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Plant growth regulator with Auxin activity rooting hormones 1-naphthaleneacetic acid sodium salt NAA-Na

NAA-Na, sodium salt of 1-naphthaleneacetic acid, it is auxin-like plant growth regulators which used to improve rooting and fruit expanding.

CAS NO.: 61-31-4

Chemical Name: Sodium naphthalene-1-acetate;

Sodium, α-naphthaleneacetate;

1-naphthaleneacetic acid sodium salt

Physical and chemical properties

Molecular formula: C12H9O2Na

Molecular Weight: 186.21

Description: Pure white crystal, can dissolve in water easily,can also dissolve in polarity organic solvent such as ethanol, methanol and acetone etc. It’s stable in room temperature. Have naphthalen smell.

Application

Plant growth regulator with auxin like activity. It can be absorbed via root, stem or leaf It is widely used in agriculture, forestry, vegetable, flower, fruit etc. It can induce formation of adventitious root, improve cutting culture, promote fruit set, and prevent prematurity of fruit.

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1. Single use: NAA-Na can be used to promote growth,rooting when it is made into the formulation aqueous solution, emulsifiable concentrate, dust powder etc.

2. NAA-Na compounded with auxin is a kind of rooting powder, which is the main formula of rooting in Chinese market.

3. Compounded with fungicides which can control disease and other fungal diseases

4. Compounded with fungicides to increase utilization rate, promote rooting and prevent flower and fruit drop.

The Usage and Dosage of NAA-Na Used on Different Crops
Crops	Dosage (mg/L)	Method of use	Effects
wheat	5-10	Seed soaking 12-24h,spraying once respectively in tillering stage and beforejointing stage	Improve rooting and stress resistance,promote tillering and dry-hot wind resistance.increase yield.
paddy	4-8	Seed soaking 6-12h; spraying once every week after flowering.	Improve producing adventitious root and bud germination. Lodging resistance,increase yield.
paddy	0.1-0.5	Spraying in rice field	Improve growth.
Corn	5-15	Seed soaking 12-24h; spraying 1-2 times in growth stage.	Improve growth and obvious effect of yield increasing.
Radish, Chinese cabbage	5-10	Seed soaking 12-24h.	Improve growth, increase yield.
Tomato	10-25	Flower soaking in full-bloom stage	Promote bearing fruit.
Pepper	3-5	Spraying whole plant evenly when florescence	Prevent flower drop, promote pepper bearing.
Cucumber	2-3	Spraying whole plant 1-2 times in growth stage	Increase female flower density, improve regulation and growth.
Beans	5-20	Seed soaking 0.5-1h; spraying 2-3 times in growth stage	Promote growth and ripening, increase yield.
Cherry	1-3	Spraying once respectively 20 days,10 days before picking , carpopodium and current shoot are key point.	Prevent fruit drop.
Apple, pear	15-30	Spraying in florescence	Flower and fruit thining.
	1.5-3	Spraying in young fruit stage.	Improve fruit expanding.
	50-100	Smearing preparation	Promote vulnus healing.
	2-5	Spraying 2-3 weeks before picking	Prevent fruit drop.
Jujube tree	0.8-1.5	Spraying once in young fruit stage.	Improve fruit expanding.
Jujube tree	5-20	Spraying whole plant evenly 30-40 days before harvest.	Prevent fruit drop.
Honeysuckle	50-75	Cuttage and soaking base for 10 min	Improve rooting.
Mushroom	4-8	Medium	Promote the growth of hypha, increase yield obviously.
Tree transplanting	25-100	Dip root and transplant	Improve rooting; increase survival rate