Versatile Ethephon 40% as Plant Growth Regulator for Cotton Boll Opening and Pineapple Flower Induction

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Basic Information

Model NO.Ethephon/Ethylene 40% AS

EINECS240-718-3

KindGrowth Retardant

ShapeColorless Liquid

Active IngredientEthephon/Ethylene 40% (W/V)

ClassificationSynthetic Growth-Regulating Compound

SolubilityWater, Ethanol Soluble

HS Code3808939190

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Product Description

Unlock Faster Ripening & Higher Yields

Ethephon 40% AS is a highly effective, systemic plant growth regulator designed to accelerate fruit ripening, enhance crop uniformity, and optimize harvest timing.

As a proven ethylene-releasing agent, this versatile agrochemical penetrates plant tissues and converts into ethylene—a natural hormone that regulates key growth processes.

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Technical Specification

Active Ingredient	Ethephon/Ethylene 40% (w/v)
CAS Number	16672-87-0
Chemical Name	2-Chloroethylphosphonic acid
Molecular Formula	C2H6ClO3P
Appearance	Colorless liquid
Density	1.28-1.30 g/cm³ (20°C)
Shelf Life	2 years (original packaging)
Main Use	Promote pre-harvest ripening, induce flowering, stimulate latex

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Key Features

Fast-Acting Ethylene Release

Rapidly penetrates plant tissues and decomposes into ethylene, triggering natural ripening and abscission.

Broad-Spectrum Compatibility

Effectively works on fruits, vegetables, cereals, cotton, and ornamentals for diverse farming operations.

Excellent Solubility

Freely soluble in water and ethanol, allowing seamless integration into existing spray programs.

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Application Scenarios

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Frequently Asked Questions

What is the main function of Ethephon 40%?

Ethephon 40% is a plant growth regulator that releases ethylene inside the plant. It is primarily used to uniformly ripen fruits (like pineapples, tomatoes, coffee), promote fruit abscission for easier harvesting, and control plant height.

Is this product effective in variable climates?

Yes. Ethephon's activity is influenced by temperature and plant metabolism. We provide specific application timing and dosage recommendations tailored to local climate patterns to ensure reliable results.

Can it be used on cotton, coffee, or cereals?

Absolutely. It is highly effective for cotton (boll opening), coffee (uniform ripening), cereals (preventing lodging), and sugarcane (sucrose accumulation).

How fast does it work and what is the PHI?

Effects typically become visible within 4-7 days. The Pre-Harvest Interval (PHI) varies by crop but is often between 7-14 days.

Is it safe to mix with other sprays?

It can be mixed with many contact pesticides and fungicides. However, it is NOT compatible with strong alkaline substances like Bordeaux mixture. Always conduct a jar test first.

What application advice is offered for local conditions?

We provide expert agronomic support tailored to regional crops, growth stages, and climate challenges. Please consult our technical guidelines for specific dosage and timing.