Technical Name: Ethephon 39 SL
Ethrel is a versatile plant growth regulator that improves coloration and accelerates the uniform ripening of fruits like pineapple, mango, tomato, etc. It can be deployed in specific uses like defoliation in pomegranate and breaking alternate bearing in mango.
MODE OF ACTION :
Ethrel is a plant growth regulator with systemic properties. It penetrates into the plant tissues and is translocated and progressively decomposed to ethylene, which positively affects the growth process.
Dosage: 15 ml/ 15 ltr pump or 150 ml/acre
ADVANTAGES :
Improves coloration and accelerates the uniform ripening of fruits like pineapple, mango tomato.
Helps in breaking the alternate bearing of mango and induces profuse flowering.
CROPS AND TARGET PESTS :
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