About Ethrel Plant Growth Regulator
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Ethrel is a growth regulator offered by Bayer.
- It is one such unique plant growth regulator. It contains ethephon, which is a versatile product that has different functions in different crops.
- It promotes uniform ripening in crops like coffee, mango, and tomato, flower induction in pineapple, and defoliation in pomegranate, contributing to a successful harvest.
Ethrel Composition & Technical Details
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Technical Name: Ethephon 39 SL (39% w/w)
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Mode of Entry: Systemic
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Mode of Action: It penetrates the plant tissues, undergoes translocation, and slowly decomposes into ethylene. This ethylene production positively influences the growth process, contributing to improved fruit quality, ripening, and overall plant development.
Key Features & Benefits
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Ethrel Bayer improves coloration and accelerates uniform ripening of fruits like pineapple, mango, tomato.
- Ethephon helps in breaking alternate bearing of mango and induces profuse flowering.
Ethrel Usage & Crops
Recommendation of usage
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Crops
|
Purpose
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Dosage / Acre
|
|
Formulation (ml)
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Dilution in water (L/Acre)
|
|
Mango
|
For breaking alternate bearing tendencies
|
308 - 410
|
600 - 800
|
|
For flower induction in juvenile mango
|
1538.4 - 2051.2
|
600 - 800
|
|
Post harvest treatment
|
769.2 - 1025.6
|
600 - 800
|
|
Pineapple
|
Induction of flower
|
154 – 205.2
|
600 - 800
|
|
Coffee (Arabica)
|
Uniform ripening
|
295.2 - 394
|
600 - 800
|
|
Coffee (Robusta)
|
Uniform ripening
|
86 – 114.8
|
600 - 800
|
|
Tomato
|
Post harvest treatment
|
65 ml /10L of water
|
|
|
Rubber
|
Yeilding rubber latex
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26 ml/10 L of water
|
|
|
Pomegranate
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Defoliation for better flowering and fruiting
|
400 - 500
|
200
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Method & Stage of Application: Foliar Spray
- Mango (For breaking alternate bearing tendencies): First spray in mid-October or early November total of 5 sprays at fortnightly intervals
- Mango (For flower induction): Commencing from early November total of 5 sprays at weekly intervals
- Mango (Post-harvest treatment): Dip mature fruits in the solution for uniform ripening. One treatment is required
- Pineapple (For flower induction): 30-37 leaf stage or 10-12 months. One spray is required
- Coffee (Arabica & Robusta): For uniform ripening of berries, one spray at fly picking stage when 10-15% of berries have ripened
- Tomato (post-harvest treatment): Post-harvest treatment can be done by dipping once
- Rubber: March, August, September, November (four applications) brushing once in two months on the tapping cut of the bark.
- Pomegranate: One spray around 1 month before mrig bahar (June-July), hast bahar (Oct-Nov), or Ambe bahar (Dec-Jan).
- Grapes: One spray around 15-20 days before pruning.
Additional Information
Do not use Ethrel on crops other than those specified in the above table.
Disclaimer: This information is provided for reference purposes only. Always follow the recommended application guidelines outlined on the product label and accompanying leaflet.
