Intervention effectmodel-written summary

Early leaf removal enhanced concentrations of several secondary metabolites in grape.

A claim from Quantitative metabolomics unveils the impact of agricultural practices in grape metabolome. · 2021

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Early leaf removal enhanced concentrations of several secondary metabolites in grape.

Taxon
grapet0
Treatment
ELRe0
Outcome
concentration of several secondary metabolitese0
Direction
enhancede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Verbatim

e0

“The application of discriminant analysis using a supervised PLS (sPLS-DA) algorithm along with MANOVA reveals that ELR enhanced the concentration of several secondary metabolites, without compromising other berry attributes pivotal for the vinification process, such as sugar content.”

✓ located verbatim in the source · abstract, characters 540–824
t0

“Quantitative metabolomics unveils the impact of agricultural practices in grape metabolome.”

✓ located verbatim in the source · title, characters 0–91

Title

Quantitative metabolomics unveils the impact of agricultural practices in grape metabolome.

Ilce G. Medina-Meza; Joshua VanderWeide; Cristobal Torres-Palacios; et al. 2021. doi:10.31220/agrirxiv.2021.00029

Other claims from this paper (1)

Record rev-2f59ab0da211510cf89ab8b6d4fb6a6099e1960ee8a496154925afcf84197d2e · schema claims-v0.9 · position 1 in the model’s answer

pruning · quality: phytochemicals · VitisPositive and negative results

38 papers: 30 positive, 8 negative or no effect

29 papers in the same direction as this claim · 7 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Phenolic ripening of grapevines was unaffected by leaf removal at either harvest date

    Late leaf removal aimed at delaying ripening in cv. Sangiovese: physiological assessment and vine performance · 2013 · compared with untouched vines

    Opposite direction

  2. no effect
    Pruning shortly after harvest had no significant adverse effect on vine phenology or productivity.

    Influence of retained cane number and pruning time on grapevine yield components, fruit composition and vine phenology of Sauvignon Blanc vines · 2011

    Opposite direction

  3. negative
    Defoliation reduced anthocyanins concentration in Montepulciano at harvest.

    POST-VERAISON MECHANICAL LEAF REMOVAL DELAYS BERRY RIPENING ON 'SANGIOVESE' AND 'MONTEPULCIANO' GRAPEVINES · 2013

    Opposite direction

  4. negative
    Leaf removal reduced most phenolic groups in both cultivars.

    Leaf removal at veraison stage differentially affects qualitative attributes and bioactive composition of fresh and dehydrated grapes of two indigenous Cypriot cultivars · 2018

    Opposite direction

  5. negative
    Both defoliation treatments significantly reduced total polyphenols in grape extracts.

    Impact of leaf removal as a source of stresses on grapevine yields, chemical characteristics, and anthocyanin content in the grapevine variety Babica · 2023

    Opposite direction

  6. negative
    Fruit sugar and anthocyanin accumulation continued during the post-véraison period in completely defoliated vines, albeit at reduced rates.

    Grapevine carbohydrate and nitrogen allocation during berry maturation:: Implications of source-sink relations and water supply · 2017

    Opposite direction

  7. no effect
    Ripening delay under minimal pruning did not improve berry-skin anthocyanin synthesis.

    Viticultural techniques of canopy management to mitigate the effects of global warming · 2017

    Opposite direction

  8. no effect
    Mechanical pre-flowering leaf removal left Gamay anthocyanin concentration stable.

    Mechanisation of pre-flowering leaf removal under the temperate climate conditions of Switzerland · 2023 · compared with mechanical post-berry-set LR

    No difference from an alternative

29 papers more in this group

See all 38 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.