Ethephon Paste

Product:Ethephon Paste
Chemical Name: 2-Chloroethylphosphonic acid
CAS Number: 16672-87-0
Common Concentration Specifications: 5%, 12.5% (refer to the actual product label for 10% formulations)

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Detail

Ethephon paste is used on rubber trees primarily to stimulate increased production. By releasing ethylene, it promotes latex flow in rubber trees, thereby boosting latex yield. Compared to traditional liquid formulations, the paste offers superior adhesion and resistance to rain washout; its longer-lasting effect reduces the frequency of application.

Formulation Characteristics: As a paste, it features strong adhesion and resistance to rain washout. The active ingredient is released relatively slowly, making it well-suited for topical application. Available concentrations: 5%, 12.5%, and 10% paste. Mechanism of Action: Once absorbed by the plant, ethephon decomposes in the cellular fluid (where pH > 4) to release ethylene. This acts as an endogenous hormone, stimulating the rubber tree to increase latex flow and yield.

Functions

Functions and Uses
In China, registered ethephon pastes are officially designated for increasing rubber tree yields. They are applied to the tapping cut or the tapping panel to stimulate latex flow. The paste form allows for precise application, minimizes waste due to drift, offers resistance to rain washout, and provides a longer duration of effectiveness.

Instructions for Use

5% Ethephon Paste
· Recommended Dosage: 0.8–1.6 grams per tree (may vary slightly by registrant; some specify 1.2–1.6 grams per tree).
· Application Method: Apply directly to the tapping cut of the rubber tree. Do not dilute with water or mix with other substances.
· Target Trees: Suitable for rubber trees that have completed leaf flushing, are over 12 years old, or are in their middle tapping years. It should not be used—or should be used with great caution—on aging, weak, or young rubber trees.
· Post-Application Management: Wait at least 48 hours after application before tapping the trees. 12.5% Ethephon paste: Refer to the product label for specific dosage.
10% Ethephon paste: 0.6–0.9 g/tree (applied to the tapping cut); note that this figure is derived from an overseas registration system.

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Packaging

Main Packing: 1kg aluminum foil bag, 25kg drum, 25kg plastic woven bag or kraft paper bag, 5kg carton, 20L white plastic drum, 200L blue plastic drum