Paclobutrazol soil drenches inhibited extension growth of shoots on untopped vines and growth of lateral shoots on topped vines.

paclobutrazol · growth · Vitis vinifera (wine grape)Positive and negative results

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

1. negative
   Paclobutrazol significantly reduced internode length in all five cultivars.

   Leaf area and conductance, internode length, and root structure of five cultivars of Vitis vinifera treated with paclobutrazol · 1987

   Opposite direction

2. negative
   PP333 reduced height, leaf area, internode length, node number and leaf number in three Vitis vinifera varieties.

   The Effects of Different Mass Concentrations of PP_(333) and CCC on Growth of Grape Tube-plantlets · 2012

   Opposite direction

3. positive
   The combination resulted in more and thicker roots.

   Paclobutrazol and Reduced Humidity Improve Resistance to Wilting of Micropropagated Grapevine · 1992

   Same direction

4. positive
   Paclobutrazol reduced lateral shoot growth, mainly on the uppermost main shoot, in both hedged and nonhedged vines.

   Inhibition of Lateral Shoot Growth in Summer-hedged ‘Riesling’ Grapevines by Paclobutrazol · 1988 · compared with 0

   Same direction

application · growth · Vitis vinifera (wine grape)Positive and negative results

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

1. no effect
   Foliar N+S fertilization did not modify vine vigour or maturity level of grapes compared with the control.

   Effect of foliar nitrogen and sulphur application on aromatic expression of Vitis vinifera L. cv. Sauvignon blanc · 2008 · compared with the control

   Opposite direction

2. negative
   Saline foliar irrigation over 27 weeks reduced total vine growth by 14%.

   Separating the Effects of Foliar and Root Salt Uptake on Growth and Mineral Composition of Four Grapevine Cultivars on their Own Roots and on `Ramsey' Rootstock · 1996 · compared with nonsaline

   Opposite direction

3. positive
   GA3 soaking of seeds promoted the germination and seedling rate of the tested grape varieties.

   Characteristics of the Seed Germination and Seedlings of Six Grape Varieties (V. vinifera) · 2022

   Same direction

4. positive
   Gibberellin treatment elongated and loosened Zinfandel clusters.

   Effect of gibberellin on seededVitis vinifera, and its translocation within the vine · 1959

   Same direction

5. positive
   The biostimulant increased grape bunch development by 9.5% relative to untreated control, significantly.

   Biostimulants for Resilient Agriculture: A Preliminary Assessment in Italy · 2022 · compared with untreated control

   Same direction

6. positive
   Foliar treatments significantly increased grape berry size and weight relative to controls.

   EFFECT OF FOLIAR APPLICATION OF ZINK AND SALICYLIC ACID ON VEGETATIVE GROWTH AND YIELD CHARACTERISTICS OF HALAWANI GRAPE CULTIVAR (Vitis vinifera L.) · 2021 · compared with control

   Same direction

7. positive
   Pre-bloom thidiazuron spraying significantly promoted ovule development.

   Effects of pre‐bloom spraying thidiazuron and different embryo development media on seedless grape embryo rescue · 2022

   Same direction

8. positive
   30 mM foliar GB increased number of leaves/vine by 20.55% versus control.

   Influence of foliar-applied glycinebetaine on growth, yield and some key physiological and biochemical attributes of grape (Vitis vinifera L.) · 2021 · compared with control treatment

   Same direction

10 papers more in this group