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High-Concentration PGR Technology

Master 40 Paclobutrazole 40% SC

Master 40 is a high-concentration plant growth regulator containing Paclobutrazole 40% SC, designed to control excessive vegetative growth, reduce plant height and internode length, improve plant structure, and support better flowering, fruit set, yield, and crop quality. It helps develop compact, dense, and robust plants by regulating gibberellin biosynthesis.

40% SC
Paclobutrazole
15–20 ml
Per 15 Liter Water
PGR
Growth Regulation
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Master 40
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The Science Behind

How Master 40 Works

Understanding how Paclobutrazole 40% SC regulates plant growth, controls excessive vegetative development, improves flowering and fruiting, and supports better crop quality.

MAIN INGREDIENT

Paclobutrazole 40% SC

Paclobutrazole 40% SC is a high-concentration suspension concentrate formulation that works by inhibiting the biosynthesis of gibberellins, the plant hormones responsible for promoting excessive growth. By reducing gibberellin production, Master 40 helps control plant height, reduce internode length, improve root development, and promote a compact, strong, and productive plant structure.

Gibberellin Regulation

Inhibits gibberellin biosynthesis to control excessive vegetative growth and reduce unnecessary plant height.

Compact Plant Structure

Promotes dense, compact, and robust plant growth by reducing internode length and improving plant architecture.

Flowering & Fruit Quality

Supports improved flowering, fruit set, fruit quality, yield, and overall crop performance.

Paclobutrazole 40% SC
Paclobutrazole 40% SC

High-concentration plant growth regulator

The Growth Regulation Process

1

Foliar Application

Apply Master 40 as a foliar spray by mixing the recommended dose with water and spraying directly on plant leaves.

2

Gibberellin Control

Paclobutrazole reduces gibberellin biosynthesis, helping control excessive vegetative growth.

3

Compact Growth Response

The plant develops reduced height, shorter internodes, and a more compact and dense structure.

4

Flowering & Quality Improvement

Plant energy is directed toward flowering, fruit set, fruit quality, yield, and stronger crop performance.

Live Growth Regulation Process

How Master 40 Supports Crop Development

See how Master 40 supports the crop journey from growth regulation and compact plant structure to improved flowering, fruit set, yield, and quality.

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Underground soil cross-section view

The Complete Process

1

Foliar Spray 💧

Master 40 is applied as a foliar spray after mixing the concentrate with water as per recommended dosage.

2

Gibberellin Biosynthesis Inhibition

Paclobutrazole inhibits gibberellin production, reducing excessive vegetative growth.

3

Reduced Height & Internodes 🫧

The crop develops reduced plant height and shorter internode length for better plant management.

4

Improved Plant Density

Plants become more compact, dense, and robust with improved structure and architecture.

✓

Better Flowering & Yield! 🌿

The crop shows improved flowering, fruit set, fruit quality, stress tolerance, and better yield potential.

40% SC
Paclobutrazole
15–20 ml
Per 15 Liter Water
Foliar
Application Method
Fruit Crops
Special Crop Focus

Detailed Process Breakdown

Each stage of Master 40’s growth regulation, plant structure improvement, flowering, and yield support process.

Stage 1

Foliar Spray Application

Mix the recommended dose of Master 40 with water and apply directly onto plant leaves as a foliar spray.

Stage 2

Gibberellin Inhibition

Paclobutrazole inhibits gibberellin biosynthesis, helping reduce excessive vegetative growth.

Stage 3

Height Control

Helps reduce plant height and internode length, making plants more compact and manageable.

Stage 4

Improved Plant Structure

Enhances plant structure and density, promoting a stronger, more robust growth habit.

Stage 5

Flowering & Fruit Set

Supports improved flowering and fruit set by shifting plant energy toward reproductive growth.

Stage 6

Yield, Quality & Stress Tolerance

Helps improve fruit quality, increase yield potential, and enhance plant tolerance to environmental stress.

The Science Behind It

Paclobutrazole 40% SC works by inhibiting gibberellin biosynthesis, reducing excessive vegetative growth and promoting compact, dense, and robust plant structure. This helps reduce plant height and internode length, improve root development, increase stress tolerance, and support better flowering, fruit set, yield, and quality.

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Why Choose Master 40

Key Benefits

Controls Excessive Growth

Reduces excessive vegetative growth, helping plants maintain a compact and manageable structure.

Reduces Plant Height

Helps reduce plant height and internode length for better crop management and plant architecture.

Improves Plant Density

Enhances plant structure and density, promoting compact, strong, and robust growth.

Improves Flowering & Fruit Set

Supports improved flowering and fruit set by redirecting plant energy toward reproductive development.

Improves Fruit Quality

Helps improve flower and fruit quality, supporting better marketable produce and crop value.

Increases Stress Tolerance

Enhances plant tolerance to environmental stresses and supports stable crop performance.

Product Resources

Downloads & Documentation

Access Master 40 product documents including safety information, certificate details, and complete product guidance.

MSDS

Material Safety Data Sheet with handling, storage, and safety information.

Download MSDS

COA

Certificate of Analysis with product composition and technical specification details.

Download COA

Product Brochure

Complete product information, benefits, dosage, crop suitability, and application guidance.

Download Brochure

Need additional documentation or have questions? Contact us for assistance.

Recommended Dosage

15–20 ml

in 15 Liter Water

Pro Tip

For best results, apply Master 40 as a foliar spray by mixing the recommended dose in water and spraying directly on plant leaves. It is specially useful for mango, pear, peaches, and ornamental crops where growth regulation, compact structure, flowering, and fruit quality improvement are required.

Application Guide

How to Use Master 40

1

Measure the Dose

Use 15 to 20 ml Master 40 in 15 liter water as recommended.

2

Prepare Spray Solution

Mix the concentrate properly in water to prepare a uniform spray solution.

3

Apply as Foliar Spray

Spray directly and uniformly onto plant leaves for effective growth regulation response.

4

Observe Growth Regulation

Master 40 helps reduce plant height, shorten internode length, improve plant density, and support flowering, fruit set, yield, and quality.

Ideal For:

Mango Pear Peaches Ornamentals Fruit Crops
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