Product Details

Natural Plant Growth hormones Gibberellins Gibberellic acid GA4+7 for apple

Gibberellins Gibberellic acid 4+7 is a mixture of Gibberellic Acid (GA4) and Gibberellic Acid (GA7). Used as plant growth regulator on apple and pear, can improve the shape, prevent the resetting, improve the fruit setting, and anticipated the shoot sprouting.

CAS NO.: 999-81-5

Physical and chemical properties

Molecular Formula: GA4: C₁₉H₂₄O₅  GA7: C₁₉H₂₂O₅

Molecular Weight: GA4: 332.39 GA7: 330.37

Proportion of GA4:GA7: 65:35

Appearance: white crystal powder

Melting point is between 198-202°C

Odor: Odorless

Application

√ For apple, used to reduce russetting in apples, The roles are fruit thinning, changing fruit shape

and size, increasing weight of single fruit, thickening skin and prolonging the storage period.

√ Increase the fruit set in pears, and increase the germination and yield of celery.

√ Application rate 20g/ha 

Note: Do not apply when the temperature is below 7°C or above 32°C.

Specs: Gibberellic Acid (GA4+7) 90% Tech 

Package: 1kg/bag, 25kg/drum

Customized formulation Gibberilic acid (GA4+7) 1.9%+6-BA 1.9% available

http://www.plantgrowthhormones.com/