Intervention effectmodel-written summary

Pruning at the latest phenological stage (E-L 15) reduced Shiraz yield by over 50%.

A claim from Pruning after budburst to delay and spread grape maturity · 2017

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Pruning at the latest phenological stage (E-L 15) reduced Shiraz yield by over 50%.

Taxon
grapet0
Material
Shiraz vinese3
Treatment
pruned at the latest phenological stage (E-L 15)e3
Outcome
yielde3
Direction
reductione3
Value
over 50%e3

Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

Verbatim

t0

“grape maturity”

✓ located verbatim in the source · title, characters 43–57
e3

“The Shiraz vines pruned at the latest phenological stage (E-L 15) recorded a reduction in yield of over 50%”

✓ located verbatim in the source · abstract, characters 945–1052

Title

Pruning after budburst to delay and spread grape maturity

P.R. Petrie; S.J. Brooke; M.A. Moran; et al. Australian Journal of Grape and Wine Research 2017. doi:10.1111/ajgw.12303

Other claims from this paper (5)

Record rev-a922cc7bbebfdb3729f884f50b376a5ea7c16c873432fee0818c5bc05c7b89c7 · schema claims-v0.9 · position 3 in the model’s answer

pruning · yield · VitisPositive and negative results

107 papers: 71 positive, 36 negative or no effect

35 papers in the same direction as this claim · 71 in the opposite direction

  1. positive
    Autumn pruning increased productivity of Niagara Rosada.

    Phenological and productive aspects of grape varieties subjected to two pruning seasons in Vale do Rio do Peixe, SC · 2024

    Opposite directionCites this paper

  2. negative
    Late pruning reduced yield by 10%.

    Effect of delaying winter pruning of Bobal and Tempranillo grapevines on vine performance, grape and wine composition · 2020 · compared with vines pruned at dormancy

    Same directionCites this paper

  3. positive
    Removal of flowers on girdled shoots considerably increased percentage fruit-set.

    The Effect of Removing Leaves, Flowers and Shoot Tips on Fruit-Set inVitis ViniferaL. · 1962

    Opposite direction

  4. positive
    Girdling increased berry weight within each seed class by up to 14 percent.

    Fruit Set and Development in Seeded Grape Varieties as Affected by Defoliation, Topping, Girdling, and Other Treatments · 1959 · compared with control

    Opposite direction

  5. positive
    Girdling significantly increased berry size, cluster weight and yield per vine versus untreated control.

    Girdling, Gibberellic Acid, and Forchlorfenuron: Effects on Yield, Quality, and Metabolic Profile of Table Grape cv. Italia · 2014 · compared with untreated control

    Opposite direction

  6. positive
    Conversion yield was greater with post-fruit set leaf removal.

    Effects of Leaf Removal and Applied Water on Flavonoid Accumulation in Grapevine (Vitis vinifera L. cv. Merlot) Berry in a Hot Climate · 2016

    Opposite direction

  7. positive
    Girdling increased berry weight by about 0.8 g in both cultivars.

    The Influence of Girdling and Gibberellic Acid Application at Fruitset on Ruby Seedless and Thompson Seedless Grapes · 1987

    Opposite direction

  8. positive
    Shoot topping increased fruitset and yield per vine in grapevines.

    Response of fruitset and other yield components to shoot topping and 2-chlorethyltrimethyl-ammonium chloride application · 2009

    Opposite direction

98 papers more in this group

See all 107 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.