Intervention effectmodel-written summary

Night chilling treatment inhibited stem elongation in lettuce.

A claim from Effects of End of Day Lighting after Night Chilling Treatment on Growth and Development of Lettuce · 2017

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Night chilling treatment inhibited stem elongation in lettuce.

Taxon
lettuceLactuca sativae1
Treatment
night chilling treatmente2
Outcome
stem elongatione2
Direction
inhibitede2

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Lactuca sativa
Lactuca sativa · Taxonen:User:Geographer · CC BY 1.0 · Wikimedia Commons ↗

Verbatim

e1

“Stem elongation and capitulum formation in lettuce is promoted during warm conditions”

✓ located verbatim in the source · abstract, characters 0–85
e2

“The stem elongation was inhibited by night chilling treatment and was inhibited by end of day lighting treatment remarkably”

✓ located verbatim in the source · abstract, characters 775–898

Title

Effects of End of Day Lighting after Night Chilling Treatment on Growth and Development of Lettuce

Nobuyuki OKUDA; Yuta MIYA; Tomohiro YANAGI; et al. Environment Control in Biology 2017. doi:10.2525/ecb.55.7

Other claims from this paper (3)

Record rev-7780f8956b001c89330659cc62c992babae8379abdc435bf7b0bbe4de4cf24ec · schema claims-v0.9 · position 1 in the model’s answer

cold · growth · Lactuca sativa (garden lettuce)Positive and negative results

6 papers: 3 positive, 3 negative or no effect

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

  1. negative
    Seven days of low root-zone temperature reduced lettuce leaf area, stem size, fresh weight, and water content relative to ambient temperature.

    Effect of Root-Zone Temperature on Growth and Quality of Hydroponically Grown Red Leaf Lettuce (Lactuca sativa L. cv. Red Wave) · 2015 · compared with ambient root-zone temperature exposure

    Opposite direction

  2. negative
    Cold and hot pine substrate extracts reduced lettuce germination and radicle growth.

    Laboratory bioassay and greenhouse evaluation of a pine tree substrate used as a container substrate · 2009

    Opposite direction

  3. no effect
    No significant difference in lettuce growth was observed between the two PPALs.

    Performance of Introducing Outdoor Cold Air for Cooling a Plant Production System with Artificial Light · 2016 · compared with PPALc

    Opposite direction

  4. positive
    Chilling reversed the prior 30 C imbibition effect on germination.

    Antagonistic Effects of High and Low Temperature Pretreatments on the Germination and Pregermination Ethylene Synthesis of Lettuce Seeds · 1972 · compared with a prior imbibition at 30 C

    Same direction

  5. positive
    Low temperature seed treatment increased lettuce plant height by 5-10 cm.

    Bolting Response of Various Lettuce Cultivars Affected by Seed Treatments · 2007

    Same direction

See all 6 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.