Hot sale high quality Plant hormone GA3 gibberellic acid
GA4+7 tech grade 90%
Plant Growth Regulator/Agrochemical
Physical and Chemical Properties
Appearance: white to pale yellow crystal powder
Proportion of GA4:GA7: 65:35
Melting point is between 198-202°C
Loss on drying: 1.0%max
Insoluble residue: 0.5%max
Soluble in methanol, ethanol, toluene, dimethyl formamide and dilute alkaline solution, insoluble in water.
Use as plant growth regulator on apple and pear, can improve the shape, prevent the russetting, improve the fruit setting, and anticipated the shoot sprouting. Don not apply when the temperature is below 7°C or above 32°C. Application rate up to 20g/ha per application
Specially design for plant growth regulator on apple and pear trees, stimulate bud opening and anticipated shoot sprouting, improve branch angulation.