Intervention effectmodel-written summary

The metribuzin and chlorimuron regime with 9 g/ha postemergence chlorimuron reduced soybean yield by 10%.

A claim from Soybean (Glycine max) Tolerance to Preemergence and Postemergence Herbicides · 1989

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The metribuzin and chlorimuron regime with 9 g/ha postemergence chlorimuron reduced soybean yield by 10%.

Taxon
SoybeanGlycine maxe0
Treatment
metribuzin plus chlorimuron PRE followed by chlorimuron POE at both 9 and 18 g/hae0
Outcome
Soybean yieldse0
Direction
reducede0
Value
10e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Soybean yields, averaged across 3 yr, were reduced only for metribuzin plus chlorimuron PRE followed by chlorimuron POE at both 9 and 18 g/ha (10 and 15%, respectively).”

✓ located verbatim in the source · abstract, characters 475–644

Title

Soybean (Glycine max) Tolerance to Preemergence and Postemergence Herbicides

James L. Griffin; Robert J. Habetz Weed Technology 1989. doi:10.1017/s0890037x00032565

Other claims from this paper (3)

Record rev-ea34200dd6013754ce8bb9e3a988a3a611d583eb01b6b748ad2c71dd38542a0e · schema claims-v0.9 · position 3 in the model’s answer

chlorimuron · yield · Glycine max (soybean)Results differ

33 papers: 16 positive, 17 negative or no effect

16 papers in the same direction as this claim · 16 in the opposite direction

  1. negative
    Chlorimuron at 80 g ai ha –1 reduced yield of Hutcheson by 450 kg ha –1 or more in the excessive moisture regime.

    Soybean (Glycine max) Response to Chlorimuron and Imazaquin as Influenced by Soil Moisture · 1992

    Same directionCites this paper

  2. no effect
    Chlorimuron did not affect nodes per main stem or seed weight.

    Soybean (Glycine max) Response to AC 263,222 and Chlorimuron as Influenced by Soil Moisture · 1995

    Same directionCites this paper

  3. no effect
    Chlorimuron and linuron combinations did not reduce soybean pod production or yield.

    The Effect of Chlorimuron/Linuron Combinations on Soybean (Glycine max) Growth and Yield · 1996

    Same directionCites this paper

  4. positive
    Imazaquin and metribuzin-chlorimuron PRE/POST programs tank-mixed with glyphosate or paraquat increased soybean yield compared with the same treatments under tillage.

    Tank-mix Combinations for Weed Control in Stale Seedbed Soybean (Glycine max) · 1992 · compared with the same treatments used with tillage

    Opposite direction

  5. positive
    Metribuzin plus chlorimuron mixed with paraquat increased soybean yields versus paraquat alone.

    Non-selective and Selective Herbicide Combinations in Stale Seedbed (Glycine max) · 1995 · compared with paraquat alone

    Opposite direction

  6. positive
    Postemergence chlorimuron improved soybean yield.

    Broadleaf Weed Control with Trifluralin Plus Flumetsulam in Soybean (Glycine max) · 1995 · compared with soil-applied herbicides alone

    Opposite direction

  7. positive
    Soybean yield with paraquat at 1050 g ai/ha plus residual herbicides was greater than with paraquat at 350 g/ha.

    Influence of Residual Herbicides on Rate of Paraquat and Glyphosate in Stale Seedbed Soybean (Glycine max) · 1993 · compared with paraquat at 350 g/ha

    Opposite direction

  8. positive
    Soybean yield was highest for the chlorimuron standard across cultivation treatments.

    Comparison of Herbicide Programs and Cultivation for Sicklepod (Cassia obtusifolia) Control in Soybean (Glycine max) · 1994 · compared with other treatments

    Opposite direction

24 papers more in this group

See all 33 papers →

metribuzin · yield · Glycine max (soybean)Results differ

61 papers: 37 positive, 24 negative or no effect

23 papers in the same direction as this claim · 37 in the opposite direction

  1. negative
    The higher rate applied immediately before planting reduced yield.

