Ethephon 2SL Plant Growth Regulator

Ethephon 2SL Plant Growth Regulator, manufactured by Quali-Pro, is designed to remove dwarf and leafy mistletoe from ornamental conifers and deciduous trees.

This systemic plant growth regulator releases ethylene gas, a naturally occurring plant hormone that influences various physiological processes in plants, including ripening, flowering, and growth regulation.

Ethephon 2SL Plant Growth Regulator helps manage turf and eliminate undesirable fruit on commercial apples, carbs, and other trees. 

Tools Needed

You will need a hose-end sprayer, handheld pump sprayer, backpack sprayer, or spray rig to use it. We recommend a handheld 1-gallon pump sprayer for residential homeowners or a 20-gallon hose-end sprayer.  

How to Use

• Step 1: Determine how much Ethephon 2SL you will need to apply by measuring the square footage of the treatment area. To do this, measure the length and width of the treatment area in feet and then multiply them together (length X width = square footage). For acreage, divide the square footage by one acre (square footage / 43,560 sq. ft. = acres). For residential and commercial turf applications, Ethephon 2SL should be mixed at a rate of 5 fl. oz. in 1 to 2 gallons of water to treat 1,000 sq. ft. So, for example, if you calculated a treatment area of 3,000 sq. ft., you would need to mix Etephon 2 SL at a rate of 15 fl. oz. in 3 to 6 gallons of water to cover the entire area.
• Step 2: Fill your sprayer halfway with water, then add the required amount of Etephon 2SL to the tank based on your calculations. Replace the cap and shake the sprayer to agitate. Add the remaining water required, then repeat agitation until the herbicide solution is thoroughly mixed.
• Step 3: Apply the solution to your turfgrass or any plant you wish to inhibit its growth. Use a fan spray nozzle to get an even coating of the treated plant.
• Step 4: Check back after 7 to 10 days and reapply if needed.

Where to Use

Ethephon 2SL is for use on ornamental conifers, ornamental deciduous trees, apple trees, crabapple trees, carob trees, olive trees, and specific turfgrasses that you wish to hinder the growth of for less frequent mowing.

When to Use

Use when trees bear unwanted fruit or if your turfgrass is growing faster than you'd like. It can also suppress seedheads of selected turf, such as poa and white clover.

Safety Information

Ethephon 2SL Plant Growth Regulator is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment when mixing and applying this product.

Special Considerations

Since Etephon 2SL is an emulsifiable concentrate, you may need to agitate the sprayer regularly to ensure the product is adequately mixed while spraying.