, characters 187–340

Title

Reducing herbicide use for weed control in soybean (Glycine max) grown in two soil types in southwestern Ontario

Allan S. Hamill; Jianhua Zhang; Clarence J. Swanton Canadian Journal of Plant Science 1995. doi:10.4141/cjps95-050

Other claims from this paper (8)

Record rev-eaaa8e8f4d0c204c8544f37c7421831b04db10d2eeedf4c0a05c57696fe5a020 · schema claims-v0.9 · position 1 in the model’s answer

metribuzin · weed · Glycine max (soybean)Positive and negative results

27 papers: 24 positive, 3 negative or no effect

23 papers in the same direction as this claim · 1 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
    Oxyflorfen and metribuzin had no significant effect on cocklebur biomass in soybean.

    Evaluation of biofertilizer effect on selective soybean herbicides efficiency to control of Xanthium spinosom and Datura stramonium · 2014 · compared with weedy check

    Opposite direction

  2. no effect
    With cultivation or postemergence imazethapyr, half rate preplant herbicides gave weed control equivalent to full rate herbicides.

    Weed Control With Reduced Rates of Four Soil Applied Soybean Herbicides · 1996 · compared with 1× rate of the PPI herbicides followed by either cultivation or imazethapyr

    No difference from an alternative

  3. no effect
    Adding pendimethalin, dimethenamid-P, pethoxamid, pyroxasulfone or S-metolachlor to the low rate of isoxaflutole + metribuzin gave control of all weed species evaluated equivalent to isoxaflutole + metribuzin at the low, medium or high rate.

    Activity of Isoxaflutole plus Metribuzin Tankmixes in Isoxaflutole-Resistant Soybean · 2019 · compared with isoxaflutole + metribuzin at the low, medium, or high rate

    No difference from an alternative

  4. positive
    Half-rate herbicide mixture controlled weeds as well as labeled rates.

    Weed Control with Clomazone Alone and with Other Herbicides · 1989 · compared with the mixture at labeled rates

    Same direction

  5. positive
    Sulfentrazone plus metribuzin followed by glufosinate tank mixes controlled tested weeds at least 90%.

    Comparison of Glufosinate-Based Herbicide Programs for Broad-Spectrum Weed Control in Glufosinate-Resistant Soybean · 2015

    Same direction

  6. positive
    Metribuzin plus chlorimuron reduced hemp sesbania weed emergence over 3 years by at least 95%.

    Benefits of Soil-Applied Herbicides in Glyphosate-Resistant Soybean (Glycine max)1 · 2002

    Same direction

  7. positive
    flumioxazin + metribuzin controlled grass weeds at ≥80%.

    Weed Control in Soybean with Preemergence‐ and Postemergence‐applied Herbicides · 2017

    Same direction

  8. positive
    Chlorimuron plus metribuzin applied up to 45 days before planting controlled broadleaf weeds throughout the growing season in soybean.

    Timing of Chlorimuron and Imazaquin Application for Weed Control in No-Till Soybeans (Glycine max) · 1991

    Same direction

18 papers more in this group

See all 27 papers →

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

297 papers: 258 positive, 39 negative or no effect

257 papers in the same direction as this claim · 26 in the opposite direction · 13 reporting no difference from an alternative

  1. negative
    Single reduced-rate herbicide applications gave visual weed control slightly lower to full rates.

    Integrating Reduced Rates of Postemergence Herbicides and Cultivation for Broadleaf Weed Control in Soybeans (Glycine max) · 1990 · compared with full rates

    Opposite directionCited by this paper

  2. positive
    At Clemson, 3 weed-free weeks reduced weed weights 97% in early plantings.

    Influence of Shading by Soybeans (Glycine max) on Weed Suppression · 1981

    Same directionCited by this paper

  3. positive
    Fall granular herbicide application gave good weed control.

    Soybean Cultivar Response to Reduced Tillage Systems in Northern Dryland Areas · 1989

    Same directionCited by this paper

  4. negative
    One-pass POST programs had up to 59% lower annual grass and broadleaf control than PRE followed by POST or two-pass POST.

    Influence of Herbicide Programs on Weed Management in Soybean with Resistance to Glufosinate and 2,4-D · 2013 · compared with PRE followed by (fb) POST or two-pass POST programs

    Opposite direction

  5. negative
    Weed control was generally reduced for applications at 6:00 A.M., 9:00 P.M., and midnight.

    The Effect of Time of Day on the Activity of Postemergence Soybean Herbicides · 2013

    Opposite direction

  6. no effect
    Weed control was similar among acifluorfen, fomesafen and lactofen.

    Response of Broadleaf Weeds and Soybeans to the Diphenyl Ether Herbicides · 1991

    Opposite direction

  7. negative
    Without cultivation or postemergence imazethapyr, half rates gave lower weed control than full rates.

    Weed Control With Reduced Rates of Four Soil Applied Soybean Herbicides · 1996 · compared with 1× rates of PPI herbicides

    Opposite direction

  8. negative
    Preemergence clomazone at 1.1 or 1.4 kg/ha gave less late-season broadleaf weed control than early preplant or split application.

    Influence of Application Time on Clomazone Activity in No-Till Soybeans,Glycine max · 1988 · compared with early preplant or early preplant-preemergence split application

    Opposite direction

288 papers more in this group

See all 297 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.