Gibberellic acid · Growth · Prunus persica (peach)

Parthenocarpic Fruit Growth and Development of the Peach as Influenced by Gibberellin Application · 1972

• positive
  GA3 at 1000ppm applied within 30 days after emasculation let non-pollinated peach fruit continue further growth.

Peach Seed Dormancy in Relation to Endogenous Inhibitors and Applied Growth Substances1 · 1972

• positive
  Combined GA and BA synergistically promoted dormant seed germination.

Response of Phony-infected Peach Trees to Gibberellic Acid1 · 1978

• positive
  Two summer gibberellic acid applications restored nearly normal twig growth in phony infected peach trees.

Studies on Stratification and Chemical Treatments of Dormant Seeds of Low Chilling Peach Cultivars Ii. Effect on Seedling Growth · 1982

• positive
  GA plus thiourea and ethrel treatment of stratified seeds further stimulated growth in all three cultivars, with cultivar-dependent increments.

Study on the Stratification and Chemical Treatment of Dormant Seeds of Low Chilling Peach Cultivars1 I. Effect on Seed Germination · 1983

• positive
  GA, thiourea and ethrel treatment improved peach germination and reduced the stratification period needed for 75 percent germination to 15 days.

Changes in gibberellin‐like substances of peach seed during stratification · 1986

• positive
  Pre-stratification GA 3 increased germination only after at least 35 days at 5°C.

Effect of BA + GA4+7, BA, and Daminozide on Growth and Lateral Shoot Development in Peach · 1986

• positive
  BA plus GA4+7 increased peach tree height and internode length.
• positive
  BA plus GA4+7 with 500 or 1000 ppm daminozide most effectively induced lateral development at terminal growth of 15–20 or 31–36 cm.

Gibberellin Inhibits Fruit Abscission Following Seed Abortion in Peach · 1990

• positive
  Both GA treatments supported normal Stage II growth in Loring.

Response of Peach Seedlings to Root-zone Temperature and Root-applied Growth Regulators · 1991

• positive
  GA 3 reversed low-temperature suppression of shoot elongation.

  compared with low RZT

• negative
  GA 3 inhibited root growth at all root-zone temperatures.

Protein Changes in Peach Seeds during Chilling Are Not Associated with Breaking Dormancy · 1994

• positive
  Gibberellic acid induced 35 % to 40% germination in nonchilled seeds.

Dormancy in peach (Prunus persica) flower buds. VI. Effects of gibberellins and an acylcyclohexanedione (trinexapac-ethyl) on bud morphogenesis in field experiments with orchard trees and on cuttings · 2002

• positive
  16,17-dihydro GA 5 stimulated development in up to 80% of treated buds.
• positive
  16,17-dihydro GA 5 was the most consistent treatment for bud development and earlier anthesis.
• positive
  2,2-dimethyl GA 4 promoted bud development on cuttings across application dates.

Standardization of culture conditions for in-vitro germination in subtropical peach (Prunus persica) cv. Flordasun · 2002

• positive
  BAP with GA3 produced the minimum time to root and shoot emergence.
• positive
  BAP at 1.5 mg/litre with GA3 at 1.0 mg/litre gave the highest embryo germination.

EFFECTS OF FOLIAR APPLICATION OF CHOLINE CHLORIDE AND GA ON GROWTH, COLORATION, AND QUALITY OF 'MIBAEK' PEACHES · 2004

• positive
  Combined CC and GA increased shoot and leaf growth

Gibberellic Acid Inhibits Flowering and Reduces Hand Thinning of `Redhaven' Peach · 2006

• positive
  GA3 application timing significantly increased overall tree growth, measured by trunk cross-sectional area.

cites 2 papers here

Effect of seed priming on peach, plum and apricot germination and subsequent seedling growth · 2013

• positive
  Primed peach seedlings had maximum height of 83.96 cm and girth of 6.63 mm.

An In Vitro Germination Technique for Some Stone Fruit Species: the Embryo Isolated from Cotyledons Successfully Germinated without Cold Pre-treatment of Seeds · 2014

• positive
  BAP and GA 3 combinations significantly increased embryo germination in peach.

Effect of Magnesium and Foliar Spray of Gibberellic and Salicylic Acids on Vegetative Growth Characteristics of Peach (Prunus persica L.) Saplings CV. Miski · 2019

• positive
  Foliar gibberellic acid increased leaf area and total leaf area of saplings.
• positive
  Foliar gibberellic acid increased sapling height and diameter and branch length.

Response of Some Vegetative Growth Characteristics of Peach (prunus Persica L) Cv. Dixired Transplants to Foliar Spray with Urea And Some Growth Regulators · 2020

• positive
  Urea and GA3 interacted significantly across all listed growth parameters, with 1 or 2% Urea plus 500mg GA3 L -1 best.
• positive
  GA3 spray significantly increased shoot length, leaf area and transplant height.
• positive
  The three way interaction significantly affected all growth parameters, with 2% Urea plus 500mg GA3 L -1 plus 150mg BA L -1 best.
• negative
  GA3 spray significantly decreased shoot number.

Seed Priming for Improving Seed Germination and Growth of Peach cv. Sharbati · 2022

• positive
  GA3 at 1500 ppm for 24 hours gave the minimum germination-initiation time of 22.00 days, at par with GA3 at 1000 ppm.

  compared with GA3 @ 1000 ppm for 24 hours

• positive
  GA3 at 1500 ppm for 24 hours produced maximum germination of 46.66 % and 66.66 %, at par with GA3 at 1000 ppm.

  compared with GA3 @ 1000 ppm for 24 hours

• positive
  GA3 at 1500 ppm for 24 hours gave a minimum 35.66 days to complete germination, at par with GA3 at 1000 ppm.

  compared with GA3 @ 1000 ppm for 24 hours

• positive
  GA3 at 1500 ppm produced maximum stem diameter at 30–150 days after sowing.
• positive
  GA3 at 1500 ppm produced maximum plant height, leaf number and leaf area at 30–150 days after sowing.
• positive
  GA3 at 1500 ppm for 24 hours gave a minimum 28.66 days to 50 percent germination, at par with GA3 at 1000 ppm.

  compared with GA3 @ 1000 ppm for 24 hours