Gibberellic Acid (GA3)

Plant Growth Regulators • Plant Tissue Culture

Gibberellic Acid (GA3)

A plant growth regulator used in plant tissue culture, seed germination and plant growth research.

Product Overview

Gibberellic Acid (GA3), also known as Gibberellin A3, is a plant hormone that plays an important role in plant growth and development. This tetracyclic diterpenoid compound is involved in processes such as stem elongation, seed germination, flowering and fruit development.

In plant tissue culture, GA3 may be added to suitable growth media to influence cell elongation and support the development of shoots and young plant tissues. Its effects depend on the plant species, culture conditions and concentration used.

Gibberellic Acid GA3 powder 5 g

Gibberellic Acid (GA3) – 5 g

Gentaur Product

Gibberellic Acid (GA3)

CAT#: 0644-CN-G001-5GM

Size: 5 g

CAS Number: 77-06-5

Synonyms: GA3, Gibberellin A3

Molecular Formula: C19H22O6

Material: Powder

Appearance: Cream to tan powder

Dry Ice: No

Hazardous: No

Availability

24/48H Stock Items & 2 to 6 Weeks non Stock Items.

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Key Features

Plant Growth Regulator

Supports research into plant growth and developmental processes.

Seed Germination

Used in studies involving seed germination and dormancy breaking.

Cell Elongation

Involved in stem elongation and the growth of plant tissues.

Tissue Culture Suitable

Suitable for use in plant tissue culture applications.

Applications

Gibberellic Acid (GA3) is used in plant science research and agricultural applications involving plant growth and development.

  • Plant Tissue Culture: Added to suitable culture media to influence shoot and tissue development.
  • Seed Germination: Used in research on germination and seed dormancy.
  • Cell Elongation: Supports studies of stem elongation and plant tissue growth.
  • Plant Regeneration: Used in selected in vitro plant growth and regeneration protocols.
  • Flowering and Fruit Development: Investigated for its role in flowering, fruit growth and crop development.
  • Agricultural Research: Used in studies involving crop growth and plant development.
  • Barley Malting: Gibberellins may be used to stimulate the germination-related processes of dormant barley kernels.

General Tissue Culture Media Preparation

GA3 is commonly incorporated into plant tissue culture media from a prepared plant growth regulator (PGR) stock solution. The appropriate concentration depends on the plant species and experimental protocol.

  1. Prepare liquid tissue culture medium using MS, DKW or another suitable basal medium.
  2. Add sugar according to the selected formulation. A common example is 30 g/L.
  3. If required, add PPM™ according to the laboratory protocol.
  4. For solid media, add a suitable gelling agent, such as 3–4 g/L Gellan Gum or 6–8 g/L agar, as a starting formulation.
  5. Prepare or use a suitable GA3 stock solution and add the required amount to achieve the desired final concentration.
  6. Mix thoroughly and sterilize the medium using a validated protocol appropriate for the formulation.
Protocol Note

GA3 may be sensitive to sterilization conditions. Follow the validated protocol for your application to determine whether it should be filter-sterilized and added after the medium has cooled. Do not assume that every GA3 formulation should be autoclaved directly.

Features & Benefits

  • Helps promote seed germination and break dormancy in suitable plant systems.
  • Supports research into stem elongation and cell growth.
  • Involved in cell division and fruit development processes.
  • Useful for plant tissue culture and plant growth research.
  • Powder format for preparation of laboratory stock solutions.
  • Suitable for tissue culture applications.

Product Specifications

Product Name Gibberellic Acid (GA3)
Catalog Number 0644-CN-G001-5GM
Size 5 g
CAS Number 77-06-5
Synonyms GA3, Gibberellin A3
Molecular Formula C19H22O6
HS Code 2932.2
Material Powder
Appearance Cream to tan powder
Suitability Passes for Tissue Culture
Storage Conditions Room Temperature
Storage Temperature 2–8°C
Shelf Life 3 years from the manufacturing date
Dry Ice Required No
Hazardous No

Frequently Asked Questions

What is Gibberellic Acid (GA3) used for?

GA3 is a plant hormone used in research involving seed germination, stem elongation, flowering, fruit development and plant tissue culture.

Can GA3 be used in plant tissue culture?

Yes. GA3 can be added to suitable plant tissue culture media to influence growth and development. The optimal concentration depends on the plant species and protocol.

Does GA3 help seed germination?

GA3 can promote germination and help overcome dormancy in certain plant species, depending on the seed and treatment conditions.

How should GA3 be stored?

The supplied product information lists room-temperature storage conditions and a storage temperature of 2–8°C. Follow the product label and applicable manufacturer instructions.

What is the size of this product?

This listing is supplied as 5 g under Gentaur CAT#: 0644-CN-G001-5GM.

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Gentaur – Laboratory Reagents, Life Science & Research Products
23rd Sep 2026

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