Intervention effectmodel-written summary

Guradian herbicide increased maize ear length to 21.41 cm.

A claim from The Effect of Early Control of Weeds Associated with the Maize Crop Using Herbicides · 2025

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Guradian herbicide increased maize ear length to 21.41 cm.

Taxon
maizeZea mayst0
Treatment
guradian herbicidee3
Interactor
Weedst0weed
Outcome
ear lengthe3
Direction
increasede3
Value
21.41cme3

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingQualifier

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Weeds Associated with the Maize Crop Using Herbicides”

✓ located verbatim in the source · title, characters 31–84
e3

“The use of guradian herbicide significantly increased the ear length and reached 21.41cm”

✓ located verbatim in the source · abstract, characters 647–735

Title

The Effect of Early Control of Weeds Associated with the Maize Crop Using Herbicides

Diyala Education Directorate, Iraq; A.A.A.K. El-Abassy Arab Journal Of Plant Protection 2025. doi:10.22268/ajpp-001314

Other claims from this paper (5)

Record rev-e249b09512882d677ea675c1a08651a9c93f465e5850204021a12150fc3047f1 · schema claims-v0.9 · position 4 in the model’s answer

herbicide · yield · Zea mays (maize)Positive and negative results

651 papers: 500 positive, 151 negative or no effect

499 papers in the same direction as this claim · 127 in the opposite direction · 24 reporting no difference from an alternative

  1. negative
    Without herbicide, yield was reduced regardless of row spacing or population.

    Influence of Narrow Row/High Population Corn (Zea mays) on Weed Control and Light Transmittance · 1995

    Opposite direction

  2. negative
    Lack of weed control reduced green ear yield and grain yield of corn.

    Corn yield response to weed and fall armyworm controls · 2010 · compared with weed control

    Opposite direction

  3. no effect
    Herbicide-treated plots had no significant corn grain yield difference from handweeded plots.

    Effect of Postemergence Application Rate and Timing of Mesotrione on Corn (Zea mays) Response and Weed Control1 · 2002 · compared with handweeded plots

    Opposite direction

  4. negative
    Withholding herbicides reduced continuous corn yield by 10 to 27% in ridge tillage.

    Weed Seed Populations in Ridge and Conventional Tillage · 1988

    Opposite direction

  5. negative
    Corn yields in narrow rows with reduced herbicide were about 10% below wide rows with full herbicide.

    Effect of row width on herbicide and cultivation requirements in row crops · 1992 · compared with WR with 100% RAR

    Opposite direction

  6. no effect
    Under conventional tillage, several herbicide treatments gave corn yield similar to weed-free conditions.

    Influence of Tillage Systems on Giant Foxtail,Setaria faberi, and Velvetleaf,Abutilon theophrasti, Density and Control in Corn,Zea mays · 1988 · compared with weed-free

    Opposite direction

  7. negative
    Competition from weeds and uncontrolled vetch in treatments without herbicides reduced corn yield in three of four years by an average of 46% compared with a standard PRE herbicide treatment.

    Reduced-Herbicide Weed Management Systems for No-Tillage Corn (Zea mays) in a Hairy Vetch (Vicia villosa) Cover Crop · 1993 · compared with a standard PRE herbicide treatment of 0.6 kg ai/ha of paraquat plus 1.1 kg ai/ha of atrazine plus 2.2 kg ai/ha of metolachlor

    Opposite direction

  8. no effect
    Corn yield was unaffected by residual herbicide timing or rate.

    Residual Herbicides used in Combination with Glyphosate and Glufosinate in Corn (Zea mays)1 · 2002

    Opposite direction

642 papers more in this group

See all 651 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.