| 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) |
| Gibberellic Acid 40% WSG | Grape | Pre Bloom- Elongation Fruit Setting Thinning 6-7mm berry size-enlargement | 40 | 50 | 500 | – |
| Gibberellic Acid Technical (90% w/w) | Grape (Seedless) | Two blanket spray at Ist full bloom & 2nd at post bloom stage. | 15-60ppm | – | – | – |
| Gibberellic Acid Technical (90% w/w) | Grape fruit | a) At full bloom (for fruit set )- single spray b) Ist week of May (For June fruit drop) –single spray c) Ist week of October (For pre- harvest drop)-single spray | 500-1000 ppm | – | – | – |
| Alpha Naphthyl Acetic Acid 4.5% SL (Na salt) | Grapes | (a)To increase size & weight of berries. – Ist sprays at pruning time. – 2nd spray when flowering shoot appear (b)To control berry drop (spray on matured grape bunches) 10- 15 days before harvesting. | 10 ppm 100 ppm | – – | 2 ml in 49 ltrs. 20 ml. in 49 ltrs. | – – |
| Forchlorfenuron 0.1% L (w/v) | Grapes | Two dipping applications. 1st When size of berry is 3-4 mm diameter and 2nd When size of berry is 6-7 mm diameter, | 2ppm. | 1 ltrs. | 500 | 60 days |
| Forchlorfenuron 0.12% EC w/w | Grapes | To enhance the fruit size in seedless grapes single directed spray on berries at 4-6 mm berry size | 3 ppm | 1.5 liter | 500 liter/ha. | 20 |
| Gibberellic Acid Technical (90% w/w) | Grapes | Two directed spray Ist at full bloom & 2nd at fruit set stages. | 100ppm. | – | – | – |
| Gibberellic Acid 0.001%L | Grapes | a) First spray 30-35 days after pruning b) Second during the match head stage | 0.018gm | 180 ml. | 450-500 | – |
| Hydrogen Cynamide 50% SL (Import) | Grapes | For breaking bud dormancy Single application as spray Just after pruning , | 1-1.5% | 2-3% | 375-500 | 90-120 days |
| Hydrogen Cynamide 50% SL (Indigenous manufacture) | Grapes | For breaking dormancy of fruiting buds Just after pruning, single application by swabbing. | 1.5% | 1.5 ltrs. | Mix with 200-300 ml. of product in 10 litres of water. | 120 days |
| Hydrogen Cyanamide 49% AS ( Import ) | Grapes | For breaking bud dormancy One directed spray, just after pruning. | 1.0-1.5% | 2-3% | 50 ltrs. | 110 days |
| Chlormequat Chloride 50% SL | Grapes 1st spray: | 3-5 leaf stage after April pruning 5-7 leaf stage after April Pruning | 500 g a.i./ha | 1000ml | – | – |
| Chlormequat Chloride 50% SL | Grapes 2nd Spray: | 3-5 leaf stage after October Pruning | 1000 grm a.i./ha | 2000 ml | 1000L | 91 |
| Chlormequat Chloride 50% SL | Grapes 3rd Spray: | 3-5 leaf stage after October Pruning | 250 grm a.i./ha | 500ml | 1000L | 91 |
