Plant Growth Regulator – Coffee

Approved Plant Growth RegulatorCropTime of application / purposea.i. (ppm/gm/%) (Dosage per ha)Formulation (ml/gm/L tr/kg/%)Dilution In Water (Litres) / Preparation of solutionWaiting period / PHI
between last applicatio n             &
harvest (days)
Ethephon 39 % SLCoffee (Arabica)For uniform ripening of berries, One spray at fly pricking stage, when 10-15% berries are
ripened.
192 ppm738-9851500-20005 ml in 10 lit of water
Ethephon 39 % SLCoffee (Robusta)For uniform ripening of berries, one spray at fly pricking stage, when 10-15% berries are ripened.96 ppm215-2871500-20002.5 ml in 10 lit of water