    Metribuzin Injury in Soybeans as Influenced by Application Timing and Cultivation1 · 1981

    Same directionCited by this paper

  2. negative
    Weed interference reduced soybean yield in plots treated with S-metolachlor plus metribuzin.

    Weed management options for conventional soybean · 2016

    Same directionCites this paper

  3. positive
    Adding metribuzin to paraquat maximized soybean yield.

    Glyphosate-resistant Horseweed (Conyza canadensis) Control Using Glyphosate-, Paraquat-, and Glufosinate-Based Herbicide Programs · 2008

    Opposite direction

  4. positive
    Half-rate herbicide mixture increased soybean yield relative to labeled rates.

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

    Opposite direction

  5. positive
    PRE S -metolachlor plus metribuzin gave among the highest net incomes in both years.

    Glyphosate-Resistant Waterhemp (Amaranthus rudis) Control and Economic Returns with Herbicide Programs in Soybean · 2009 · compared with glyphosate-only treatment

    Opposite direction

  6. positive
    Postemergence-directed 2,4-DB, linuron and a metribuzin plus 2,4-DB tank mixture gave the highest soybean seed yields, equivalent to the weed-free control.

    Control of Annual Morningglories (Ipomoeaspp.) in Soybeans (Glycine max) · 1984 · compared with weed-free control

    Opposite direction

  7. positive
    Metribuzin escape weeds caused lower soybean yield losses than controls at equal density.

    Size-Dependent Economic Thresholds for Three Broadleaf Weed Species in Soybeans · 1991 · compared with control plants

    Opposite direction

  8. positive
    Imazaquin and metribuzin-chlorimuron PRE/POST programs tank-mixed with glyphosate or paraquat increased soybean yield compared with the same treatments under tillage.

    Tank-mix Combinations for Weed Control in Stale Seedbed Soybean (Glycine max) · 1992 · compared with the same treatments used with tillage

    Opposite direction

52 papers more in this group

See all 61 papers →

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

460 papers: 322 positive, 138 negative or no effect

137 papers in the same direction as this claim · 322 in the opposite direction

  1. no effect
    Herbicide application had no significant impact on yield.

    Effects of Salinity, Imazethapyr, and Chlorimuron Application on Soybean Growth and Yield · 2005

    Same directionCites this paper

  2. negative
    Other weed- and disease-control herbicides reduced soybean yield by at least 200 kg ha−1 in 1997.

    Soybean Growth and Development as Affected by Glyphosate and Postemergence Herbicide Tank Mixtures · 2001

    Same directionCites this paper

  3. no effect
    Second-year herbicide application did not negatively affect soybean seed yield with or without irrigation.

    Soybean (Glycine Max) Cultivar Response to AC 263,222 as Influenced by Supplemental Irrigation · 1993

    Same directionCites this paper

  4. positive
    Weed control lasting up to the V4 growth stage (about 30 days after emergence) prevented a soybean yield loss of more than 2.5%.

    The Critical Period of Weed Control in Soybean [Glycine max(L.) Merr.] · 1993

    Opposite direction

  5. positive
    Soil-applied herbicides alone often gave lower soybean yields than total POST treatments.

    Weed Management in Glufosinate- and Glyphosate-Resistant Soybean (Glycine max)1 · 2000 · compared with total POST herbicide treatments

    Opposite direction

  6. positive
    PRE plus POST herbicide produced greater soybean yield than PRE-only.

    Cover crop, tillage, and herbicide effects on weeds, soil properties, microbial populations, and soybean yield · 2003 · compared with PRE-only

    Opposite direction

  7. positive
    Soybean yields with labeled clomazone plus imazaquin equaled a handweeded check.

    Weed Control in Soybeans (Glycine max) with Reduced Rates of Postemergence Herbicides · 1989 · compared with handweeded check

    Opposite direction

  8. positive
    One POST herbicide application was more profitable than two POST applications regardless of soybean cultivar and cover crop system.

    Impact of Rye Cover Crop and Herbicides on Weeds, Yield, and Net Return in Narrow-Row Transgenic and Conventional Soybean (Glycine max)1 · 2003 · compared with two POST

    Opposite direction

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.