| Approved Plant Growth Regulator | Crop | Time of application / purpose | a.i. (ppm/gm/%) (Dosage per ha) | Formulation (ml/gm/L tr/kg/%) | Dilution In Water (Litres) / Preparation of solution | Waiting period / PHI between last applicatio n & harvest (days) |
| Ethephon 10% Paste | Rubber | For renewed bark 4 times bark swabbing. During March, August, September & November below the tapping panel after 4cm scrap of the bark /above the tapping panel/on the tapping cut after removing the lace. | 10% | 50 ml. formulation per tree directly used without dilution. | – | – |
| Ethephon 39 % SL | Rubber | Yielding rubber latex | 1000 ppm | 0 | 1500-2000 | 2.5 ml in 10 lit of water |
