IBA plus GA3 plus Zn gave maximum fruit yield of 100 tones per hectare.

zinc atom · yield · Solanum lycopersicum (tomato)Results differ

43 papers in the same direction as this claim · 1 in the opposite direction

1. negative
   Added zinc significantly reduced tomato root and shoot biomass, height, and fruit number.

   The Effects of Seed Inoculation with Bacterial Biofilm on the Growth and Elemental Composition of Tomato (Solanum lycopersicum L.) Cultivated on a Zinc-Contaminated Substrate · 2024 · compared with without added zinc

   Opposite direction

2. positive
   Zinc amendments reduced fusaric acid production in the rockwool bioassay.

   Zinc Improves Biocontrol of Fusarium Crown and Root Rot of Tomato by Pseudomonas fluorescens and Represses the Production of Pathogen Metabolites Inhibitory to Bacterial Antibiotic Biosynthesis · 1997

   Same direction

3. positive
   The N, P and zinc combination yielded a maximum 41.67 fruits per plant.

   Interactive effects of nitrogen, phosphorus and zinc on growth and yield of Tomato (Solanum lycopersicum) · 2012

   Same direction

4. positive
   Combined foliar Zn and Fe gave maximum fruits per cluster of 8.

   Effects of Zn, Fe and their Combination Treatments on the growth and yield of tomato · 2013

   Same direction

5. positive
   Low to moderate B and Zn applications increased economic yields of cauliflower and tomato by 8 to more than 100%.

   Boron and zinc fertilizer applications are essential in emerging vegetable‐based crop rotations in Nepal · 2020

   Same direction

6. positive
   Foliar Zn and B produced maximum fruit yield in 2013.

   Effectiveness of soil and foliar applications of zinc and boron on the yield of tomato · 2016

   Same direction

7. positive
   Combined zinc and boron at 100 ppm gave the maximum number of flowers, 75.21.

   Improvement of growth, yield and quality of tomato (Solanum lycopersicum L.) cv. Azad T-6 with foliar application of zinc and boron · 2015

   Same direction

8. positive
   The combined Zn, B and N foliar treatment improved tomato fruit number, average fruit weight and yield per plant.

   Combined Efficacy of Macro-Nutrients and Micro-Nutrients as Foliar Application on Growth and Yield of Tomato Grown By Vegetable Forcing · 2011

   Same direction

36 papers more in this group

Gibberellic acid · yield · Solanum lycopersicum (tomato)Results differ

50 papers in the same direction as this claim · 5 in the opposite direction

1. negative
   GA reduced total fruit yield in 1988.

   Drought, Paclobutrazol, Abscisic Acid, and Gibberellic Acid as Alternatives to Daminozide in Tomato Transplant Production · 1992

   Opposite direction

2. no effect
   GA3 did not increase seeds per fruit relative to controls.

   Gibberellic acid induced multilocular fruits in tomato and the role of locule number and seed number in fruit size · 1978 · compared with controls

   Opposite direction

3. no effect
   GA3 treatment did not retard growth or cause flower bud abscission in tomato.

   Effects of Gibberellic acid and 2,4-Dichlorophenoxy Acetic Acid Spray on Vegetative Growth, Fruit Anatomy and Seed Setting of Tomato (Lycopersicon esculentum Mill.) · 2013

   Opposite direction

4. no effect
   GA did not affect fruit size.

   Genotypic and Chemical Influences on Fruit Growth of Tomato · 1990

   Opposite direction

5. negative
   GA biosynthesis inhibition suppressed Sldad1 fruit set.

   Spatiotemporal localization of jasmonate in the regulation of fruit set in tomato · 2025

   Opposite direction

6. positive
   GA(3) application reversed the inhibitor effects on tomato fruit growth and set.

   Gibberellin Regulation of Fruit Set and Growth in Tomato · 2007

   Same direction

7. positive
   GA application to a developing inflorescence or stem tip completed flower bud development and fruit set.

   FLOWER DEVELOPMENT IN NORMAL TOMATO AND A GIBBERELLIN‐DEFICIENT (ga‐2) MUTANT · 1988

   Same direction

8. positive
   GA improved tomato yield.

   Amendment of hydroponic nutrient solution with humic acid and glutamic acid in tomato (Lycopersicon esculentumMill.) culture · 2013

   Same direction

47 papers more in this group

indole-3-butyric acid · yield · Solanum lycopersicum (tomato)Positive and negative results

4 papers in the same direction as this claim · 1 in the opposite direction

1. no effect
   IBA treatment did not significantly change tomato fruit set relative to control in either season.

   Effects of auxin application on fruit formation in tomato growing under stress temperatures in the field · 2003 · compared with controls

   Opposite direction

2. positive
   Some combined hormone applications significantly increased root dry matter.

   Sinergism among auxins, gibberellins and cytokinins in tomato cv. Micro-Tom · 2013 · compared with the control

   Same direction

3. positive
   Combined application of IBA and GA3 at 25 ppm gave the maximum tomato yield (39.6 MT/ha).

   Effect of Different Plant Growth Regulators on Growth and Yield of Tomato (Lycopersicon esculentum) · 2020

   Same direction

4. positive
   The tested fruit-set agents improved first-cluster set by 20.9 to 37.1 per cent.

   The effects of indolebutyric acid and irradiation on tomato fruit set and yield · 2012

   Same direction

5. positive
   The T7 combination yielded 100.00 t/ha tomato, the reported maximum.

   Effects of Foliar Application of Indol Butyric Acid(IBA), Gibberellic Acid (GA3) and Zinc (Zn) on Yield and Quality of Tomato · 2020

   Same direction