Bayer Ethrel® Plant Growth Regulator: A Complete Guide for Farmers

Introduction of Bayer Ethrel® Plant Growth Regulator
Plant growth management plays an important role in commercial agriculture, especially for enhancing fruit maturity, uniform ripening, flowering, and reducing vegetative growth. One such trusted and widely used plant growth regulator (PGR) is Bayer Ethrel®, formulated for multiple crop applications. Farmers, horticulturists, and fruit growers rely on Ethrel for controlled growth, induced flowering, timely maturity, and quality produce.
Table of Contents
What is Bayer Ethrel® Plant Growth Regulator?
Bayer Ethrel® is a widely used plant growth regulator that releases ethylene, a natural plant hormone. Ethylene plays a major role in regulating growth, flowering, ripening, senescence, and other physiological activities in plants. Ethrel helps in uniform ripening, flower initiation, breaking dormancy, and reducing vegetative growth.
Bayer Ethrel Technical Name
| Product Name | Technical Name (Active Ingredient) |
| Bayer Ethrel® PGR | Ethephon |
Bayer Ethrel Content / Composition
| Ingredient | Concentration |
| Ethephon | 39% SL (Soluble Liquid) |
Ethrel breaks down in the plant tissues, releasing ethylene gas, which triggers various beneficial responses like fruit ripening, flower induction, and size regulation.
Also Read: Maximising Crop Yield and Profitability with Bayer Planofix PGR.
Bayer Ethrel Dose (General Recommendations)
| Type | Recommended Dose |
| Bayer Ethrel Dose per Litre of Water | 1–2 ml per litre (Depending on crop) |
| Bayer Ethrel Dose per Acre | 200–300 ml per acre (Based on crop, stage & target use) |
Crop-wise Uses & Benefits of Bayer Ethrel® PGR
1. Ethrel for Banana
- Promotes uniform ripening
- Improves fruit colour and shelf life
Dose:
4–5 ml per litre of water (spray on mature green bananas)
2. Ethrel for Apple Fruit Size Reduction
- Used to reduce excess fruit size
- Helps maintain fruit firmness and better market quality
Dose:
1 ml per litre
3. Ethrel for Mango Flowering
- Helps induce flowering naturally
- Reduces vegetative growth and promotes fruit set
Dose:
1–2 ml per litre
4. Ethrel for Pineapple Ripening
- Provides uniform colour development
- Useful for synchronized harvest
Dose:
1–2 ml per litre
5. Ethrel for Tomato Ripening
- Used to speed up ripening during peak demand
- Improves colour and reduces uneven ripening
Dose:
2 ml per litre
6. Ethrel for Coconut (Flower Stimulation)
- Stimulates early flowering and nut formation
Dose:
5–10 ml per litre (Applied at the crown area)
7. Ethrel for Onion Bulb Enlargement
- Promotes uniform bulb size
- Increases yield & quality
Dose:
1–2 ml per litre
8. Ethrel for Wheat Height Control (Lodging Reduction)
- Regulates plant height
- Reduces lodging in high nitrogen fields
Dose:
200–250 ml per acre
Also Read: Bayer Egnitus® Plant Growth Regulator: Boosting Crop Growth, Yield & Performance
Major Benefits of Bayer Ethrel® Plant Growth Regulator

| Benefit | How it Helps |
| Uniform Ripening | Ensures same shade, size, colour of fruits |
| Improves Market Value | Enhances appearance, colour, and shelf life |
| Flower Induction | Helps crops initiate flowering earlier & uniformly |
| Size Control in Fruits | Maintains ideal commercial size (apple, guava etc.) |
| Reduces Vegetative Growth | Directs energy toward fruit development |
| Breaks Dormancy | Stimulates growth in dormant buds |
| Synchronised Harvest | Helps farmers harvest entire crop together |
Safety & Precautions While Using Ethrel
Use only on mature fruits or recommended crops
Do not spray during high wind or rain
Prepare solution freshly — do not store mix
Wear gloves and safety glasses while handling
Maintain water pH preferably below 6.5
Avoid excessive use to prevent over-ripening
Also Read: Super Sonata- Herbal Extract Seaweed Plant Growth Regulator.
Final Opinion
Bayer Ethrel® Plant Growth Regulator is a powerful tool for Indian farmers looking to improve crop quality, market appeal, and uniform harvesting. Its active ingredient — Ethephon — acts naturally by releasing ethylene, making it safe, efficient, and suitable for multiple fruit and crop varieties.
With correct use and proper dosing, Ethrel helps enhance profits through better ripening, flowering control, and improved crop uniformity. Whether you are a fruit grower, vegetable farmer, or horticulture producer, Bayer Ethrel® is a reliable growth management solution for modern agriculture.
Also Read: About Ethrel® Plant Growth Regulator on the BAYER Site







