Bayer Ethrel 1LTR

Bayer Ethrel – Ethephon 39% SL Plant Growth Regulator for Uniform Ripening & Improved Colouration

Bayer Ethrel is a highly effective plant growth regulator containing Ethephon 39% SL. Widely used in crops like mango, pineapple, tomato, coffee, pomegranate, and rubber, it enhances fruit coloration, promotes uniform ripening, induces flowering, and supports crop management practices such as defoliation and breaking alternate bearing.

Technical Information

Technical Name Ethephon 39% SL

Formulation Soluble Liquid (SL)

Category Plant Growth Regulator (PGR)

Mode of Action Ethrel penetrates into plant tissues and decomposes to release ethylene gas, which regulates physiological processes including ripening, flowering, and defoliation.

Dosage 15 ml per 15 L pump or 150 ml per acre (as per crop requirement)

Key Advantages

Improves fruit colouration and accelerates uniform ripening.

Breaks alternate bearing tendency in mango and induces profuse flowering.

Helps in defoliation of pomegranate for synchronized growth.

Post-harvest dip treatment ensures even ripening in tomato and mango.

Used in pineapple for flower induction at the right growth stage.

Improves berry ripening in coffee for uniform harvesting.

Promotes latex flow in rubber tapping when applied on bark cuts.

Crop-Wise Recommendations

Crop Application Purpose Method

Mango Breaking alternate bearing & flower induction 5 sprays at 1–2 week intervals starting mid-October to November

Mango (Post-harvest) Uniform fruit ripening Dip mature fruits once in prepared solution

Pineapple Flower induction Spray at 30–37 leaf stage (10–12 months crop age), one spray

Coffee (Arabica & Robusta) Uniform ripening of berries Spray once at fly-picking stage when 10–15% berries are ripened

Tomato Uniform ripening Dip fruits post-harvest once in solution

Pomegranate Defoliation Spray for leaf fall management before next crop cycle

Rubber Latex flow enhancement Brush solution on tapping cut of bark (March, Aug, Sept, Nov)

Disclaimer

The above details are for reference purposes only. Always follow the official label and product leaflet for correct dosage, timing, and safety instructions.