Intervention effectmodel-written summary

Without weed control, neem extract provided the highest yields of marketable ears with husks and of marketable ears without husks.

A claim from Corn yield response to weed and fall armyworm controls · 2010

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Taxon: CornZea mays subsp. mayst0
Treatment: neem extractse5
Outcome: number and weight of marketable ears with husks and number of marketable ears without huskse5
Direction: highest yieldse5
Qualifier: Without weed controle5

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue

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

*Zea mays subsp. mays* · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0
“Corn yield response to weed and fall armyworm controls”
✓ located verbatim in the source · title, characters 0–54

e5
“Without weed control, neem extracts and deltamethrin sprays provided highest yields of number and total weight of green ears with husks, number and weight of marketable ears with husks and number of marketable ears without husks”
✓ located verbatim in the source · abstract, characters 1454–1682

Title

Corn yield response to weed and fall armyworm controls

M.S. Lima; P.S.L. Silva; O.F. Oliveira; et al. Planta Daninha 2010. doi:10.1590/s0100-83582010000100013

Other claims from this paper (10)

Intervention effect Lack of weed control reduced dry mass of the above-ground part, internode diameter and leaf length of corn.
Intervention effect Lack of weed control reduced leaf width and leaf area of corn.
Intervention effect Lack of weed control reduced green ear yield and grain yield of corn.
Intervention effect Fall armyworm control in weeded plots did not influence green ear yield or grain yield of corn.
Intervention effect Green mass of marketable husked ears of corn was reduced when the caterpillar was not controlled.
Intervention effect Without weed control, neem extract provided the highest yields of number and total weight of green ears with husks.
Intervention effect Without weed control, deltamethrin sprays provided the highest yields of number and total weight of green ears with husks.
Intervention effect Without weed control, deltamethrin sprays provided the highest yields of marketable ears with husks and of marketable ears without husks.
Intervention effect Neem extract gave the best results for husked ear mass of corn.
Intervention effect Deltamethrin gave the best results for grain yield of corn.

Record rev-2a136917cec170f4b7a492f07037af1212eae31e49d61cd36f3b2ed495ba2320 · schema claims-v0.9 · position 8 in the model’s answer

botanical · quality: postharvest · Zea mays (maize)Positive and negative results

20 papers: 15 positive, 5 negative or no effect

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

negative
M. myristica seed powder changed maize grain color from white to orange.
The efficacy of four seed powders and the essential oils as protectants of cowpea and maize grains against infestation byCallosobruchus maculatus(Fabricus) (Coleoptera: Bruchidae) andSitophilus zeamais(Motschulsky) (Coleoptera: Curculionidae) in Nigeria · 1996
Opposite direction
no effect
Botanicals did not affect grain colour or odour.
Effect of Insecticidal Plant Materials, Lantana camara L. and Tephrosia vogelii Hook, on the Quality Parameters of Stored Maize Grains · 2004
Opposite direction
no effect
Grain colour and odour of maize were not affected by plant powders over six months of storage.
Eucalyptus grandis and Tagetes minuta leaf powders effectively protect stored maize against Sitophilus zeamais without affecting grain organoleptic properties · 2015
Opposite direction
no effect
Plant powders did not affect grain colour and odour after six months of storage.
Organoleptic properties of maize treated with the botanicals · 2019
Opposite direction
no effect
Grain color and odor did not change significantly versus untreated control.
Evaluation of Locally Available Botanicals Powder for the Management of Maize Weevil (Sitophilus zeamais) · 2019 · compared with untreated control
Opposite direction
positive
N. laevis powders and extracts reduced or prevented weight loss of treated maize grains.
Newbouldia Laevis ( Seem ) as an Entomocide against Sitophilus Oryzae and Sitophilus Zeamais Infesting Maize Grain · 2014
Same direction
positive
Botanical treatment reduced stored maize seed weight loss after ten weeks relative to untreated seeds.
Assessment of four plant extracts as maize seed protectants againstSitophilus zeamaisandProstephanus truncatusin Ghana · 2021 · compared with untreated seeds
Same direction
positive
Botanical powders reduced maize grain weight loss compared with untreated control.
Determination of the appropriate doses of promising botanical powders against maize weevil, Sitophilus zeamais Mots (Coleoptera: Curculionidae) on maize grain · 2017 · compared with untreated control
Same direction

11 papers more in this group

See all 20 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.

Other papers on the same question

botanical · quality: postharvest · Zea mays (maize)Positive and negative results