Metricor DF Herbicide, manufactured by United Phosphorous, is a foundational pre-emergent and post-emergent product that provides powerful broad-spectrum weed control in various crops and established bermudagrass. 

As a water-dispersible granule formulation it easily mixes with water to treat broadleaf and grassy weeds such as bluegrass (poa annua), pigweed, and fleabane within 3-28 days. 

Metricor DF Herbicide provides a wide range of control over the toughest of weeds by utilizing the active ingredient metribuzin 75.0%. With this product it makes weed management in field corn, soybeans, established bermudagrass, and more relatively simple. 

Tools Needed

To apply Metricor DF Herbicide, you will need to use a spray rig or chemigation equipment. 

How to Use

• Step 1: Determine how much Metricor DF Herbicide to use by measuring the square footage of the treatment area. To do this, measure the length and width of the treatment area in feet then multiply them together (length X width = square footage). For acreage, take the square footage and divide it by one acre (square footage / 43,560 sq. ft. = acres). For broadcast applications to alfalfa and sainfoin use 1/3 to 1 1/3 lb. of Metricor DF Herbicide in 10 of water per acre. For use on mixed stands of alfalfa and grasses, apply 2/3 to 1 lb. of product in 10 gallons of water per acre. For preplant incorporated applications to transplant tomatoes, use 1/3 to 2/3 lb. of product in 10 to 40 gallons of water per acre. For post-emergent weed control as a broadcast spray in tomatoes, use 1/3 to 2/3 lb. of product in 20 gallons of water per acre. For direct sprays on emerged weeds in tomatoes, use 2/3 to 1 1/3 lb. of product in 20 gallons of water per acre. For applications on established or actively growing bermudagrass, apply 2/3 lb. of product in 40 gallons of water per acre. 
• Step 2: First fill the spray tank 1/4 to 1/3 full with clean water, then add the proper amount of Metricor DF Herbicide. Mix thoroughly and add the remaining half of water to fill the spray tank. Agitation is necessary during mixing and spraying operations to ensure a uniform spray mixture. 
• Step 3: Ensure that the sprayer is accurately calibrated before applying Metricor DF Herbicide mixture. Thoroughly spray the top and bottom of weeds until wet, but not to the point of runoff. Avoid spray skips and gaps which allow weeds to grow in untreated soil. Be sure to also avoid spray overlaps. 

Where to Use

Metricor DF Herbicide can be used on certain grasses and broadleaf weeds in alfalfa and sainfoin, asparagus, carrots, field corn, garbanzo beans, lentils and peas, potatoes, soybeans, spring and winter barley and winter wheat, sugarcane, sweet corn, and tomatoes. It may also be used on established bermudagrass turf. 

Do not use on other crops grown for food or forage.

Not for use in commercial greenhouses, nurseries, on sod farms, or on grass grown for seed.

When to Use

Use Metricor DF Herbicide when weeds are present or prior to their emergence in listed areas on days when rainfall is expected to occur at least 24 hours after application. If no rainfall is present you irrigate treated areas yourself or avoid doing so when rainfall is expected at least 30 days after application. 

Do not rotate any crop not listed on this label for 18 months following application of this product. 

Do not apply to dormant turf in the transitional bermudagrass growing zones which are or can be expected to be adversely affected by cold weather stress. 

Safety Information 

Metricor DF Herbicide is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and applying this product. 

Do not enter or allow others to enter treated area until sprays have dried. 

Special Considerations

Do not apply more than twice per season to actively growing bermudagrass turf. Applications may result in temporary discoloration, which turf soon outgrows.