Complaint
| Product Description | |
| Product name | White powder Hormone GA3 |
| Specs | 90%TC, 40% SP, 40%WP, 20% SP, 20%TB, 10%TB, 5%EC |
| Storage | Keep in cool and dry place, sealed container. |
| Package | 1kg/bag, 25kg/drum (90%TC, 40% WP, 20% SP) 5g/tablet (20%TB) 10g/tablet (10% TB) 200L/drum (5%EC) |
| Chemical name | Gibberellic acid; GA3; Gibberellins activol; Berelex; Pro-GibblCl |
| CAS No. | 77-06-5 |
| Classification | Plant Growth Regualtor / Agrochemical |
| EINECS | 201-001-0 |
| Physical and chemical properties | Appearance: White powder Molecular Formula: C19H22O6 Molecular Weight: 346.38 Melting Point: 227°C Water soluble products are more economical. The product is more convenient and efficient to use. |
| Chemical structural formula | |
| Toxicity | Low toxicity, safe to humans and animals after usage. No phytotoxicity at standard application rates Avoid eye contact at all time, Avoid ingestion or inhalation. Mild irritant to skin. Always wash with large volumes of water in case of contact. |
| Crops | Application dosage | Effects |
| Cucumber | 50-100mg/L, spray on flowers | Improve fruit setting; produce bigger fruits |
| Eggplant | 10-50mg/L, spray on flowers | |
| Tomato | 10-50mg/L, spray on flowers | |
| Cotton | 20mg/L, foliar spray | |
| Grape | 20-50mg/L, spray on fruit cluster | |
| Citrus | 20-40mg/L, spray on flowers | |
| Pine apple | 40-80mg/L, spray on flowers | |
| Rice | 30-40mg/L, foliar spray at stem elongation stage | Improve vegetative growth |
| Celery | 50-100mg/L, spray whole plant at 15d before harvest 2 times with 3-5d interval | |
| Spinach | 10-30mg/L, foliar spray at 20d before harvest 2 times with 3-5d interval | |
| Lettuce | 20mg/L, foliar spray at 14-leaf stage 2 times with 3-5d interval | |
| Potato | 0.5-1mg/L, tuber treatment for 30min | Improve seed germination; break dormancy |
| Barley | 1mg/L, seed treatment | |
| Pulse | 50mg/L, seed treatment | |
| Cucumber/water melon | 10-50mg/L, spray on fruits before harvest | Prolong fruit storage; delay fruit senescence |
| Orange | 5-20mg/L, spray on fruits before fruit coloring | |
| Banana | 10mg/L, fruit treatment after harvest | |
| Cherry | 10mg/L, spray on fruits at 20d before harvest |
| Notice |
·Do not combine with alkaline sprays (lime sulfur). ·Use GA3 at a correct concentration, otherwise it may cause a negative effect on crops. ·GA3 solution should be prepared and used when it is fresh. ·It is better to spray GA3 solution before 10:00am or after 3:00pm. Re-spray if rain pours within 4 hours. |
