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Supplier Homepage > Products > Natural Plant Growth Hormones Gibberellins Gibberellic Acid GA4+7 for Apple
Natural Plant Growth Hormones Gibberellins Gibberellic Acid GA4+7 for Apple
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product: view count: 368Natural Plant Growth Hormones Gibberellins Gibberellic Acid GA4+7 for Apple 
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period for delivery: Consignment Deadline days
Expiry date: Long Effective
last update: 2018-05-10 23:00
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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: C19H24O 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 

Items

Standard

Gibberilic acid (GA4+7) content

 ≥90%

GA4:GA7

 65:35

Loss on drying

≤1.0%

PH Values

4.0-6.0

Insoluble solid

≤0.5%

Appearance

White powder

 

Package: 1kg/bag, 25kg/drum

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


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