Intervention effectmodel-written summary

Ethrel reduced plant height, leaf area and leaf efficiency of corn compared with untreated plants.

A claim from Effect of Ethrel on Growth and Yield of Corn · 1969

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Ethrel reduced plant height, leaf area and leaf efficiency of corn compared with untreated plants.

Treatment
Ethrele1
Outcome
plant height, leaf area, leaf efficiencye1
Direction
reductione1
Comparator
untreated plantse1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

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

Verbatim

e1

“Ethrel sprayed on corn plants at three rates and at several stages of development caused a reduction in plant height, leaf area, leaf efficiency, and yield of grain as compared to untreated plants”

✓ located verbatim in the source · abstract, characters 9–205

Title

Effect of Ethrel on Growth and Yield of Corn

E. B. Earley; F. W. Slife Agronomy Journal 1969. doi:10.2134/agronj1969.00021962006100050053x

Other claims from this paper (2)

Record rev-ce2c3a0586fa2db4889f411a15970b7b1f4c0f26edbab4e6ddae8a6cf2e87d79 · schema claims-v0.9 · position 1 in the model’s answer

(2-chloroethyl)phosphonic acid · growth · Zea mays (maize)Positive and negative results

25 papers: 21 positive, 4 negative or no effect

3 papers in the same direction as this claim · 21 in the opposite direction

  1. positive
    Ethephon significantly reduced lodging rate, plant height and ear height in maize hybrids.

    Dual Application of Ethephon and DCPTA Increases Maize Yield and Stalk Strength · 2019

    Opposite directionCites this paper

  2. positive
    Ethephon reduced lodging of corn.

    Ethephon Influence on Harvestable Yield, Grain Quality, and Lodging of Corn · 1988

    Opposite direction

  3. positive
    Ethephon increased maximum diameter of internodes 7 to 14.

    Ethephon improved stalk strength associated with summer maize adaptations to environments differing in nitrogen availability in the North China Plain · 2015

    Opposite direction

  4. positive
    Ethephon reduced lodging by 64%.

    Growth, Yield, and Yield Components of Maize as Influenced by Ethephon · 1988

    Opposite direction

  5. positive
    Ethephon significantly reduced the basal internode length of maize.

    Ethephon Improved Stalk Strength of Maize (Zea Mays L.) Mainly through Altering Internode Morphological Traits to Modulate Mechanical Properties under Field Conditions · 2019

    Opposite direction

  6. positive
    A double application of ethephon at BBCH 18-19 and 34-36 reduced maize plant height by as much as 125 cm, or 49% of control.

    Management of maize stand height using growth regulators · 2015 · compared with control

    Opposite direction

  7. positive
    Ethephon decreased ear height.

    Spraying Ethephon Effectively Increased Canopy Light Transmittance of Densely Planted Summer Maize, Thus Achieving Synergistic Improvement in Stalk Lodging Resistance and Grain Yield · 2022

    Opposite direction

  8. positive
    High-rate ethephon decreased lodging by 63% in 1986.

    Use of Ethephon as a Plant Growth Regulator in Corn Production · 1988

    Opposite direction

16 papers more in this group

See all 25 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.