Intervention effectmodel-written summary

Fruit size was significantly improved by 750 ppm paclobutrazol plus two summer prunings compared with control (53.15 cm).

A claim from Effect of paclobutrazol and summer pruning on yield and fruit quality of apple cv. ‘Red delicious’ · 2015

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Fruit size was significantly improved by 750 ppm paclobutrazol plus two summer prunings compared with control (53.15 cm).

Material
Red Deliciouse0
Treatment
750 ppm paclobutrazol + 2 summer pruningse2
Outcome
fruit sizee2
Direction
improvede2
Value
53.15 cme2
Comparator
controle2

Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e0

“apple cv. ‘Red Delicious’”

✓ located verbatim in the source · abstract, characters 117–142
e2

“treatment 750 ppm paclobutrazol + 2 summer prunings in comparison to control. In addition, it significantly improved fruit size (53.15 cm)”

✓ located verbatim in the source · abstract, characters 567–705

Title

Effect of paclobutrazol and summer pruning on yield and fruit quality of apple cv. ‘Red delicious’

Naira Ashraf; M.Y. Bhat; M.K. Sharma; et al. Applied Biological Research 2015. doi:10.5958/0974-4517.2015.00026.9

Other claims from this paper (10)

Record rev-4930e4e1332b287deda23962b3f941a5e563e31b8aab97d5f9a716fef9fe8f5d · schema claims-v0.9 · position 2 in the model’s answer

paclobutrazol · yield · Malus domestica (apple)Results differ

10 papers: 7 positive, 3 negative or no effect

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

  1. negative
    Paclobutrazol including a spray at three weeks after petal fall reduced Cox fruit number and yield per tree.

    The use of growth regulators to increase precocity in apple trees · 1986

    Opposite direction

  2. negative
    PBZ reduced fresh weight, dry weight, length, and diameter of fruit in both cultivars.

    Paclobutrazol, Gibberellin, and Cytokinin Effects on Growth, Development, and Histology of Apple Pedicels and Fruits · 1989

    Opposite direction

  3. no effect
    A single paclobutrazol spray had no significant effect on total Suntan yield.

    The effect of paclobutrazol sprays with or without the addition of surfactants on the shoot growth, yield and fruit quality of the apple cultivars Cox and Suntan · 1986

    Opposite direction

  4. positive
    Paclobutrazol increased fruit set for two years through carryover.

    Reduced Rates and Multiple Sprays of Paclobutrazol Control Growth and Improve Fruit Quality of `Delicious' Apples · 1991

    Same direction

  5. positive
    Production efficiency of paclobutrazol-treated apple trees was 2.6 times higher than that of untreated check trees.

    Influence of paclobutrazol on photosynthesis rate and dry matter partitioning in the apple tree · 1995 · compared with untreated check trees

    Same direction

  6. positive
    Combined PBZ and GA reversed the PBZ effect on fruit yield.

    Effect of foliar‐applied gibberellins and soil‐applied paclobutrazol on reproductive and vegetative growth of ‘Braebum’ apple trees growing under a high‐density planting system · 1997 · compared with PBZ effects

    Same direction

  7. positive
    Paclobutrazol made apple fruit firmer than control and RSW0411 fruit.

    APPLE QUALITY INFLUENCED BY TRIAZOLE GROWTH RETARDANTS · 1988 · compared with both controls and fruit from RSW0411 treated trees

    Same direction

  8. positive
    Paclobutrazol increased mean apple fruit weight in the year after application.

    Effect of foliar‐applied gibberellins and soil‐applied paclobutrazol on fruit quality at harvest and during storage of ‘Braebum’ apples growing under a high‐density planting system · 1997

    Same direction

1 paper more in this group

See all 10 papers →

pruning · yield · Malus domestica (apple)Positive and negative results

147 papers: 100 positive, 47 negative or no effect

99 papers in the same direction as this claim · 47 in the opposite direction

  1. no effect
    Summer pruning did not negatively affect fruit weight or other instrumental storage characteristics.

    Summer Pruning, an Eco-Friendly Approach to Controlling Bitter Pit and Preserving Sensory Quality in Highly Vigorous Apple cv. ‘Reinette du Canada’ · 2021

    Opposite directionCites this paper

  2. negative
    Ringing reduced final fruit set.

    Effect of Spur Defoliation and Ringing during Bloom on Fruiting, Fruit Mineral Level, and Net Photosynthesis of ‘Golden Delicious’ Apple1 · 1982

    Opposite direction

  3. no effect
    Leaf removal had no effect on fruit size or K content.

    Wood age and leaf area influence fruit size and mineral composition of apple fruit · 1994

    Opposite direction

  4. negative
    Fruit thinning reduced yield.

    Fruit Numbers, Fruit Size, and Yield Relationships in ‘McIntosh’ Apples1 · 1977

    Opposite direction

  5. negative
    Root pruning at bloom reduced cumulative apple yield by 14%.

    Time of Root Pruning Influences Vegetative Growth, Fruit Size, Biennial Bearing, and Yield of `Jonathan' Apple · 1992

    Opposite direction

  6. negative
    Pruned trees had reduced yield, primarily due to fewer flower clusters.

    Leaf Area Development Patterns in Young Pruned and Unpruned Apple Trees · 1984 · compared with Unpruned

    Opposite direction

  7. no effect
    Summer pruning alone did not affect apple return bloom.

    Summer pruning effects on fruit size, fruit quality, return bloom and fine root survival in apple trees · 2003

    Opposite direction

  8. negative
    The most severe thinning cut yield by over 50% in both years.

    Influence of Mechanical String Thinning Treatments on Vegetative and Reproductive Tissues, Fruit Set, Yield, and Fruit Quality of ‘Gala’ Apple · 2013

    Opposite direction

138 papers more in this group

See all 147 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.