Ethephon (Ethrel, Florel) - Herbicide Profile 9/88 EPA Pesticide Fact Sheet Name of Chemical: Ethephon Reason for Issuance: Registration Standard Date Issued: September 29, 1988 Fact Sheet Number: 176 1. Ethephon is found on List A, which contains most food use pesticides and consists of the 194 chemical cases (or 350 individual active ingredients) for which EPA issued registration standards prior to FIFRA, as amended in 1988.

Trade Name, Common Name, and Pesticide Class The following is a list of the common name, associated class and trade name of active ingredients in this publication. Ethrel ® Ethephon 39 SL (39% w/w) Ethrel is a versatile plant growth regulator which improves colouration and accelerates uniform ripening of fruits like pineapple, mango, tomato, etc. Ethephon releases ethylene, which penetrates plant cells and binds to receptors that affect expression of various genes. This list is provided as an aid in reviewing pesticide data. Distinct® herbicide offers postemergence, stand-alone control of the most significant broadleaf weeds, like waterhemp, Canada thistle and ALS-resistant weeds.

Ethephon often used on wheat, coffee, tobacco, cotton, and rice in order to help the plant's fruit reach ripeness more quickly. It can be deployed in specific uses like defoliation in pomegranate and breaking alternate bearing in mango.

The classes are herbicides (H), insecticides (I), fungicides (F), and other chemicals (O).

IDENTIFICATION OF THE MATERIAL AND SUPPLIER Product name Ethrel® Growth Regulator Other names None Product codes and pack sizes 4207164 (5 L), 4207172 (20 L) Chemical group Ethylene generator Recommended use Plant growth regulator for agricultural use - for thinning, loosening or ripening in various It promotes ripening in tomatoes, reduces curing time and promotes colour development in flue-cured tobacco, accelerates fruit maturity in apples and blueberries and loosens mature fruit from the stem in cherries for easier harvesting. The chemical protects crops on the farm and controls weeds and invasive plants at home and in forests.

Ethephon, sold under the trade name Ethrel, is a standard management practice in tart and sweet cherry harvest. Ethephon releases ethylene, which penetrates plant cells and binds to receptors that affect expression of various genes. In cherry systems, ethephon is used to promote fruit loosening to assist with mechanical harvest of fruit. Ethrel is a growth regulator used in major horticultural crops and cereals. : 16672-87-0 Chemical family: ethylene generator Chemical formula: C 2 H 6 ClO 3 P Molecular weight: 144.5 Use: A soluble concentrate plant growth regulant with systemic properties, penetrates into plant tissues, decompose to ethylene, which 2,4-D is dichlorophenoxyacetic acid, which acts as a selective herbicide. Ethrel Growth Regulator Page 1 of 6 1.

It promotes ripening in tomatoes, reduces curing time and promotes colour development in flue-cured tobacco, accelerates fruit maturity in apples and blueberries and loosens mature fruit from the stem in … Trade names for products containing ethephon include Arvest, Bromeflor, Etheverse, Flordimex, Flordimex T-Extra, Cerone, Etherel, Chipco Florel Pro and Prep (4, 10). One of the most popular plant and tree killing chemicals, gardeners and professionals use 2,4-D to eliminate everything from broadleaf weeds to aquatic plants to trees. Ethephon, sold under the trade name Ethrel, is a standard management practice in tart and sweet cherry harvest. Health studies have shown that chemical exposure may cause potential human health risks which may vary from person to person. Cotton is the most important single crop use for ethephon.