Intervention effectmodel-written summary

PEG significantly lowered vigour index in wheat.

A claim from Selection of drought tolerant wheat genotypes by osmotic stress imposed at germination and early seedling stage · 2018

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

PEG significantly lowered vigour index in wheat.

Treatment
PEG treatmente0
Outcome
vigour indexe0
Direction
lowere0
Comparator
control conditione0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Among the 100 genotypes the rate of germination percentage, final germination (%), root and shoot dry weight, amount of respiration and vigour index under PEG treatment was found significantly lower than that of control condition.”

✓ located verbatim in the source · abstract, characters 390–620
t0

“wheat”

✓ located verbatim in the source · title, characters 30–35

Title

Selection of drought tolerant wheat genotypes by osmotic stress imposed at germination and early seedling stage

RR Saha; A Hannan; A Nessa; et al. SAARC Journal of Agriculture 2018. doi:10.3329/sja.v15i2.35147

Other claims from this paper (14)

Record rev-4fa17a157edca347ec27d7d5bd3e81e31c88730d274ccfbe617e1fcf82517de4 · schema claims-v0.9 · position 5 in the model’s answer

poly(ethylene glycol) · growth · Triticum aestivum (wheat)Positive and negative results

23 papers: 6 positive, 17 negative or no effect

16 papers in the same direction as this claim · 6 in the opposite direction

  1. positive
    Polyethylene glycol produced similar reductions in affected leaf area in 1998.

    Effect of foliar‐applied potassium chloride on septoria leaf blotch of winter wheat · 2004

    Opposite direction

  2. positive
    Longer hydration in −0.37 MPa polyethylene glycol solution (20 h at 20 °C), applied after storage, restored germination rates of wheat seeds that remained viable.

    Hydration‐Dehydration Treatments to Protect or Repair Stored ‘Karamu’ Wheat Seeds · 1991

    Opposite direction

  3. positive
    Coleoptile growth rate greatly increased after PEG was removed.

    Osmotic Stress-Induced Growth Suppression of Dark-Grown Wheat (Triticum aestivum L.) Coleoptiles · 1997

    Opposite direction

  4. positive
    Wheat seeds kept higher germination percentage at 15 to 25 °C or at PEG levels of 0 to 20%.

    The germination and seedlings growth response of wheat and corn to drought and low temperature in spring of Northeast China · 2014

    Opposite direction

  5. positive
    BARI Gom 27 pre-treated with 10% PEG had the highest germination percentage (95.55%) compared with BARI Gom 28 (75.55%).

    Germination Behavior of Wheat (Triticum Aestivum L.) as Influenced by Polyethylene Glycol (PEG) · 2016 · compared with BARI Gom 28

    Opposite direction

  6. positive
    In Rujana, Anđelka, Fifi and Bubnjar the germination energy decrease under PEG drought was less pronounced than in Pepeljuga and Silvij.

    Morpho-physiological and hormonal response of different winter wheat varieties to drought stress at germination and seedling stage · 2023 · compared with Pepeljuga and Silvij

    Opposite direction

  7. negative
    Polyethylene glycol reduced fresh weight of -mtlD calli by 40%.

    Tolerance of Mannitol-Accumulating Transgenic Wheat to Water Stress and Salinity · 2003

    Same direction

  8. negative
    PEG reduced shoot and root biomass and coleoptile length.

    Application of physiological and biochemical indices as a screening technique for drought tolerance in wheat genotypes · 2008

    Same direction

14 papers more in this group

See all 23 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.