Intervention effectmodel-written summary

Elevated CO2 had no significant effect on tall fescue shoot biomass during rewatering.

A claim from Responses to elevated carbon dioxide for postdrought recovery of turfgrass species differing in growth characteristics · 2021

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Elevated CO2 had no significant effect on tall fescue shoot biomass during rewatering.

Taxon
tall fescueLolium arundinaceume0
Treatment
Elevated CO 2e0
Outcome
shoot biomasse0
Direction
no significant effectse0
Qualifier
during rewateringe0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue

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

Lolium arundinaceum
Lolium arundinaceum · TaxonKrzysztof Ziarnek, Kenraiz · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Elevated CO 2 had no significant effects on the viability of crowns with meristematic tissues in tall fescue during drought nor shoot biomass or percent turfgrass cover during rewatering.”

✓ located verbatim in the source · abstract, characters 1288–1475

Title

Responses to elevated carbon dioxide for postdrought recovery of turfgrass species differing in growth characteristics

Cathryn Chapman; Patrick Burgess; Bingru Huang Crop Science 2021. doi:10.1002/csc2.20622

Other claims from this paper (7)

Record rev-044bd16cd471d4d9425cf16de412777eede7689a7cfaa39bbf3022bccbdfe8d5 · schema claims-v0.9 · position 7 in the model’s answer

co2 · growth · Lolium arundinaceum (tall fescue)Results differ

9 papers: 6 positive, 3 negative or no effect

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

  1. negative
    Heat stress at ambient CO2 inhibited turf growth and reduced membrane stability in tall fescue.

    Metabolic Responses to Heat Stress under Elevated Atmospheric CO2 Concentration in a Cool-season Grass Species · 2012

    Same directionCited by this paper

  2. positive
    Elevated carbon dioxide increased dry matter yield by 53% under low nitrogen.

    Effects of elevated CO2, nitrogen and fungal endophyte‐infection on tall fescue: growth, photosynthesis, chemical composition and digestibility · 2003

    Opposite direction

  3. positive
    Elevated carbon dioxide increased tall fescue leaf length under sufficient nitrate.

    Proteomic Profiling for Metabolic Pathways Involved in Interactive Effects of Elevated Carbon Dioxide and Nitrogen on Leaf Growth in a Perennial Grass Species · 2019

    Opposite direction

  4. positive
    Elevated CO2 increased tall fescue biomass in the high-fertility control and two more fertile soils.

    Response to elevated CO2 in the temperate C3 grass Festuca arundinaceae across a wide range of soils · 2015

    Opposite direction

  5. positive
    Elevated CO2 increased shoot biomass by 52%.

    Elevated atmospheric CO2 suppresses silicon accumulation and exacerbates endophyte reductions in plant phosphorus · 2023

    Opposite direction

  6. positive
    Elevated CO2 mitigated drought impacts on leaf elongation rate across the three species.

    Effects of atmospheric CO2 concentration on transpiration and leaf elongation responses to drought in Triticum aestivum , Lolium perenne and Festuca arundinacea · 2024

    Opposite direction

  7. positive
    Elevated CO2 promoted growth under low and moderate nitrogen, more strongly under moderate nitrogen.

    Cytokinin and auxin metabolism mediation of elevated [CO 2 ]-enhanced shoot growth under different nitrogen conditions in perennial grass · 2026

    Opposite direction

  8. negative
    Larval growth rates were somewhat higher with elevated CO2.

    Antiherbivore Defense Mutualism Under Elevated Carbon Dioxide Levels: A Fungal Endophyte and Grass · 1996

    Same direction

See all 9 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.