Intervention effectmodel-written summary

Ethrel applied at 30 ppm at 35-45 days after sowing gave maximum seed cotton yield in all test entries.

A claim from Effect of early ethrel application in enhancing cotton production in vertisols of Andhra Pradesh, India · 2013

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ethrel applied at 30 ppm at 35-45 days after sowing gave maximum seed cotton yield in all test entries.

Treatment
application of ethrel @ 30ppm at 35–45 days after sowinge1
Outcome
seed cotton yielde1
Direction
maximume1
Setting
vertisols of Andhra Pradesh, Indiat0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorValueQualifier

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“A field study was taken up for two years to know the effect of early application of ethrel on growth, yield and quality of cotton during kharif 2008 and 2009 invertisols revealed that the application of ethrel @ 30ppm at 35–45 days after sowing (atthetime of square initiation) gave maximum seed cotton yield in all the test entries studied”

✓ located verbatim in the source · abstract, characters 0–340
t0

“vertisols of Andhra Pradesh, India”

✓ located verbatim in the source · title, characters 69–103

Title

Effect of early ethrel application in enhancing cotton production in vertisols of Andhra Pradesh, India

S. Ratna Kumari; Mridula George Agricultural Science Digest - A Research Journal 2013. doi:10.5958/j.0976-0547.33.3.006

Other claims from this paper (5)

Record rev-e314c6b8cee710d65570c6b4f9524433996b80b64e9916122d28d6b08180cd28 · schema claims-v0.9 · position 1 in the model’s answer

(2-chloroethyl)phosphonic acid · yield · Gossypium hirsutum (cotton)Results differ

20 papers: 13 positive, 7 negative or no effect

12 papers in the same direction as this claim · 7 in the opposite direction

  1. no effect
    Lint yields of cotton did not differ between treatments in 1989.

    Early Season Floral Bud Removal and Cotton Growth, Yield, and Fiber Quality · 1992 · compared with the check

    Opposite direction

  2. negative
    Prep (ethephon) applied to accelerate boll opening at the 40% or 60% open stage significantly reduced cotton yield and grade.

    Influence of Harvest Factors on Cotton Yield and Quality · 1992

    Opposite direction

  3. negative
    Ethephon significantly reduced cotton yield at 48 to 62% opened bolls in 1980.

    Yield and Fiber Quality of Cotton Following Applicatioin of 2‐Chloroethyl Phosphonic Acid1 · 1986

    Opposite direction

  4. no effect
    Ethephon did not affect cotton yield.

    Effect of Reduced Rates of Ethephon on Late-Season Insect Oviposition and Feeding Sites in Cotton2 · 1990

    Opposite direction

  5. no effect
    Ethephon did not significantly affect yield overall.

    Effect of Irrigation Termination on the Yield, Earliness, and Fiber Qualities of Cotton · 1999

    Opposite direction

  6. no effect
    Ethephon generally did not affect yield, with an exception for the higher rate at one location.

    Early-season Cotton Square Removal with Ethephon and Initiation of Pink Bollworm Infestations · 1990

    Opposite direction

  7. no effect
    Ethephon and thidiazuron at the rates tested did not affect cotton lint yield.

    Cotton Yields: Nitrogen and Harvest Aid Effects · 1992

    Opposite direction

  8. positive
    Across defoliants, ethephon increased total lint yields in two tests under cooler conditions.

    Harvest-Aid Interactions under Different Temperature Regimes in Field-Grown Cotton · 1997

    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.